| 高压下液态Ag-20 at%Ge合金的凝固及密排六方亚稳相的形成 |
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| 引用本文： | 秦志成,王文魁. 高压下液态Ag-20 at%Ge合金的凝固及密排六方亚稳相的形成[J]. 高压物理学报, 1991, 5(3): 193-196 |
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| 作者姓名： | 秦志成 王文魁 |
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| 作者单位： | 中国科学院物理研究所，中国科学院物理研究所，中国科学院物理研究所 北京，100080，北京，100080 中国科学院国际材料物理中心，沈阳，110015，北京，100080 |
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| 摘 要： | 利用高压淬火方法，在液态Ag-20at%Ge合金的凝固过程中，对比液态急冷低四个数量级的冷却速率得到了单相密排六方结构亚稳相，其点阵参数为a=0.289 8 nm，c=0.470 8 nm，c/a=1.625。
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| 关 键 词： | 高压淬火 液态急冷 亚稳态 堆垛层错 |
| 收稿时间： | 1991-03-13; |
FORMATION OF HEXAGONAL CLOSED PACKED METAS - TABLE PHASE DURING THE SOLIDIFICATION OF Ag-20 at%Ge MELT UNDER HIGH PRESSURE |
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| Qin Zhicheng,Wang Wenkui,Chen Hong. FORMATION OF HEXAGONAL CLOSED PACKED METAS - TABLE PHASE DURING THE SOLIDIFICATION OF Ag-20 at%Ge MELT UNDER HIGH PRESSURE[J]. Chinese Journal of High Pressure Physics, 1991, 5(3): 193-196 |
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| Authors: | Qin Zhicheng Wang Wenkui Chen Hong |
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| Affiliation: | 1. Institute of Physics, Academia Sinica, Beijing 100080, China;2. International Center for Materials Physics, Academia Sinica, Shenyang 110015, China |
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| Abstract: | The metastable hexagonal closed packed phase with lattice parameters a = 0. 2898nm,c=0. 4708nm and c/a=1. 625 has been obtained by melt quenching of Ag-20 at% Ge alloy under high pressure. The application of a pressure of 7. 2GPa to melt quenching induced a decreasing of cooling rate in magnitude of four orders for the formation of the hexagonal phase. |
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| Keywords: | high pressure quenching liquid quenching metastable phase stacking fault. |
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