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| 高强高导Cu-0.1Ag-0.11Cr合金的强化机制 | |
| 引用本文： | 贾淑果,刘平,田保红,郑茂盛,周根树,娄花芬. 高强高导Cu-0.1Ag-0.11Cr合金的强化机制[J]. 中国有色金属学报, 2004, 14(7): 1144-1148 |
| 作者姓名： | 贾淑果 刘平 田保红 郑茂盛 周根树 娄花芬 |
| 作者单位： | 1. 西安交通大学,材料科学与工程学院,西安,710049;河南科技大学,材料科学与工程学院,洛阳,471039 2. 河南科技大学,材料科学与工程学院,洛阳,471039 3. 西安交通大学,材料科学与工程学院,西安,710049 4. 洛阳铜加工厂,洛阳,471039 |
| 基金项目： | 国家高技术研究发展计划(863计划) |
| 摘 要： | Cu-Ag-Cr合金是一种高强度高电导新型材料.采用真空熔炼的方法制备了Cu-Ag-Cr合金,经合适的工艺处理后,在电导率基本上不降低的前提下,能显著提高合金的强度和硬度,抗拉强度达到529 MPa,电导率为92.11%(IACS),基本满足对铜合金高强高导的性能要求.在同样条件下,与Cu-Ag合金相比,其强度和硬度的提高主要是由共格析出强化造成,由于析出相尺寸较大,以Orowan机制强化,强化效应与采用Orowan强化机制计算的结果非常接近. |
| 关 键 词： | Cu-Ag-Cr合金 强化机制 高强度 高电导 |
| 文章编号： | 1004-0609(2004)07-1144-05 |
| 修稿时间： | 2003-10-10 |
Strengthening mechanism in high-strength and high-conductivity Cu-0.1Ag-0.11Cr alloy |
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| JIA Shu-guo. Strengthening mechanism in high-strength and high-conductivity Cu-0.1Ag-0.11Cr alloy[J]. The Chinese Journal of Nonferrous Metals, 2004, 14(7): 1144-1148 | |
| Authors: | JIA Shu-guo |
| Affiliation: | JIA Shu-guo~ |
| Abstract: | Cu-Ag-Cr alloy with high-strength and high conductivity is a new wire material. By means of a vacuum induction melting, Cu-Ag-Cr alloy was produced. After proper heat-treatment processes, the strength and hardness of the alloy were remarkably improved while the conductivity only had a little decrease. Tensile strength is enhanced to about 529 MPa and the conductivity remains 92.11%(IACS) which shows that the alloy can meet the demand of high-strength and high conductivity. Compared with Cu-Ag alloy under the same test conditions, the coherent precipitation hardening is proved to be the major factors that improve the strength and hardness of the alloy. Because of the larger sizes of the precipitated phase, an Orowan strengthening mechanism is operated. The degree of coherent strengthening is almost identical with the calculated one by Orowan strengthening theory. |
| Keywords: | Cu-Ag-Cr alloy strengthening mechanism high-strength high conductivity |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |