J-GLOBAL ID:201801013929639769   Update date: Jan. 26, 2024

Bernard Chrystelle

ベルナール クリステル | Bernard Chrystelle
Affiliation and department:
Job title: Assistant Professor
Research field  (2): Polymer materials ,  Machine materials and mechanics
Research keywords  (7): Material characterization ,  Numerical modelling ,  Micromechanics ,  Large strain behavior ,  Dynamic behavior ,  Cold-Spray ,  Polymer
Research theme for competitive and other funds  (15):
  • 2023 - 2026 Characterization and modelling the nano-micromechanics of polymer particles subjected to high strain rates
  • 2021 - 2026 Micromechanical modelling of polymer particles under impact
  • 2023 - 2024 Recipe of polymer coating by cold spray
  • 2021 - 2022 Experimental and numerical approaches for water film and particle flow analyses (and its particle deposition behavior) for repairing leakage pipes by cold spray process (or solid-state particle impingement process)
  • 2021 - 2022 Nanomechanical behavior of polymer particle at low strain rates
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Papers (31):
  • Yuxian Meng, Hiroki Saito, Chrystelle Bernard, Yuji Ichikawa, Kazuhiro Ogawa. Optimal Design of a Cold Spray Nozzle for Inner Wall Coating Fabrication by Combining CFD Simulation and Neural Networks. Journal of Thermal Spray Technology. 2024
  • C. A. Bernard, H. Takana, G. Diguet, O. Lame, K. Ogawa, J.-Y. Cavaillé. Thermal gradient in polymeric particles during the cold spray process. Computational Particle Mechanics. 2023. 10. 1697-1716
  • Shaoyun Zhou, Jiayu Sun, Chrystelle Bernard, Hao Lin, Hiroki Saito, Takamichi Miyazaki, Yuji Ichikawa, Kazuhiro Ogawa. Interfacial oxidation and boundary amorphization deposition mechanisms of GaN powder on metallic substrate by low-pressure cold spraying. Applied Surface Science. 2023. 614. 156221-156221
  • Yuxian Meng, Hiroki Saito, Chrystelle A. Bernard, Yuji Ichikawa, Kazuhiro Ogawa. Parametric Study to Repair Leaks in Water Pipe Using the Low-Pressure Cold Spray Technique. Journal of Thermal Spray Technology. 2022. 31. 8. 2560-2576
  • Liliana Zarazua-Villalobos, Nicolas Mary, Chrystelle Bernard, Kazuhiro Ogawa, Clement Boissy. Improved Deposition Efficiency of Low-Pressure Cold-Sprayed Tin Coating Through Powder Recycling. Journal of Thermal Spray Technology. 2022. 31. 2577-2593
MISC (2):
Patents (1):
  • Molding of metal film on the inner wall of pipes
Lectures and oral presentations  (80):
  • Which mechanisms govern polymer deposition by cold spray process?
    (Seminar at MATEIS, INSA de Lyon 2023)
  • Which mechanisms govern polymer deposition by cold spray process?
    (International Conference on Flow Dynamics (ICFD2023) 2023)
  • Parametric study and mechanism analysis of Sn-Zn coatings fabricated in the water environment by cold spray
    (117th National Meeting of the Japan Thermal Spray Society 2023)
  • Temperature distribution of polymer particles during the cold spray process
    (International Thermal Spray Conference 2023 2023)
  • Low-pressure cold spray nozzle optimization for SUS304L stainless steel deposition
    (The 8th Conference for R&D Initiative on Nuclear Decommissioning Technology by the Next Generation (NDEC-8), 2023)
Education (5):
  • 2011 - 2015 University of Strasbourg Mechanical Department PhD student
  • 2010 - 2011 Institute Polytechnique of Bordeaux ENSEIRB MATMECA Master's degree in Mathematics and Mechanics
  • 2009 - 2011 University of Bordeaux 1 Master's degree in Mechanics and Engineering
  • 2008 - 2009 University of Bordeaux 1 Bachelor's degree in Physics and Engineering
  • 2007 - 2008 University of South Toulon Var Bachelor's degree in Mathematics
Professional career (1):
  • Dr.
Work history (3):
  • 2017/02 - 現在 Frontier Research Institute for Interdisciplinary Sciences, Tohoku University Assistant Professor
  • 2016/10 - 2017/01 Tohoku University JSPS post doc researcher
  • 2015/10 - 2016/09 University of Strasbourg Post doc researcher
Awards (8):
  • 2023/02 - INSA de Lyon 1st edition of the scientific distinctions of INSA de Lyon
  • 2023/01 - Tohoku University Tohoku University prominent research fellow
  • 2022/11 - Institute of Fluid Sciences 19th International Conference on Flow Dynamics - Best Presentation Award for Young Researcher Evolution of the polymer particle thermal history during cold spray process
  • 2022/01 - Tohoku University Tohoku University prominent research fellow
  • 2021/07 - Tohoku University Tohoku University prominent researcher fellow
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Association Membership(s) (2):
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