| Pressure Effect on Crystallization of Zr55Cu30Al10Ni5 Bulk Metallic Glass |
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| 引用本文： | JianjunLIU KeqingQIU 等. Pressure Effect on Crystallization of Zr55Cu30Al10Ni5 Bulk Metallic Glass[J]. 材料科学技术学报, 2002, 18(2): 184-186 |
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| 作者姓名： | JianjunLIU KeqingQIU 等 |
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| 作者单位： | StakeKeyLaboratoryforRSA,InstituteofMetalResearch,ChineseAcademyofSciences,Shenyang110016,China |
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| 基金项目： | the National Development Project for Basic Scientific Research，中国博士后科学基金 |
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| 摘 要： | The effect of pressure on the variation of the crystallization phases of the Zr55u30Al10Ni5 bulk glass and its thermal stability under high pressure annealing was investigated by X-ray diffraction (XRD)and differential scanning calorimeter(DSC).The mode of crystallization and products of crystallization of the Zr55Cu30Al10Ni5 bulk glass were quite different pressure.At ambient pressure,the crystallization products consisted of NiZr2 and CuZr2,while at pressure of 1 Gpa and 3 Gpa,the alloys crystallized into NiZr2 and Cu10Zr7,respectively.The alloy was nearly not crystallized and only a small amount of Cu10Zr7 was precipitated under 5 Gpa.DSC proved that the mode of the crystallization under high pressure was different from that at ambient pressure.
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| 关 键 词： | 大块金属玻璃 晶化 锆铜铝镍化合物 挤压 压力作用 Zr55Cu30Al10Ni5 |
Pressure Effect on Crystallization of Zr55Cu30Al10Ni5 Bulk Metallic Glass |
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| Jianjun LIU,Keqiang QIU,Aimin WANG,Haifeng ZHANG,Bingzhe DING,Zhuangqi HU. Pressure Effect on Crystallization of Zr55Cu30Al10Ni5 Bulk Metallic Glass[J]. Journal of Materials Science & Technology, 2002, 18(2): 184-186 |
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| Authors: | Jianjun LIU Keqiang QIU Aimin WANG Haifeng ZHANG Bingzhe DING Zhuangqi HU |
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| Affiliation: | State Key Laboratory for RSA, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China |
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| Abstract: | The effect of pressure on the variation of the crystallization phases of the Zr55Cu30Al10Ni5 bulk glass and its thermal stability under high pressure annealing was investigated by X-ray diffraction (XRD) and differential scanning calorimeter (DSC). The mode of crystallization and products of crystallization of the Zr55Cu30Al10Ni5 bulk glass were quite different under different pressure. At ambient pressure, the crystallization products consisted of NiZr2 and CuZr2, while at pressure of 1 GPa and 3 GPa, the alloys crystallized into NiZr2 and Cu10Zr7, respectively. The alloy was nearly not crystallized and only a small amount of Cu10Zr7 was precipitated under 5 GPa. DSC proved that the mode of the crystallization under high pressure was different from that at ambient pressure. |
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| Keywords: | Bulk metallic glan Pressure effect Crystallization |
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