| 时效温度和Cr含量对Cu-Ag-Cr合金性能的影响 |
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| 引用本文： | 王耀,杨正海,杨倩倩,田保红,杨晓辉,邵星海,徐宇,曹磊.时效温度和Cr含量对Cu-Ag-Cr合金性能的影响[J].特种铸造及有色合金,2021(3):353-358. |
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| 作者姓名： | 王耀 杨正海 杨倩倩 田保红 杨晓辉 邵星海 徐宇 曹磊 |
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| 作者单位： | 河南科技大学材料科学与工程学院;河南科技大学高端轴承摩擦学技术与应用国家地方联合工程实验室;清华大学天津高端装备研究院洛阳先进制造产业研发基地;内蒙古电力（集团）有限责任公司内蒙古电力科学研究院分公司 |
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| 基金项目： | 内蒙古电力(集团)有限责任公司博士后项目(2019-53)。 |
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| 摘 要： | 研究了时效温度和Cr含量对70%冷轧变形的Cu-Ag-xCr合金的硬度、导电性能和耐蚀性能的影响。结果表明,Cu-Ag-xCr合金在450~500℃时效后,其硬度随时效温度增加而降低,随Cr含量增加而升高;时效温度和Cr含量对合金电导率的影响不大;随时效温度升高,合金耐蚀性降低;随Cr含量增加,腐蚀速率降低,耐蚀性提高。Cr含量为0.34%时,在450℃时效2h后,其综合性能较好,电导率为47.02 MS/m,硬度(HV0.1)达到128.34,耐腐蚀性较好。
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| 关 键 词： | CU-AG-CR合金 CR含量 时效温度 硬度 耐腐蚀性 |
Effects of Aging Temperature and Cr Content on the Microstructure and Properties of Cu-Ag-Cr Alloy |
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| Wang Yao,Yang Zhenghai,Yang Qianqian,Tian Baohong,Yang Xiaohui,Shao Xinghai,Xu Yu,Cao Lei.Effects of Aging Temperature and Cr Content on the Microstructure and Properties of Cu-Ag-Cr Alloy[J].Special Casting & Nonferrous Alloys,2021(3):353-358. |
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| Authors: | Wang Yao Yang Zhenghai Yang Qianqian Tian Baohong Yang Xiaohui Shao Xinghai Xu Yu Cao Lei |
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| Affiliation: | (School of Materials Science and Engineering,Henan University of Science and Technology;National High-end Bearing Tribology Technology and Application Laboratory,Henan University of Science and Technology;Luoyang Advanced Manufacturing Industry and Development Base,Tianjin High-end Equipment Research Institute,Tsinghua University;Inner Mongolia Electric Power Research Institute Branch of Inner Mongolia Electric Power(Group)Co.,Ltd.) |
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| Abstract: | The influence of aging temperature and Cr content on the hardness,conductivity and corrosion resistance of 70%cold-rolled Cu-Ag-xCr alloy was investigated.The results indicate that with the Cu-Ag-xCr alloy aged at 450~500℃,the hardness of the alloy is decreased with the increase of the aging temperature,and increased with the increase of the Cr content.The effect of aging temperature and Cr content on the conductivity can be neglected.With the increase of the ageing temperature,the corrosion resistance is decreased,and with the increase of the Cr content,the corrosion rate is decreased and the corrosion resistance is increased.When the Cr content is 0.34%,the comprehensive performance is optimal at 450℃aging for 2 h,where the conductivity is47.02 MS/m,the hardness is 128.34 HV0.1,and the corrosion resistance is better. |
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| Keywords: | Cu-Ag-Cr Alloy Cr Content Aging Temperature Hardness Corrosion Resistance |
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