| 压铸Ag-Mg-Ni合金导电环的组织及性能 |
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| 引用本文： | 崔浩,谢明,刘满门,杨有才,陈永泰,张吉明,孔健稳,张国全,陈宏燕.压铸Ag-Mg-Ni合金导电环的组织及性能[J].特种铸造及有色合金,2011,31(1):35-37,104. |
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| 作者姓名： | 崔浩 谢明 刘满门 杨有才 陈永泰 张吉明 孔健稳 张国全 陈宏燕 |
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| 作者单位： | 昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室 |
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| 基金项目： | 国家自然科学基金资助项目(u0837601); 昆明贵金属研究所R&D基金项目 |
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| 摘 要： | 利用压铸成形技术制备了银镁镍合金环,并对合金的组织和性能进行了研究。结果表明,压铸成形技术制备的银镁镍合金环具有近净成形的特征,但内部存在大量孔洞;合金细晶区厚度可达300～500μm,且Mg、Ni元素分布均匀,未发现明显偏析;压铸制备的银镁镍合金环密度为10.078g/cm3、硬度(HV0.2)为44.6、电导率为43MS/m,各项性能均低于铸造-热挤压方法制备的试样。
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| 关 键 词： | 压铸技术 近净成形 银镁镍合金 微观组织 性能 |
Microstructure and Properties of Die Casting Ag-Mg-Ni Alloy Ring |
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| Cui Hao,Xie Ming,Liu Manmen,Yang Youcai,Chen Yongtai,Zhang Jiming,Kong Jianwen,Zhang Guoquan,Chen Hongyan.Microstructure and Properties of Die Casting Ag-Mg-Ni Alloy Ring[J].Special Casting & Nonferrous Alloys,2011,31(1):35-37,104. |
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| Authors: | Cui Hao Xie Ming Liu Manmen Yang Youcai Chen Yongtai Zhang Jiming Kong Jianwen Zhang Guoquan Chen Hongyan |
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| Affiliation: | Cui Hao,Xie Ming,Liu Manmen,Yang Youcai,Chen Yongtai,Zhang Jiming,Kong Jianwen,Zhang Guoquan,Chen Hongyan(State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metal,Kunming Institute of Precious Metals,Kunming,China) |
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| Abstract: | Microstructure and properties of die casting Ag-Mg-Ni alloy ring were investigated.It is found that although die casting Ag-Mg-Ni alloy ring exhibits near-net forming,there exist amounts of holes in the ring.Thickness of fine grain region in the alloy reaches up to 300～400μm,and Mg and Ni elements are uniformly distributed into the alloy in the absence of segregation.The density,hardness and electric conductivity of die casting Ag-Mg-Ni ring are 10.078 g/cm 3,44.6(HV0.2) and 43 MS/m,respectively,which are lower than those of casting-hot extrusion ones. |
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| Keywords: | Die Casting Near Net Forming Ag-Mg-Ni Alloy Microstructure Properties |
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