| Project/Area Number |
05402051
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| Research Category |
Grant-in-Aid for General Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Material processing/treatments
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| Research Institution | KYOTO UNIVERSITY |
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Principal Investigator |
SHINGU Hideo Graduate School of Energy Science Engineering Kyoto University, Professer, 工学研究科, 教授 (20026024)
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| Co-Investigator(Kenkyū-buntansha) |
ISHIHARA Keiichi Graduate School of Energy Science Engineering, Kyoto University, Assistant profe, 工学研究科, 助教授 (30184550)
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| Project Period (FY) |
1993 – 1995
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| Project Status |
Completed (Fiscal Year 1995)
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| Budget Amount *help |
¥32,000,000 (Direct Cost: ¥32,000,000)
Fiscal Year 1995: ¥3,800,000 (Direct Cost: ¥3,800,000)
Fiscal Year 1994: ¥5,400,000 (Direct Cost: ¥5,400,000)
Fiscal Year 1993: ¥22,800,000 (Direct Cost: ¥22,800,000)
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| Keywords | nanocrystal / nano structure / mechanical alloying / layr stracture / interface reaction / fine grained structure / ナカニカルアロイング / 準安定 / 非平衡 / マモルファス / 粉末治金 / アモルファス / 粉末冶金 |
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| Research Abstract |
This paper deals with the experimental results of the formation of nano-meter sized crystals grains in several alloys by the method of mechanical deformation. Repeated press deformation method was employed in plase of the conventional milling method to make the processing principle of fine grained structure as possible. Repeated pressing of Ag-70at%Cu sample for 100 times produced a super saturated solid solution. Electrical resistivity reduction by the application of magnetic field, characterisitic for the nano-scaled composites of magnetic and non-magnetic metals, was observed in Co-Cu samples.
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