| Budget Amount *help |
¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2017: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2016: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2015: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
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| Outline of Final Research Achievements |
For the development of next generation advanced high strength steels, a new technology to suppress strain localization phenomena usually observed in martensite at an early stage of deformation is indispensable. In the present study, highly oriented martensite microstructure is proposed as one of the solutions, and clarified that new method using Ms gradient is one of the effective measures to realize such microstructures. In addition, the mechanism of early strain localization was also clarified from the combination of in-situ and cross-sectional observations of slip bands.
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