欢迎登录材料期刊网

材料期刊网

高级检索

采用冷拉拔与冷轧相结合的变形方式将Cu-15Cr-0.24Zr合金制备成纤维增强复合薄板材料.采用扫描电子显微镜(SEM)对不同变形量下Cr纤维的形态进行观察,利用拉力试验机和电阻率测试仪对不同变形量下的薄板材料进行抗拉强度和电阻率测试.结果表明:冷拔变形量为5.18时,枝晶Cr已经具备了纤维的基本形貌,但纤维不连续,呈竹叶状;冷轧变形量为91.6%时,形成了均匀、连续的Cr纤维,并且由竹叶状演变为板条状;在冷轧变形量为91.6%时,成功制备出抗拉强度大于800 MPa,导电率大于70% IACS的Cu-15Cr-0.24Zr薄板材料.

参考文献

[1] 陈小红,刘平,田保红,张毅,刘勇,贾淑果,任凤章.Cu-Cr原位复合材料组织性能研究[J].材料热处理学报,2007(z1):288-291.
[2] QIANG LIU;XIANG ZHANG;YAN GE .Effect of Processing and Heat Treatment on Behavior of Cu-Cr-Zr Alloys to Railway Contact Wire[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2006(11):3233-3238.
[3] J.S. Song;H.S. Kim;C.T. Lee .Deformation processing and mechanical properties of Cu-Cr-X (X=Ag or Co) microcomposites[J].Journal of Materials Processing Technology,2002(0):272-277.
[4] Hong S.I.; .Effect of Nb content on the strength of Cu-Nb filamentary microcomposites[J].Journal of Materials Research,2000(9):1889-1893.
[5] J.B. Liu;L. Meng;Y.W. Zeng .Microstructure evolution and properties of Cu-Ag microcomposites with different Ag content[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(0):237-244.
[6] D. Raabe;S. Ohsaki;K. Hono .Mechanical alloying and amorphization in Cu-Nb-Ag in situ composite wires studied by transmission electron microscopy and atom probe tomography[J].Acta materialia,2009(17):5254-5263.
[7] Shigeki Skai;Hirowo G. Suzuki;Kuniteru Mihara .Effect of Sn Addition on the Mechanical and Electrical Properties of Cu-15 percent Cr In-Situ Composites[J].Materials transactions,2003(2):232-238.
[8] 陈小红,刘平,田保红,张毅,贾淑果,任凤章,井晓天.微合金化对Cu-15Cr原位复合材料组织和性能的影响[J].材料热处理学报,2009(02):44-48.
[9] 邓鉴棋,张修庆,尚淑珍,赵祖欣,叶以富.Cu-10Cr-0.4Zr形变原位复合材料的组织演变特征[J].材料工程,2010(04):59-62,68.
[10] 陈小红,刘平,田保红,张毅,贾淑果,任凤章,井晓天.Cu-15Cr-0.1Zr原位复合材料中纤维相的组织演变[J].功能材料,2008(12):2011-2014.
[11] S. I. Hong .MECHANICAL PROPERTIES OF Cu-Nb MICROCOMPOSITES FABRICATED BY THE BUNDLING AND DRAWING PROCESS[J].Scripta materialia,2000(8):737-742.
[12] 毕莉明,刘平,陈小红,刘新宽,李伟,马凤仓.冷轧Cu-15Cr原位复合材料性能及Cr纤维相高温稳定性[J].中国有色金属学报,2012(04):1068-1074.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%