Cu-0.35Cr-0.15Zr合金板带的织构和性能研究

稀有金属材料与工程, 2009, 38(z1): 588-593.

Cu-0.35Cr-0.15Zr合金板带的织构和性能研究

慕思国 ^1, , 朱永兵 ^2, , 郭富安 ^3, , 唐谟堂 ^4, , 向朝建 ^5, , 曹兴民 ^6,

1.中南大学,湖南,长沙,410083;苏州有色金属研究院,江苏,苏州,215026

2.苏州有色金属研究院,江苏,苏州,215026

3.苏州有色金属研究院,江苏,苏州,215026

4.中南大学,湖南,长沙,410083

5.苏州有色金属研究院,江苏,苏州,215026

6.苏州有色金属研究院,江苏,苏州,215026

基金项目: 中国铝业公司科技资助项目(2007KJA10)

关键词： Cu-Cr-Zr合金 , 织构演变 , 性能

Study on Texture Evolution and Properties of the Cu-0.35Cr-0.15Zr Alloy during Thermomechanical Treatment

采用晶体取向分布函数(ODF)研究了不同形变热处理制度下Cu-0.35Cr-0.15Zr(质量分数,下同)合金板带织构的演变规律,对各取向的体积分数进行了分析和计算,检测了不同状态材料在0°,45°和90°方向上的力学和物理性能.研究结果表明:在该合金冷轧板中主要有以{113}<332>取向为主的Copper织构、Brass取向、S取向和Goss取向,且随着冷变量的增加.Copper取向逐渐向Brass取向转变:时效态的带材中织构较弱,以Brass取向为主,S取向次之,Copper取向最弱,没有发现Copper织构的{113}<332>取向;时效态试样经过冷变形后,带材中又出现了{113}<332>取向,并且体积分数达60%以上.当带材中主要为Copper织构时.在0°→90°方向上合金的抗拉强度和延伸率逐渐升高,导电率逐渐降低;当Copper取向和Brass取向体积分数相当时,在0°→90°方向上,合金强度、延伸率和导电率的差别较小.

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