Three-Dimensional Microstructures and Tensile Properties of Pure Iron During Equal Channel Angular P

• 作 者: YANG Gang YANG Mu-xin LIU Zhen
• 机 构: CentralIronandSteelResearchInstitute
• 出 处: 钢铁研究学报：英文版
• 发表日期: 2011年12期
• 关键词: 等通道转角挤压 组织演变 拉伸性能 纯铁 透射电子显微镜 立体 光学显微镜 ECAP iron ECAP UFG microstructure mech
• 基金项目: Item Sponsored by National Natural Science Foundation of China（50971045）

Commercial pure iron billets having diameter of 60 mm and length of 180 mm were subjected to equal channel angular pressing(ECAP) at 350 ℃ for 1 to 4 passes via route Bc.Microstructural evolutions on three planes(X,Y,Z planes) were characterized by optica