大塑性变形Ag-20wt%Cu复合材料的电学性能

贵金属, 2008, 29(2): 19-61. doi: 10.3969/j.issn.1004-0676.2008.02.005

大塑性变形Ag-20wt%Cu复合材料的电学性能

耿永红 ^1, , 郭迎春 ^2, , 张吉明 ^3, , 管伟明 ^4, , 陈松 ^5, , 张昆华 ^6,

1.昆明贵金属研究所,云南,昆明,650106

2.昆明贵金属研究所,云南,昆明,650106

3.昆明贵金属研究所,云南,昆明,650106

4.昆明贵金属研究所,云南,昆明,650106

5.昆明贵金属研究所,云南,昆明,650106

6.昆明贵金属研究所,云南,昆明,650106

基金项目: 云南省中青年学术与技术带头人培养基金(2006py01-42) 云南省科研院所技术开发研究专项(2002KFZX-31)

关键词：复合材料 , 大塑性变形 , Ag基复合材料 , 电学性能

Study on Electric Properties of Severe Plastic Deformation Processed Ag-20wt%Cu Composites

通过大塑性变形方法制备了Ag-20Cu复合材料,研究了其不同应变条件下的微观组织结构和电学性能,讨论了应变程度对电学性能的影响.在现有理论的基础上,推导出了真实应变η与电学性能的关系.研究结果表明:实验值与理论预测值有较好的一致性.最后讨论了该理论公式的实用性和实际意义.

参考文献

[1]	ZHONGYUN FAN .A NEW APPROACH TO THE ELECTRICAL RESISTIVITY OF TWO-PHASE COMPOSITES[J].Acta Metallurgica et Materialia,1995(1):43-49.
[2]	Frank Heringhaus;Hans-Jorg Schneider-Muntau;Gunter Gottstein .Analytical modeling of the electrical conductivity of metal matrix composites: application to Ag-Cu and Cu-Nb[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):9-20.
[3]	Song J S;Hong S I;Park Y G .Deformation processing and strenth/conductivity properties of Cu-Fe-Ag microcomposites[J].Journal of Alloys and Compounds,2005,388:69-74.
[4]	Raabe D;Miyake K;Takahara H .Processing,microstructure,and properties of ternary high-trength Cu-Cr-Ag in situ composites[J].Materials Science and Engineering,2000,A291:186-197.
[5]	Han K;Embury J D;Sims J R et al.The fabrication,properties and microstructure of Cu-Ag and Cu-Nb composites conductors[J].Materials Science and Engineering,1999,A267:99-114.
[6]	Y.SAKAI;H.-J.SCHNEIDER-MUNTAU .ULTRA-HIGH STRENGTH, HIGH CONDUCTIVITY Cu-Ag ALLOY WIRES[J].Acta materialia,1997(3):1017-1023.
[7]	宁远涛,张晓辉,张婕.大变形Cu-10Ag原位纳米纤维复合材料[J].稀有金属材料与工程,2005(12):1930-1934.
[8]	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.
[9]	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.
[10]	闻明,管伟明,张昆华,秦国义.Ag/Cu/Fe系层状复合材料的制备及性能[J].贵金属,2004(04):35-39.
[11]	张雷,孟亮.应变程度对Cu-12%Ag合金纤维相形成及导电性能的影响[J].金属学报,2005(03):255-259.
[12]	漏卫娟,张雷,孟亮.应变过程中Cu-6%Ag合金的组织纤维化及导电特性[J].稀有金属材料与工程,2006(z2):374-377.
[13]	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.
[14]	Karasek K R;Bevk J .Normal-state resistivity of in situ-formed ultrafine filamentary Cu-Ag composites[J].Applied Physics,1981,52(03):1370-1375.
[15]	Dingle R B .The electrical conductivity of thin wires[J].Proc Soc London Ser A,1950,201:545-560.
[16]	Sondheimer E H.The mean free path of electrons in metals[J].Advances in Physics,1952(01):1-45.

上一张下一张

计量

下载量()
访问量()

作者相关

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

大塑性变形Ag-20wt%Cu复合材料的电学性能

Study on Electric Properties of Severe Plastic Deformation Processed Ag-20wt%Cu Composites

参考文献