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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 1 - 5 (5page)
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"Systematic investigation on thermal and mechanical properties of Cu60-xZr25Ti15Nix bulk metallic glasseswith x = 0, 1, 3, 5, 7, 9 and 11 at.% points out that monolithic Cu53Zr25Ti15Ni7 and Cu51Zr25Ti15Ni9 bulkmetallic glasses containing optimum Ni content of 7 and 9 at.% are effective to enhance both thermal sta-bility of amorphous structure up to 716 K and plastic strain of 2.4% at room temperature. This indicatesthat a selection of additional elements such as Ni by considering a mixing enthalpy to the constituent elementsis very important to control the thermal stability and plasticity. Moreover, it is believed that the addition ofminor Ni can be a trigger to form the chemical heterogeneity upon solidification. Such chemical heteroge-neity formed by the selection of the minor elements has a strong influence to cause the oscillation of theshear stress by wavy propagation of the shear bands thus leading the improvement of macroscopic plasticityof the bulk metallic glasses."
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