| 高压下Zr70Cu30非晶合金的热稳定性和晶化相的变化 |
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| 引用本文： | 沈中毅,陈桂玉,张云,殷岫君,沈德久,吴浩泉.高压下Zr70Cu30非晶合金的热稳定性和晶化相的变化[J].高压物理学报,1987,1(2). |
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| 作者姓名： | 沈中毅 陈桂玉 张云 殷岫君 沈德久 吴浩泉 |
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| 作者单位： | 中国科学院物理研究所
(沈中毅，陈桂玉，张云，殷岫君)，东北重型机械学院
(沈德久)，东北重型机械学院(吴浩泉) |
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| 基金项目： | 国家科学基金数——85090资助课题 |
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| 摘 要： | 用电阻测量及X射线衍射法研究了非晶Zr70Cu30合金在常压和高压下热稳定性以及晶化相的变化。结果表明压力提高了这种非晶合金的晶化温度并明显地改变了合金中的相平衡关系。在2 GPa压力下，平衡相为Cu10Zr7和α-Zr的混合物，而常压下为CuZr2和少量α-Zr的混合物。
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| 关 键 词： | 非晶合金 热稳定性 晶化 高压效应 锆铜合金 |
| 收稿时间： | 1987-07-13; |
THE THERMAL STABILITY AND VARIATION OF PRECIPITATED PHASE IN AMORPHOUS Zr_(70)Cu_(30) ALLOY AT HIGH PRESSURE |
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| Shen Zhongyi Chen Gui.yu Zhang Yun Yin Xiujun.THE THERMAL STABILITY AND VARIATION OF PRECIPITATED PHASE IN AMORPHOUS Zr_(70)Cu_(30) ALLOY AT HIGH PRESSURE[J].Chinese Journal of High Pressure Physics,1987,1(2). |
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| Authors: | Shen Zhongyi Chen Guiyu Zhang Yun Yin Xiujun |
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| Institution: | Shen Zhongyi Chen Gui.yu Zhang Yun Yin Xiujun(Institute of physics Academia Sinica)Shen Dejiu Wu Haoquan(North-Eastern Institute of Heavy Machines) |
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| Abstract: | The thermal stability and the variation of constituent crystallised phase in annealing a morphous Zr70Cu30 alloy under a pressure of 2 GPa were examined by resistance measurement and X-ray diffration analysis results show an increment of crystallizing temperature at high pressure. An evident variation on phase equilibrium was observed. Instead of the precipitation of CuZr2 compound (with a little amount of α-Zr) at normal pressure, a mixture of Cu10Zr7 compound and α-Zr occurs under 2 GPa. |
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| Keywords: | amorphous alloys thermal stability crystallisation high-pressure effect Zirconium-copper alloy |
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