| Budget Amount *help |
¥18,850,000 (Direct Cost: ¥14,500,000、Indirect Cost: ¥4,350,000)
Fiscal Year 2013: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2012: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2011: ¥11,570,000 (Direct Cost: ¥8,900,000、Indirect Cost: ¥2,670,000)
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| Research Abstract |
Ternary Mg-TM (Transition-metal)-RE (Rare-earth) phases with long-period stacking-ordered (LPSO) structures have received a considerable amount of attention as new types of strengthening phases in high-strength Mg alloys. These LPSO phases are reported to be beneficial to endowing Mg alloys with high strength and high ductility simultaneously. However, mechanisms behind this have largely remained unsolved. In the present study, the crystal structure models for the LPSO phases were established based on the crystallographic concept of the order-disorder (OD) theory. Structural stability, formation mechanism and deformation behavior of the LPSO/OD phases were investigated.
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