张毅,刘平,田保红,贾淑果,陈小红

• 1:西安理工大学材料科学与工程学院
• 2:上海理工大学电功能材料研究所
• 3:河南科技大学材料科学与工程学院
• 4:河南科技大学材料科学与工程学院

摘要(Abstract)：

通过冷变形拉拔结合中间热处理制备了纤维相增强的Cu-15wt%Cr合金,研究了变形过程对组织形态和力学性能的影响。用SEM观察分析了材料的组织结构。研究表明,通过形变原位复合技术,可以获得抗拉强度大于1000MPa,导电率大于71%IACS的形变Cu-15wt%Cr原位复合材料。通过控制形变量以及调整中间热处理和稳定化热处理规范,可以获得不同强度和导电率的组合。形变量越大,纤维越均匀细化。力学性能和电阻率测试结果表明,随形变量增加,强度提高,同时电阻率增大。

关键词(KeyWords)： Cu-15wt%Cr合金;形变原位复合材料;强度;纤维组织;电阻率

Abstract:

Keywords:

基金项目(Foundation): 国家高新技术研究发展计划(863计划)资助项目(2006AA03Z528);; 国家自然科学基金(50571035);; 河南省杰出青年基金(0521001200)

作者(Author): 张毅,刘平,田保红,贾淑果,陈小红

参考文献(References)：

• [1]张晓辉,宁远涛,李永年,等.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,2002,12(1):115-119.ZHANG Xiao-hui,NING Yuan-tao,LI Yong-nian,et al.Microstructure and properties of heavily deformed Cu-10Ag in-situ filamentary composite[J].TheChinese Journal of Nonferrous Metals,2002,12(1):115-119.
• [2]葛继平,姚再起,刘书华.合金元素对形变Cu-Fe原位复合材料性能的影响[J].材料热处理学报,2005,26(1):14-20.GEJi-ping,YAO Zai-qi,LIUShu-hua.Effect of alloying elements on properties of deformation-processed Cu-Fe in situ composites[J].Trans Metar HeatTreat,2005,26(1):14-20.
• [3]姚再起,葛继平,刘书华.形变Cu-11.5%Fe原位复合材料的强度和导电性[J].复合材料学报,2005,22(3):121-125.YAOZai-qi,GEJi-ping,LIUShu-hua.Strength and conductivity of deformation-processed Cu-11.5%Fe in situ composite[J].Acta Materiae CompositaeSinica,2005,22(3):121-125.
• [4]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,2005,15(4):506-512.NINGYuan-tao,ZHANG Xiao-hui,ZHANG Jie.Stability of heavy deformed Cu-Ag alloyin situ filamentary composites[J].The Chinese Journal ofNonferrous Metals,2005,15(4):506-512.
• [5]张雷,孟亮.纤维相强化Cu-12%Ag合金的组织和力学性能[J].中国有色金属学报,2005,15(5):751-756.ZHANGLei,MENGLiang.Microstructure and mechanical properties of Cu-12%Ag filamentary composite[J].The Chinese Journal of Nonferrous Metals,2005,15(5):751-756.
• [6]李振铎,张雷,孟亮.稀土元素对Cu-6%Ag及Cu-24%Ag合金微观组织的影响[J].中国稀土学报,2005,33(3):334-338.LI Zhen-duo,ZHANGLei,MENGLiang.Effect of rare earth elements on microstructure of Cu-6%Ag and Cu-24%Ag alloys[J].Journal of The ChineseRare Earth Society,2005,33(3):334-338.
• [7]宁远涛,张晓辉,秦国义,等.制备工艺对Cu-Ag合金原位复合材料结构与性能的影响[J].稀有金属,2005,29(4):442-447.NING Yuan-tao,ZHANG Xiao-hui,QINGuo-yi,et al.Influence of preparationtechnology on structure and properties of Cu-Ag alloyin situ composites[J].Chinese Journal of Rare Metals,2005,29(4):442-447.
• [8]Shoujin Sun,Shigeki Sakai,Suzuki HG.Effect of Si onthe microstructure and mechanical properties of as drawn Cu-15Cr in situ composites[J].MaterialsScience and Engineering,2001,A303:187-196.
• [9]Sakai Y,Inoue K,Asano T,et al.Devdopment of ahigh-strength high conductivity copper-si lver alloyfor pulsed magnets[J].IEEETrans Megn,1992,28(1):888-891.
• [10]孙世清,于艳菊.形变铜基复合材料研究进展[J].热加工工艺,2003,6:50-52.SUNShi-qing,YUYan-ju.Reviewon deformation-processed copper based composite[J].Hot Working Technology,2003,6:50-52.
• [11]Shigeki Skai,Suzuki HG,Mihara K,et al.Effect of Sn addition onthe mechanical and electrical properties of Cu-15%Cr in-situ composites[J].MaterialsTransaction,2003,44(2):232-238.
• [12]Han K,EmburyJ D,Sims J R,et al.Thefabrication,properties and microstructure of Cu-Agand Cu-Nbcomposite conductors[J].Mater Sci Eng A,1999,267(L):99.
• [13]Filguria M,Pinatti DP.Insitu diamond wires PartⅠ.The Cu-15vol%Nb highstrengthcable[J].Journal of Material Processing Technology,2002,128:191-195.

文章评论(Comment)：