| 硫含量对Cu-Ni合金拉伸性能影响的机理分析 |
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| 引用本文： | 高鑫,武会宾,刘明,张元祥,高峰,周向东.硫含量对Cu-Ni合金拉伸性能影响的机理分析[J].稀有金属材料与工程,2021,50(7):2268-2272. |
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| 作者姓名： | 高鑫 武会宾 刘明 张元祥 高峰 周向东 |
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| 作者单位： | 北京科技大学,北京科技大学,西安交通大学,东北大学,哈尔滨工业大学,无锡隆达金属材料有限公司 |
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| 基金项目： | 国家强基工程和国家自然基金the National Natural Science Foundation of China (No. 51801149) and Ministry of Industry and Information Technology of the People''s Republic of China (TC170A2KN-8). |
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| 摘 要： | 对6种不同硫含量的Cu-Ni合金进行了室温拉伸试验。系统地研究了拉伸速率和硫含量对材料屈服强度、拉伸强度、伸长率和断面收缩率的影响。通过扫描电镜、能谱分析和金相组织分析，研究了硫含量对金相组织的影响。分析了Cu-Ni合金中硫析出物的分布、变形及对塑性的影响规律。分析了材料发生断裂的起源和过程及硫含量对塑性影响的根本原因，为后续冷变形过程提供理论依据。
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| 关 键 词： | 硫含量 铜镍合金 拉伸性能 分析 |
| 收稿时间： | 2020/10/28 0:00:00 |
| 修稿时间： | 2020/12/18 0:00:00 |
Mechanism Analysis of Influence of Sulfur Content on Tensile Properties of C71500 Cu-Ni Alloy |
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| Gao Xin,Wu Huibin,Liu Ming,Zhang Yuanxiang,Gao Feng and Zhou Xiangdong.Mechanism Analysis of Influence of Sulfur Content on Tensile Properties of C71500 Cu-Ni Alloy[J].Rare Metal Materials and Engineering,2021,50(7):2268-2272. |
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| Authors: | Gao Xin Wu Huibin Liu Ming Zhang Yuanxiang Gao Feng and Zhou Xiangdong |
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| Affiliation: | University of Science and Technology Beijing,University of Science and Technology Beijing,Xi''an Jiaotong University,Northeastern University,Harbin Institute of Technology,Wuxi Longda metal material Co., Ltd |
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| Abstract: | Six kinds of Cu-Ni alloys with different sulfur contents were investigated at room temperature for tensile properties. The effects of tensile rate and sulfur content on the yield strength, tensile strength, elongation, and reduction of area of the alloys were studied. The changes of metallographic structure with sulfur content were studied by scanning electron microscope (SEM), energy disperse spectroscopy (EDS) and metallographic structure analysis. The distribution and deformation of sulfur precipitate and the influence law for the plasticity of Cu-Ni alloy were analyzed. The origin and occurrence of alloy fracture process and the influence mechanism of sulfur content on plasticity were analyzed, providing a theoretical basis for subsequent cold deformation process. |
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| Keywords: | sulfur content Cu-Ni alloy tensile property analysis |
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