Castillo-Sánchez, J.-R., Salloum-Abou-Jaoude, G., Gheribi, A. E., Lafaye, P., Oishi, K., Masse, J.-P., Bousser, É., L'Espérance, G., & Harvey, J.-P. (2024). Synthesis and characterization of (Al,Si)₃(Zr,Ti)-D0₂₂/D0₂₃ intermetallics: Understanding the stability of silicon substitution. Acta Materialia, 262, 119455 (18 pages).
Directory of Experts
L'Espérance, Gilles

Directory of Experts
L'Espérance, Gilles
Directory of Experts
Publications by type
Journal article (93)
Conference paper (45)
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Gilles L'Espérance (147)
- Journal articles (93)
- 2024
Journal article
- 2021
Journal article Debia, M., Carpentier, M., & L'Espérance, G. (2021). Characterization of Occupational Exposures to Engineered Nanoparticles During the Finishing Process of a Hardwood Floor Manufacturing Plant. Annals of Work Exposures and Health, 65(7), 868-873.Journal article Sioui-Latulippe, O., Beaulieu, P., Boisvert, M., Masse, J.-P., Christopherson, D., & L'Espérance, G. (2021). The Characterization of a Gas-Atomized Ferritic Steel Powder Pre-alloyed with 6 Wt Pct Aluminum. Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, 52(7), 3051-3063.
- 2020
Journal article Da Silveira Fleck, A., Catto, C., L'Espérance, G., Masse, J.-P., Roberge, B., & Debia, M. (2020). Characterization and Quantification of Ultrafine Particles and Carbonaceous Components from Occupational Exposures to Diesel Particulate Matter in Selected Workplaces. Annals of Work Exposures and Health, 64(5), 490-502.Journal article Brunner, P.-L. M., Masse, J.-P., L'Espérance, G., & Wuest, J. D. (2020). Imaging layers in thin-film molecular devices by transmission electron microscopy, using milling by focused ion beams and deposition on NaCl and Si. Canadian Journal of Chemistry, 98(9), 582-588.
- 2019
Journal article Ilia, E., Plamondon, P., Masse, J.-P., & L'Espérance, G. (2019). Copper precipitation at engine operating temperatures in powder-forged connecting rods manufactured with Fe–Cu–C alloys. Materials Science & Engineering A, 767, 138383 (9 pages).Journal article Nath, S. D., Clinning, E., Gupta, G., Wuelfrath-Poirier, V., L'Espérance, G., Gulsoy, O., Kearns, M., & Atre, S. V. (2019). Effects of Nb and Mo on the microstructure and properties of 420 stainless steel processed by laser-powder bed fusion. Additive Manufacturing, 28, 682-691.Journal article Xu, C., Quinn, B., Laberge Lebel, L., Therriault, D., & L'Espérance, G. (2019). Multi-material direct ink writing (DIW) for complex 3D metallic structures with removable supports. ACS Applied Materials & Interfaces, 11(8), 8499-8506.
- 2018
Journal article Xu, C., Wu, Q., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2018). Environment-friendly and reusable ink for 3D printing of metallic structures. Materials & Design, 160, 262-269.
- 2017
Journal article Martin, J., Beauparlant, M., Sauvé, S., & L'Espérance, G. (2017). Effect of accelerating voltage on beam damage of asbestos fibers in the transmission electron microscope (TEM). Micron, 96, 1-8.Journal article Kouassi, S., Catto, C., Ostiguy, C., L'Espérance, G., Kroeger, J., & Debia, M. (2017). Exposure Assessment in a Single-Walled Carbon Nanotube Primary Manufacturer. Annals of Work Exposures and Health, 61(2), 260-266.Journal article Xu, C., Bouchemit, A., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2017). Solvent-cast based metal 3D printing and secondary metallic infiltration. Journal of Materials Chemistry C, 5(40), 10448-10455.Journal article Boisvert, M., Christopherson, D., Beaulieu, P., & L'Espérance, G. (2017). Treatment of ferrous melts for the improvement of the sphericity of water atomized powders. Materials & Design, 116, 644-655.
- 2016
Journal article Bejjani, R., Balazinski, M., Attia, H., Plamondon, P., & L'Espérance, G. (2016). Chip formation and microstructure evolution in the adiabatic shear band when machining titanium metal matrix composites. International Journal of Machine Tools and Manufacture, 109, 137-146.Journal article Martin, J., Beauparlant, M., Sauvé, S., & L'Espérance, G. (2016). Effect of temperature on beam damage of asbestos fibers in the transmission electron microscope (TEM) at 100kV. Micron, 94, 26-36.Journal article Boisvert, M., Christopherson, D., & L'Espérance, G. (2016). Observation of Nanometric Silicon Oxide Bifilms in a Water-Atomized Hypereutectic Cast Iron Powder. Metallurgical and Materials Transactions B, 47(5), 2971-2978.Journal article Martin, J., Beauparlant, M., Sauve, S., & L'Espérance, G. (2016). On The threshold conditions for electron beam damage of asbestos amosite fibers in the transmission electron microscope (tem). Journal of Occupational and Environmental Hygiene, 13(12), 924-935.
- 2013
Journal article Dolez, P., Cloutier, Y., Noël, A., Tabet, L., Gautrin, D., Debia, M., L'Espérance, G., Hallé, S., Bahloul, A., & Vinches, L. (2013). Advancement in Québec Research on the Prevention of Risks Related to Occupational Exposure to Nanomaterials. [Avancement des recherches au Québec sur la prévention des risques liés à l'exposition professionnelle aux nanomatériaux]. Relations Industrielles-Industrial Relations, 68(4), 623-642.Journal article Noël, A., L'Espérance, G., Cloutier, Y., Plamondon, P., Boucher, J., Philippe, S., Dion, C., Truchon, G., & Zayed, J. (2013). Assessment of the Contribution of Electron Microscopy to Nanoparticle Characterization Sampled With Two Cascade Impactors. Journal of Occupational and Environmental Hygiene, 10(3), 155-172.
- 2012
Journal article Beaudet, F., Blais, C., Lehuy, H., Voyzelle, B., L'Espérance, G., Masse, J.-P., & Krishnadev, M. (2012). Improvement of Hardenability and Static Mechanical Properties of P20+0.5ni Mold Steel Through Additions of Vanadium and Boron. ISIJ International, 52(3), 424-433.
- 2011
Journal article Baïlon-Poujol, I., Bailon, J.-P., & L'Espérance, G. (2011). Ball-mill grinding kinetics of master alloys for steel powder metallurgy applications. Powder Technology, 210(3), 267-272.Journal article Bernier, F., Beaulieu, P., Bailon, J.-P., & L'Espérance, G. (2011). Effect of Cu infiltration on static and dynamic properties of PM steels. Powder Metallurgy, 54(3), 314-319.Journal article Bernier, F., Plamondon, P., Bailon, J.-P., & L'Espérance, G. (2011). Microstructural characterisation of nickel rich areas and their influence on endurance limit of sintered steel. Powder Metallurgy, 54(5), 559-565.
- 2010
Journal article Virgilio, N., Desjardins, P., L'Espérance, G., & Favis, B. D. (2010). Modified interfacial tensions measured in situ in ternary polymer blends demonstrating partial wetting. Polymer, 51(6), 1472-1484.
- 2009
Journal article Blais, C., L'Espérance, G., & Plamondon, P. (2009). Characterization of powders and pm components utilizing transmission electron microscopy. International Journal of Powder Metallurgy, 45(2), 29-38.Journal article Salehi, F., Zayed, J., Audusseau, S., Muller, C., Truchon, G., Plamondon, P., L'Espérance, G., Chevalier, G., & Mazer, B. (2009). Immunological Responses in C3h/Hej Mice Following Nose-Only Inhalation Exposure to Different Sizes of Beryllium Metal Particles. Journal of Applied Toxicology, 29(1), 61-68.Journal article Virgilio, N., Desjardins, P., L'Espérance, G., & Favis, B. D. (2009). In situ measure of interfacial tensions in ternary and quaternary immiscible polymer blends demonstrating partial wetting. Macromolecules, 42(19), 7518-7529.Journal article Bernier, F., Bailon, J.-P., & L'Espérance, G. (2009). Microstructural characterization and mechanical properties of free-machining sintered steel parts containing up to 1 Wt Pct MnS. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 40(10), 2291-2300.Journal article Scherm, F., Völkl, R., van Smaalen, S., Mondal, S., Plamondon, P., L'Espérance, G., Bechmann, F., & Glatzel, U. (2009). Microstructural characterization of interpenetrating light weight metal matrix composites. Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 518(1-2), 118-123.Journal article Kunst, M., Fischersworring-Bunk, A., L'Espérance, G., Plamondon, P., & Glatzel, U. (2009). Microstructure and dislocation analysis after creep deformation of die-cast Mg-Al-Sr (AJ) alloy. Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 510-511(3-6), 387-392.
- 2008
Journal article Muller, C., L'Espérance, G., Plamondon, P., Kennedy, G. G., & Zayed, J. (2008). Characterization of Beryllium Particles From Calsifrit. Journal of Toxicology and Environmental Health-Part a-Current Issues, 71(16), 1091-1099.Journal article Calatoru, V. D., Balazinski, M., Mayer, J. R. R., Paris, H., & L'Espérance, G. (2008). Diffusion Wear Mechanism During High-Speed Machining of 7475-T7351 Aluminum Alloy With Carbide End Mills. Wear, 265(11-12), 1793-1800.Journal article Boilard, P., L'Espérance, G., & Blais, C. (2008). Effect of Prealloyed Mns Content and Sintered Density on Machinability and Mechanical Properties. International Journal of Powder Metallurgy, 44(2), 33-40.
- 2007
Journal article Lonescu-Vasii, L. L., Wood-Adams, P. M., Duchesne, E., L'Espérance, G., Karjala, T., & Ansems, P. (2007). Morphological Analysis of Highly Filled Propylene/Ethylene Copolymers. Journal of Applied Polymer Science, 105(6), 3757-3772.
- 2005
Journal article Blais, C., Serafini, R. E., & L'Espérance, G. (2005). Effect of Hydrogen Concentration in Cooling Zone on Sinter Hardening. International Journal of Powder Metallurgy, 41(4), 33-41.Journal article Virgilio, N., Favis, B. D., Pepin, M. F., Desjardins, P., & L'Espérance, G. (2005). High Contrast Imaging of Interphases in Ternary Polymer Blends Using Focused Ion Beam Preparation and Atomic Force Microscopy. Macromolecules, 38(6), 2368-2375.Journal article Rouleau, M., Dion, C., Plamondon, P., Kennedy, G. G., L'Espérance, G., & Zayed, J. (2005). Physical and Chemical Characterization of Beryllium Particles From Several Workplaces in Québec, Canada - Part A: Determining Methods for the Analysis of Low Levels of Beryllium. Journal of Toxicology and Environmental Health-Part a-Current Issues, 68(21), 1889-1905.Journal article Rouleau, M., Dion, C., Plamondon, P., L'Espérance, G., & Zayed, J. (2005). Physical and Chemical Characterization of Beryllium Particles From Several Workplaces in Québec, Canada - Part B: Time-of-Flight Secondary-Ion Mass Spectroscopy. Journal of Toxicology and Environmental Health-Part a-Current Issues, 68(21), 1907-1916.
- 2004
Journal article Imai, T., Mao, J. F., Dong, S. L., Shigematsu, I., Saito, N., & L'Espérance, G. (2004). High Strain Rate Superplasticity of Tic Particulate Reinforced 2014 Aluminum Alloy Composites. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 364(1-2), 281-286.Journal article Beaupré, L. A., Salehi, F., Zayed, J., Plamondon, P., & L'Espérance, G. (2004). Physical and Chemical Characterization of Mn Phosphate/Sulfate Mixture Used in an Inhalation Toxicology Study. Inhalation Toxicology, 16(4), 231-244.
- 2002
Journal article Zhong, W. M., L'Espérance, G., & Suery, M. (2002). Effect of current Mg concentration on interfacial reactions during remelting of Al-Mg(5083)/Al₂O₃P composites. Materials Characterization, 49(2), 113-119.Journal article Blais, C., & L'Espérance, G. (2002). Turning and Drilling of Parts Made From Sinter Hardenable Steel Powders. Powder Metallurgy, 45(1), 39-47.
- 2001
Journal article Blais, C., L'Espérance, G., & Bourgeois, I. (2001). Characterisation of Machinability of Sintered Steels During Drilling Operations. Powder Metallurgy, 44(1), 67-76.Journal article Dionne, M., L'Espérance, G., & Mirchi, A. (2001). Microscopic Characterization of a Tib2-Carbon Material Composite: Raw Materials and Composite Characterization. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 32(10), 2649-2656.Journal article Blais, C., & L'Espérance, G. (2001). Optimization of Machining Operations of Parts Made of High Performance Alloyed Powders. Journal of materials and manufacturing, 110(5), 275-280.
- 2000
Journal article Blais, C., L'Espérance, G., & Forget, C. (2000). Method based on integrated microscopy to determine the fraction of alloyed/unalloyed particles in P/M steel powders and parts. P/M science & technology briefs, 2(5), 18-23.Journal article Duchesne, E., L'Espérance, G., & De Rege, A. (2000). Sinter-Hardening and Hardenability. International Journal of Powder Metallurgy, 36(1), 49-60.
- 1999
Journal article Blais, C., L'Espérance, G., & Evans, G. M. (1999). Characterisation of Inclusions Found in C-Mn Steel Welds Containing Titanium. Science and Technology of Welding and Joining, 4(3), 143-150.Journal article Zayed, J., Hong, B., & L'Espérance, G. (1999). Characterization of Manganese Containing Particles Collected From the Exhaust Emissions of Automobiles Running With Mmt Additive. Environmental Science & Technology, 33(19), 3341-3346.Journal article Duchesne, E., L'Espérance, G., & Forget, C. (1999). Development of an automatic procedure based on microhardness to identify martensite, bainite and pearlite in sinter hardened parts. Advances in powder metallurgy and particulate materials, 3, 12.151-12.164-12.151-12.164.Journal article Ardeleanu, A., Loranger, S., Kennedy, G. G., L'Espérance, G., & Zayed, J. (1999). Emission rates and physico-chemical characteristics of Mn particles emitted by vehicles using Methylcyclopentadienyl Manganese Tricarbonyl (MMT) as an octane improver. Water, Air, and Soil Pollution, 115(1/4), 411-427.Journal article Baril, E., & L'Espérance, G. (1999). Studies of the morphology of the al-rich interfacial layer formed during the hot dip galvanizing of steel sheet. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 30(3A), 681-695.
- 1998
Journal article Blais, C., & L'Espérance, G. (1998). Characterization of Inclusions in Steel: When Not Only Size Matters. CIM Bulletin, 91(1021), 116-120.Journal article Blais, C., L'Espérance, G., & Baril, É. (1998). Characterization of 25-75 nm phases found at the peripyhery of multiphase inclusions: techniques comparison and selection. Journal of Microscopy, 189(3), 249-262.Journal article Blais, C., L'Espérance, G., & Miele, P. (1998). Experimental evaluation of the reducibility of oxide particles found in powders and P/M parts. Advances in powder metallurgy and particulate materials (1), 2.41-2.50-2.41-2.50.
- 1997
Journal article Blais, C., L'Espérance, G., LeHuy, H., & Forget, C. (1997). Development of an integrated method for fully characterizing multiphase inclusions and its application to calcium-treated steels. Materials Characterization, 38(1), 25-37.Journal article Zayed, J., L'Espérance, G., Loranger, S., Pfeifer, G. D., & Kennedy, G. G. (1997). Exposure to respirable and total manganese and the contribution of MMT (methylcyclopentadienyl manganese tricarbonyl) used in unleaded gasoline. AIHA journal.Journal article Ababou, Y., Desjardins, P., Chennouf, A., Masut, R. A., Yelon, A., Beaudoin, M., Bensaada, A., Leonelli, R., & L'Espérance, G. (1997). Optical absorption and determination of band offset in strain-balanced GaInP/InAsP multiple quantum wells grown by low-pressure metalorganic vapor phase epitaxy. Semiconductor Science and Technology, 12(5), 550-554.Journal article Lefebvre, L. P., L'Espérance, G., & Suery, M. (1997). Particle degradation during remelting of Al-1 pct Mg alloy reinforced with SiCp coated with sol-gel-produced TiO2. Journal of Materials Science, 32(15), 3987-3994.Journal article Tremblay, S., Ronaldi, J., Baril, E., Laroche, S., L'Espérance, G., & Baseotto, G. (1997). Système de caractérisation des matériaux intégrés pour les microscopies optiques et électroniques, l'analyse d'images et la spectrométrie EDX. Revue matériaux et techniques (11-12), 57-60.
- 1996
Journal article L'Espérance, G., Duchesne, E., & De Rege, A. (1996). Effect of materials and process parameters on microstructure and properties of sinter hardening alloys. Advances in powder metallurgy and particulate materials, 3(11), 397-413.Journal article Blandin, J. J., Hong, B., Varloteaux, A., Suery, M., & L'Espérance, G. (1996). Effect of the nature of grain boundary regions on cavitation of a superplastically deformed aluminium alloy. ACTA Materialia, 44(6), 2317-2326.Journal article Zhong, W. M., Goiffon, E., L'Espérance, G., Suery, M., & Blandin, J. J. (1996). Effect of thermomechanical processing on the microstructure and mechanical properties of Al-Mg (5083)/SiCp and Al-Mg (5083)/Al₂O₃ p composites. Part 1 : Dynamic recrystallization of the composites. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 214(1-2), 84-92.Journal article Zhong, W. M., L'Espérance, G., & Suery, M. (1996). Effect of thermomechanical processing on the microstructure and mechanical properties of Al-Mg (5083)/SiCp and Al-Mg (5083)/Al₂O₃ p composites. Part 3 : Fracture mechanisms of the composites. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 214(1-2), 104-114.Journal article Zhong, W. M., L'Espérance, G., & Suery, M. (1996). Effect of thermomechanical processing on the microstructure and mechanical properties of Al-Mg (5083)/SiCp and Al-Mg (5083)/Al₂O₃ p composites. Part 2 : Tensile properties at different temperatures. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 214(1-2), 93-103.Journal article Tsunemichi, I., Sumito, K., L'Espérance, G., Bande, H., & Daming, J. (1996). Effect of volume fraction of aln particle on superplasticity of aln/6061 aluminum alloy composite. Scripta Materialia, 35(10), 1199-1204.Journal article Hajjaji, M., Cutler, L., & L'Espérance, G. (1996). Effects of lithium addition and wheel velocity on the microstructure of aluminium-lithium alloy ribbons. Journal of Materials Science, 31(4), 1027-1034.Journal article Imai, T., Kojima, S., L'Espérance, G., Hong, B. D., Jiang, D., & Nieh, T. G. (1996). Effects of temperature on the superplastic characteristics of a powder-metallurgy pure aluminum. Scripta Materialia, 35(10), 1189-1193.Journal article Zayed, J., Mikhail, M., Loranger, S., Kennedy, G. G., & L'Espérance, G. (1996). Exposure of taxi drivers and office workers to total and respirable manganese in an urban-environment. American Industrial Hygiene Association Journal, 57(4), 376-380.Journal article Imai, T., Tochigi, I., Ai, K., L'Espérance, G., & Hong, B. (1996). High-strain rate superplasticity of a beta-si3n4 whisker-reinforced pure aluminum composite made by squeeze casting. Scripta Materialia, 34(10), 1627-1631.Journal article Zhong, W., L'Espérance, G., & Suéry, M. (1996). Interfacial reactions in Al-Mg(5083) SiCp composites during fabrication and remelting. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 26(10), 2637-2649.Journal article Ababou, Y., Desjardins, P., Masut, R. A., Yelon, A., & L'Espérance, G. (1996). Metalorganic vapor phase epitaxy and structural characterization of InP on Si(111). Canadian Journal of Physics, 74(1), S108-S111.Journal article Guillet, A., Es-Sadiqi, E., L'Espérance, G., & Hamel, F. G. (1996). Microstructure and mechanical properties of strip cast 1008 steel after simulated coiling and batch annealing, cold rolling. ISIJ International, 36(9), 1190-1198.Journal article Hajjaji, M., Cutler, L., & L'Espérance, G. (1996). Phases in as-spun and aged binary aluminium-lithium ribbons. Journal of Materials Science, 31(14), 3715-3721.Journal article Beaudoin, M., Bensaada, A., Leonelli, R., Desjardins, P., Masut, R. A., Isnard, L., Chennouf, A., & L'Espérance, G. (1996). Self-consistent determination of the band offsets in InAsₓP₁₋ₓ/InP strained layer quantum wells and the bowing parameter of bulk InAsₓP₁₋ₓ. Physical review. B, Condensed matter, 53(4), 1990-1996.Journal article Abadou, Y., Desjardins, P., Chennouf, A., Leonelli, R., Hetheringtin, A., Yelon, A., L'Espérance, G., & Masut, R. A. (1996). Structural and optical charact. of InP grown on Si(111) by metalorganic vapor phase epitaxy using thermal cycle growth. Journal of Applied Physics, 80(9), 499-505.Journal article Desjardins, P., Beaudoin, M., Leonelli, R., L'Espérance, G., & Masut, R. A. (1996). Structural and optical properties of strain-relaxed InAsP/InP heterostructures grown by metalorganic vapor phase epitaxy on InP(001) using tertiarybutylarsine. Journal of Applied Physics, 80(2), 846-852.
- 1995
Journal article Barreto, M. P., Veillette, R., & L'Espérance, G. (1995). Development and application of a dry ultramicrotomy technique for the preparation of galvanneal sheet coatings. Microscopy Research and Technique, 31(4), 293-299.Journal article Imai, T., L'Espérance, G., Hong, B. D., & Kojima, S. (1995). High strain rate superplasticity of aln particulate reinforced 1n90 pure aluminum composite. Scripta Metallurgica Et Materialia, 33(8), 1333-1338.Journal article Imai, T., L'Espérance, G., Hong, B. D., & Tozawa, Y. (1995). High strain rate superplasticity of tib2 particulate reinforced aluminium alloy composite. Journal of Materials Science Letters, 14(5), 373-376.Journal article Zhong, W. M., L'Espérance, G., & Suery, M. (1995). Interfacial reactions in al-mg (5083)/al(2)o(3)p composites during fabrication and remelting. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 26(10), 2625-2635.Journal article Gonzalez, G., Salvo, L., Suery, M., & L'Espérance, G. (1995). Interfacial reactions in al-mg metal matrix composites reinforced with (sn/sb) oxide coated sic particles. Scripta Metallurgica Et Materialia, 33(12), 1969-1975.Journal article Tremblay, A., Tremblay, S., Favis, B. D., Selmani, A., & L'Espérance, G. (1995). Locating the modifier in a polymer blend by electron energy-loss spectroscopy. Macromolecules, 28(13), 4771-4773.Journal article Hovington, P., L'Espérance, G., Baril, E., & Rigaud, M. (1995). Monitoring the performance of energy-dispersive spectrometer detectors at low-energy. Journal of scanning microscopy, 17(3), 136-138.Journal article Botton, G. A., L'Espérance, G., Gallerneault, C. E., & Ball, M. D. (1995). Volume fraction measurement of dispersoids in a thin foil by parallel energy-loss spectroscopy: development and assessment of the technique. Journal of Microscopy, 80(3), 217-229.
- 1994
Journal article Botton, G., & L'Espérance, G. (1994). A TEM/STEM PEELS spectrum--imaging system and some applications in materials science. Electron Optics Bulletin, 133, 35-38.Journal article Botton, G., & L'Espérance, G. (1994). Development, quantitative performance and applications of a parallel electron energy-loss spectrum imaging system. Journal of Microscopy, 173(1), 9-25.Journal article Imai, T., L'Espérance, G., Hong, B. D., & Tozawa, Y. (1994). Fabrication and properties of tic particulate reinforced aluminium alloy composite foils. Journal of Materials Science Letters, 13(13), 963-965.Journal article Simoneau, M., L'Espérance, G., & Schulz, R. (1994). Formation by ball milling and recrystallization of Y-Ba-Cu-O nanocrystalline phases. Journal of Applied Physics, 76(1), 163-171.Journal article Imai, T., L'Espérance, G., & Hong, B. D. (1994). High strain rate superplasticity of aln particulate reinforced aluminium alloy composites. Scripta Metallurgica Et Materialia, 31(3), 321-326.Journal article Salvo, L., L'Espérance, G., Suéry, M., & Legoux, J. G. (1994). Interfacial reactions and age hardening in Al-Ms-Si metal matrix composites reinforced with SiC particles. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 177(1), 173-183.Journal article Simoneau, M., L'Espérance, G., Trudeau, M. L., & Schulz, R. (1994). Structural and magnetic characterization of granular Y₁Ba₂Cu₃O₇₋δ nanocrystalline powders. Journal of Materials Research, 9(3), 535-540.Journal article Hong, B. D., L'Espérance, G., Dickson, J. I., & Meng, Q. C. (1994). Trace rotations of planar features with foil tilting on transmission electron-micrographs. Materials Characterization, 32(1), 3-13.
- 2024
- Conference papers (45)
- 2018
Conference paper Xu, C., Bouchemit, A., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2018, May). 3D printing of metallic structures from a green ink [Paper]. CSME International Congress, Toronto, Ontario, Canada.Conference paper Nobari, A. H., St-Laurent, S., Thomas, Y., Bouchemit, A., & L'Espérance, G. (2018, May). Performance of fine and ultra-fine lead-free powders for solder paste applications [Paper]. 68th IEEE Electronic Components and Technology Conference (ECTC 2018), San Diego, CA.
- 2017
Conference paper Xu, C., Bouchemit, A., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2017, July). Dense metallic structure fabrication through 3D printing of metallic inks and subsequent metal sintering [Paper]. 54th Annual Technical Meeting of the Society of Engineering Science (SES 2017), Boston, United States.
- 2016
Conference paper Xu, C., Bouchemit, A., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2016, August). Three-dimensional direct-write printing of metallic microstructures [Poster]. International conference of theoretical and applied mechanics (ICTAM 2016), Montréal, Québec.
- 2011
Conference paper Bernier, F., Gauthier, M., Plamondon, P., & L'Espérance, G. (2011, May). Copper strengthening of PM steel parts [Paper]. 2011 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2011, San Francisco, CA, United states.
- 2008
Conference paper Tougas, B., Blais, C., & L'Espérance, G. (2008, June). New iron powder with improved machinability [Paper]. 2008 World Congress on Powder Metallurgy and Particulate Materials, PowderMet 2008, Washington, DC, United states.Conference paper Virgilio, N., Desjardins, P., L'Espérance, G., & Favis, B. D. (2008, June). The Neumann triangle method to measure interfacial tensions in immiscible polymer blends using focused ion beam and atomic force microscopy [Paper]. 24th Annual meeting of Polymer Processing Society, Salerno, Italy.
- 2007
Conference paper Virgilio, N., Desjardins, P., L'Espérance, G., & Favis, B. D. (2007, August). Novel self-assembling pearl necklace microstructure induced by partial wetting in ternary polymer blends [Abstract]. ACS Polymeric Materials: Science and Engineering. Fall Meeting 2007., Boston, Mass., USA.
- 2005
Conference paper Campbell-Tremblay, J., Blais, C., L'Espérance, G., & Boilard, P. (2005, June). Characterization of the fatigue performance of P/M components produced with powders developed for improved machinability [Paper]. 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005, Montréal, Québec.Conference paper Virgilio, N., Pépin, M. F., Desjardins, P., L'Espérance, G., & Favis, B. D. (2005, August). High contrast imaging of interphases in ternary polymer blends using focused ion beam preparation and atomic force microscopy [Paper]. PPS 2005 America's Regional Meeting of the Polymer Processing Society, Québec, QC, Canada..Conference paper Bernier, F., Boilard, P., Bailon, J.-P., & L'Espérance, G. (2005, June). Machinability and dynamic properties of sinter-hardened steel parts [Paper]. 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005, Montréal, Québec.
- 2000
Conference paper Plamondon, P., & L'Espérance, G. (2000, May). Application of analytical electron microscopy (AEM) to the developmentof high performance powders [Paper]. PM2TEC 2000 : International Conference on Powder Metallurgy & Particulate Materials, New York, NY, USA.Conference paper Julien, B., Duchesne, E., & L'Espérance, G. (2000, May). Influence of nickel additions, sintering temperature and microstructureon the mechanical properties of prealloyed Mn-Ni-Mo steel powders [Paper]. PM2TEC 2000: 2000 International Conference on Powder Metallurgy & Particulate Materials, New York, NY, USA.
- 1999
Conference paper Dionne, M., L'Espérance, G., & Mirtchi, A. (1999, February). Caractérisation de la mouillabilité d'un matériau composite TiB₂-Carbone, Aluminium [Wetting of TiB2-Carbon Material Composite]. [Paper]. 128th TMS Annual Meeting 'Light Metals 1999', San Diego, CA. Published in Light Metals: Proceedings of Sessions, TMS Annual Meeting, 5(1).Conference paper Blais, C., L'Espérance, G., & Miele, P. (1999, May). Experimental evaluation of the reducibility of oxide particles found in powders and P/M parts [Paper]. International Conference and Exhibition on Powder Metallurgy and Particulate Materials, Las Vegas, NV, USA.
- 1998
Conference paper Baril, E., L'Espérance, G., & Boutin, É. Effect of process parameters on inhibition breakdown mechanisms during hot dip galvannealing [Paper]. GALVATECH 1998.Conference paper Imai, T., Kojima, S., Jiang, D., Mao, J., L'Espérance, G., & Hong, B. (1998, October). Superplasticity of 1N90 pure aluminum and the thermomechanical processing [Paper]. Minerals, Metals and Materials Society (TMS) fall meeting, Rosemont, IL (United States).
- 1997
Conference paper Blais, C., L'Espérance, G., Baril, E., & St-Pierre, E. (1997, January). Complete characterization of second phase particles using a system integrating SEM, image analysis and EDS [Paper]. IMS-Microstructural science, Seattle, USA.Conference paper Demarty, C. H., Jeulin, D., L'Espérance, G., & Perrier, E. (1997, January). 3D morphological analysis of the connectivity of a sintered material [Paper]. FMM 97, Buffalo, USA.Conference paper Imai, T., Hikosaka, T., L'Espérance, G., Hong, B., & Jiang, D. (1997, January). High strain rate superplasticity of ceramuc particulate reinforced aluminum composites and the fabrication processing [Paper]. 11th international conference on composite materials, Queensland, Australia.Conference paper Imai, T., Lojima, S., Tochigi, I., L'Espérance, G., Hong, B., & Jiang, D. (1997, February). High strain rate superplasticity of discontinuous fiber reinforced pur aluminum composites [Paper]. Light Weight alloys for aerospace application symposium, TMS annual meeting, Orlando, FL, USA.Conference paper Imai, T., Kojima, S., Tochigi, I., L'Espérance, G., & Hong, B. (1997, February). High strain rate superplasticity of discontinuous fiber reinforced pure aluminum composites [Paper]. Light weight alloys for aerospace applications IV : 4th symposium, Orlando, Fl, USA.Conference paper Imai, T., Kojima, S., Jiang, D., Mao, J., L'Espérance, G., & Hong, B. (1997, October). High strain rate superplasticity of TiC particulate reinforced aluminum composites [Paper]. Challenging to Advanced Materials and Processing Technology Aiming for New Industrial Applications; 5th Japan International Sampe Symposium, Tokyo, Japan.Conference paper Imai, T., Mao, J. F., Kojimi, S., L'Espérance, G., & Hong, B. (1997, January). High strain rate superplasticity of TiC particulate reinforced aluminum composites and the microstructures [Paper]. 5th japan international SAMPE symposium-society for the advancement of material and process engineering, Tokyo, Japan.Conference paper Blais, C., L'Espérance, G., Deschenes, B., & de Rege, A. (1997, June). Influence of furnace atmospheres on the chemistry of additives to powders made for improved machinability [Paper]. 1997 International Conference on Powder Metallurgy and Particulate Materials, Chicago, IL, USA.Conference paper Blais, C., L'Espérance, G., & de Rege, A. (1997, June). State of the art characterization of second phase particles found in powders and P/M parts [Paper]. 1997 International Conference on Powder Metallurgy and Particulate Materials, Chicago, IL, USA.
- 1996
Conference paper Lefebvre, L. P., L'Espérance, G., & Suery, M. Age-hardening behavior of al-1 wt-% mg/sic(ind p) composites fabricated with TiO₂-coated sic particles [Paper]. Processing, properties, and applications of cast metal matrix composites: symposium held at the 1996 TMS Fall Meeting in Cincinnati, Ohio.Conference paper Lefebvre, L. P., L'Espérance, G., & Suéry, M. (1996, January). Age-hardening behavior of Al-wt%/Mg/SiCo composites fabricated with TiO2 coated SiC particles [Paper]. TMS fall meeting- Properties and applications of cast metal matrix composites, Cincinnati, USA.Conference paper Blais, C., L'Espérance, G., Baril, E., & Forget, C. (1996, August). Characterization of small inclusions: SEM vs TEM, or is it even worth considering SEM [Paper]. Microscopy and microanalysis 1996, Minneapolis, MN (United States).Conference paper L'Espérance, G., Martel, S., & De Rege, A. (1996, June). Detailed microstructural characterization of recently developedpartically alloyed powders [Paper]. Advances in Powder Metallurgy and Particulate Materials -1996 : 1996 World Congress on Powder Metallurgy & Particulate Materials, Washington, DC, USA.Conference paper L'Espérance, G., Dionne, M., & Tremblay, S. (1996, August). Extracting 3-D information from SEM and TEM images: Approaches and applications in the physical sciences [Paper]. Microscopy and microanalysis 1996, Minneapolis, MN (United States).Conference paper Imai, T., Kojima, S., Tochigi, I., L'Espérance, G., Hong, B., & Jiang, D. (1996, August). High strain rate superplasticity of discontinuous fiber reinforced aluminum alloy composites [Paper]. Processes in advanced materials and mechanics : International conference on advanced materials, Beijing, China.
- 1995
Conference paper Simoneau, M., L'Espérance, G., & Schulz, R. (1995, July). Abnormal grain growth in sintered YBa₂Cu₃O₇₋[dₑₗₜₐ] nanocrystalline powders produced by high energy ball milling [Paper]. International symposium on metastable, mechanically alloyed and nanocrystalline materials. Published in Materials Science Forum, 225-227(2).Conference paper Blais, C., L'Espérance, G., Baril, E., & Forget, C. (1995, August). Estimation of errors resulting from stereological measurements of inclusions characterized by X-ray mapping in SEM [Paper]. Microbeam analysis society 1995, Breckenridge, Colorado, USA.Conference paper L'Espérance, G., Martel, S., de Rege, A., Kiefer, B., & Chen, Y. T. (1995, May). Evaluation of the effect of tempering on microstructure and properties of three widely used sinter hardening alloys [Paper]. 1995 International Conference & Exhibition on Powder Metallurgy & Particulate Materials, Seattle, WA, USA.Conference paper L'Espérance, G., Harton, S., de Rege, A., & Nigarura, S. (1995, May). Evaluation of the hardenability, microstructure and properties of various sinter hardening alloys [Paper]. 1995 International Conference & Exhibition on Powder Metallurgy & Particulate Materials, Seattle, WA, USA.Conference paper Ababou, Y., Desjardins, P., Chennouf, A., Masut, R. A., Yelon, A., Leonelli, R., & L'Espérance, G. (1995, June). Growth of strain-balanced GaInP/InAsP MQW by LP-MOVPE [Paper]. 6th European workshop on Metal-Organic Vapour Phase Epitaxy and related techniques, Gent, Belgique.Conference paper Imai, T., L'Espérance, G., Hong, B., Kojima, S., & Kusui, J. (1995, February). High strain rate superplasticity of ceramic particulate reinforced aluminium alloy composites [Paper]. Advances in superplasticity and superplastic forming, 1995 : Conference on superplasticity and superplastic forming, Las Vegas, Ne, USA.Conference paper Bensaada, A., Suys, M., Beaudoin, M., Desjardins, P., Isnard, L., Masut, R. A., Cochrane, R. W., Currie, J. F., & L'Espérance, G. (1995, June). LP-MOVPE growth and characterization of InₓGa₁₋ₓAs/InP epilayers and multiple quantum wells using tertiarybutylarsine [Paper]. 6th European Workshop on Metal-Organic Vapour Phase Epitaxy and related growth techniques, Ghent, Belgium.Conference paper Ardeleanu, A., Loranger, S., Gareau, L., Zayed, J., L'Espérance, G., & Kennedy, G. G. (1995, November). Physico-chemical characteristics of particles emitted from vehicles using gasoline with methylcyclopentadienyl manganese tricarbonyl [Paper]. 2nd world Conference of the Society of Environmental Toxicology and Chemistry (SETAC), Vancouver (Canada).Conference paper Tremblay, A., Tremblay, S., Favis, B. D., Selmani, A., & L'Espérance, G. (1995, May). Spectroscopic analyses of compatibilized polymer blends [Paper]. 53rd Annual Technical Conference, Boston, MA, USA.
- 1994
Conference paper Beaudoin, M., Masut, R. A., Isnard, L., Desjardins, P., Bensaada, A., L'Espérance, G., & Leonelli, R. (1994, November). Band offsets of InAsxP₁₋x/InP strained layer quantum wells grown by LP-MOVPE using TBAs [Paper]. Microcrystalline and nanocrystalline semiconductors : Symposium F of the 1994 Fall Meeting of the Materials Research Society, Boston, USA.Conference paper L'Espérance, G., Hovington, P., Baril, E., & Blais, C. (1994, January). Procedures and samples to monitor the long term low energy performance of energy-dispersive X-ray spectrometers [Paper]. Réunion conjointe microscopy society of america (52ieme réunion annuelle) et microbeam analysis society (28ieme réunion annuelle), Nouvelle-Orléan, Louisiana, USA.Conference paper Zhong, W. M., & L'Espérance, G. (1994, January). True composition profiles obtained by a graphical deconvolution technique using analytical transmission electron microscopy [Paper]. 21e réunion annuelle de la SMC/MSC, Montréal, Québec.Conference paper Tremblay, S., & L'Espérance, G. (1994, July). Volume fraction determination of secondary phase particles in aluminium thin foils with plasmin energy shift imaging [Paper]. 13ieme congrès international de la microscopie électronique, Paris, France.
- 2018
- Book chapters (1)
- 2001
Book chapter Blais, C., & L'Espérance, G. (2001). Optimization of machining operations of parts made of high performance alloyed powders. In Powdered metal performance applications (pp. 47-52).
- 2001
- Patents (7)
- 2019
Patent Xu, C., Therriault, D., Laberge Lebel, L., L'Espérance, G., & Bouchemit, A. (2019). 3D printing of metallic inks and subsequent heat-treatments. (Patent Application no. US20190054536).
- 2018
Patent Boisvert, M., L'Espérance, G., Beaulieu, P., & Christopherson, D. B. J. (2018). Free graphite containing powders. (Patent Application no. US20180105906).
- 2017
Patent Xu, C., Therriault, D., Laberge Lebel, L., L'Espérance, G., & Bouchemit, A. (2017). Metal 3D printing method and metallic 3D printing materials. (Patent Application no. CA2976782).Patent Christopherson, D. B. J., L'Espérance, G., Koth, J., Beaulieu, P., Farthing, L. J., & Schoenwetter, T. (2017). Thermal spray applications using iron based alloy powder. (Patent no. US9624568).
- 2015
Patent Christopherson, D. B. J., Farthing, L. J., Schoenwetter, T., L'Espérance, G., & Beaulieu, P. (2015). Powder metal compositions for wear and temperature resistance applications and method of producing same. (Patent no. US9162285).
- 2013
Patent L'Espérance, G., Baïlon-Poujol, I., & Christopherson, D. B. J. (2013). Master alloy for producing sinter hardened steel parts and process for the production of sinter hardened parts. (Patent Application no. US20130039796).
- 2010
Patent Christopherson, D. B. J., Farthing, L. J., Schoenwetter, T., L'Espérance, G., & Beaulieu, P. (2010). Powdered metal alloy composition for wear and temperature resistance applications and method of producing same. (Patent Application no. WO2009126674).
- 2019
- Reports (1)
- 2019
Report Debia, M., Catto, C., Fleck, A., Masse, J.-P., L'Espérance, G., & Roberge, B. (2019). Caractérisation des particules nanométriques non intentionnelles émises dans différents milieux de travail. (Technical Report n° R-1075).
- 2019