| Budget Amount *help |
¥73,320,000 (Direct Cost: ¥56,400,000、Indirect Cost: ¥16,920,000)
Fiscal Year 2022: ¥14,560,000 (Direct Cost: ¥11,200,000、Indirect Cost: ¥3,360,000)
Fiscal Year 2021: ¥14,560,000 (Direct Cost: ¥11,200,000、Indirect Cost: ¥3,360,000)
Fiscal Year 2020: ¥14,560,000 (Direct Cost: ¥11,200,000、Indirect Cost: ¥3,360,000)
Fiscal Year 2019: ¥14,560,000 (Direct Cost: ¥11,200,000、Indirect Cost: ¥3,360,000)
Fiscal Year 2018: ¥15,080,000 (Direct Cost: ¥11,600,000、Indirect Cost: ¥3,480,000)
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| Outline of Final Research Achievements |
It is well-recognized that kink bands, which have the strengthening effect, are induced to the long-periodic stacking order (LPSO) phase by wrought processing. In this study, we had two major purposes for clarifying i) effective process to induce kink bands and ii) suitable microstructural feature relating to kink bands, which highly contributes to strengthening. We successfully produced many types of bulks that can identify between the influential microstructural factors and the kink strengthening effect, with controlling kink structure and morphology via thermomechanical processes. We found out that a high dispersion of kink bands consisting of narrow-spaces and fine-sizes are effective to attain high kink strengthening effect. In addition, we demonstrated that control of shear strain is important to induce such kink morphologies and structures to the LPSO phase.
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