为了获得均匀的深度塑性变形纯铜织构组织,分别采用异步叠轧法和同步叠轧法制备纯铜试样.用X射线衍射极图法测量织构沿样品板厚方向的分布.结果表明,异步叠轧试样近表层的变形织构是{100}<011>剪切织构,同步叠轧试样的变形织构是{211}<111>铜织构,异步叠轧和同步叠轧试样里面各层的变形织构都是铜织构,并且强度非常接近,变形织构沿中心层呈对称分布;当真应变大于4.2时,增加应变对变形织构的组分和强度几乎没有影响;在叠轧中相邻2层的界面限制了晶粒的变形范围,使变形织构组织更均匀.
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