| Budget Amount *help |
¥189,020,000 (Direct Cost: ¥145,400,000、Indirect Cost: ¥43,620,000)
Fiscal Year 2022: ¥31,720,000 (Direct Cost: ¥24,400,000、Indirect Cost: ¥7,320,000)
Fiscal Year 2021: ¥28,600,000 (Direct Cost: ¥22,000,000、Indirect Cost: ¥6,600,000)
Fiscal Year 2020: ¥28,860,000 (Direct Cost: ¥22,200,000、Indirect Cost: ¥6,660,000)
Fiscal Year 2019: ¥36,790,000 (Direct Cost: ¥28,300,000、Indirect Cost: ¥8,490,000)
Fiscal Year 2018: ¥63,050,000 (Direct Cost: ¥48,500,000、Indirect Cost: ¥14,550,000)
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| Outline of Final Research Achievements |
To elucidate the fundamental principles of phase stability in high entropy alloys and to establish the guiding principle for microstructure design based on such principles, the following research subjects, (1) Clarification of phase stability in multi-component high alloys based on thermodynamics and microstructure characterization, (2) Statistical analyses of ordering/clustering using synchrotron X-ray scattering and 3D atom probe techniques, (3) Experimental and theoretical quantification of vacancy-solute interactions. Then, spinodal-ordering or short-range ordering in Fe-based medium entropy alloys and medium-range ordering and anisotropic bonding in amorphous alloys etc., were found. Furthermore, the experimental verification of vacancy formation/migration energy in a fcc high entropy alloy and its subsystems was successively made.
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