制备了Cu-10Ag合金及其原位纤维复合材料,观察与研究了铸态和形变态合金及复合材料的显微结构.铸态合金由Ag沉淀、(Cu+Ag)共晶和Cu基体组成,其Ag相通过变形逐步形成纳米尺度Ag纤维,其平均直径可用真实应变η的幂指数d=d0·exp(-0.228η)拟合.复合材料的形变过程包含了滑移、孪生、位错增生与迁移以及Ag纤维与Cu基体间形成的共格位相关系和立方-立方协同形变机制.
参考文献
| [1] | Sakai Y;Inoue K;Asano T et al.Development of high-strength,high-conductivity Cu-Ag alloys for high -field pulsed magnet use[J].Applied Physics Letters,1991,59(23):2965. |
| [2] | Y.SAKAI;H.-J.SCHNEIDER-MUNTAU .ULTRA-HIGH STRENGTH, HIGH CONDUCTIVITY Cu-Ag ALLOY WIRES[J].Acta materialia,1997(3):1017-1023. |
| [3] | Benghalem A;Morris D C .Microstructure and strength of wire-draw Cu-Ag filamentary composites[J].Acta Materialia,1997,45(01):397. |
| [4] | Hong S I;Hill M A .Microstructure stability and mechanical response of Cu-Ag microcomposite wires[J].Acta Materialia,1998,46(12):4111. |
| [5] | Hong, SI;Hill, MA .Mechanical stability and electrical conductivity of Cu-Ag filamentary microcomposites[J].Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing,1999(1-2):151-158. |
| [6] | 张晓辉,宁远涛,李永年,戴红.凝固速率对Cu-Ag原位纤维复合材料性能的影响[J].贵金属,2002(01):19-25. |
| [7] | 张晓辉,宁远涛,李永年,戴红,杨家明.大变形Cu-10Ag原位纤维复合材料的结构和性能[J].中国有色金属学报,2002(01):115-119. |
| [8] | 宁远涛,张晓辉,张婕.大变形Cu-Ag合金原位纤维复合材料的稳定性[J].中国有色金属学报,2005(04):506-512. |
| [9] | 宁远涛,张晓辉,秦国义,张婕.不同凝固条件制备的Cu-Ag合金原位纤维复合材料的结构与性质[J].贵金属,2005(03):39-50. |
| [10] | NING Yuan-tao,ZHANG Xiao-hui,ZHANG Jie.Influence of thermomechanical processing on the structure and properties of Cu-Ag alloy in situ composites[J].广东有色金属学报,2005(02):521-529. |
| [11] | Ning Yuantao;Zhang Xiaohui;Qin Guoyi .Influence of cerium addition on the microstructure and properties of Cu-Ag alloy in situ filamentary composites[J].Journal of Rare Earths,2005,23(zk):392-398. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%