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High Performance Materials
Inoue Laboratory

Development of advanced structural material by stabilizing mechanical response through the control of geometric feature of microstructures

Control deformability of materials which is never believed to be deformed

Enhancement of strength of structural materials meets the requirements in many applications, and especially contributes to the improvement of the resource and energy problem from the body-in-white weight reduction of automobiles. Increasing demand to develop lighter and stronger structural materials have encouraged the inventions of many new structural materials such as advanced high-strength steel, aluminum alloy, magnesium alloy, ceramics, and more recently carbon fiber reinforced plastics. To reduce the energy requirement in machining process and to maintain the reliability of final product, however, the deformability is also required for structural materials, which have limited further improvement of their strength. To enhance deformability of structural materials without loosing strength, our lab aim to characterize and analyze defects, deformation, and fracture in structural metals and alloys, and metal-metal and metal-matrix composites.

Current research activities focus primarily on the effect of microstructure and metallurgical property on novel high-strength and high-toughness steels, reliability of interconnects in integrated circuits, and defect nucleation in nanocrystalline metals and alloys. In addition, our lab also focused on the following subjects:

・Effect of slip systems in variant selection during martensitic transformation of lath martensite
・Toughness improvement of intermetallic compound coating film through the control of interface microstructure
・Development of performance prediction method for structural materials based on data-driven approach
Strain localization observed in martensitic steel
Strain localization observed in martensitic steel
Strong steel/Mg alloy bonding by ultra-thin intermetallic compound
Strong steel/Mg alloy bonding by ultra-thin intermetallic compound
Numerical models for predicting evolution and deformation of materials
Numerical models for predicting evolution and deformation of materials

Member

  • Junya INOUE
  • Specialized field:Mechanics of materials, Micromechanics, Numerical modeling
<As of May 2019>

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