王忠堂,张士宏,宋鸿武,程明,李德富

• 1:沈阳理工大学材料科学与工程学院
• 2:中国科学院金属研究所
• 3:北京有色金属研究总院

摘要(Abstract)：

采用等温压缩实验研究具有马氏体组织的TC11钛合金(Ti-6.5Al-1.5Zr)在两相区的变形行为及微观组织演变规律。等温压缩实验的变形温度为920～980℃,应变速率为0.1～10s-1,变形量为30%～70%。基于动态材料模型(DMM),建立了具有马氏体组织的TC11钛合金两相区变形的热加工图。根据热加工图,得到了具有马氏体组织的TC11钛合金两相区变形组织演变规律。具有马氏体组织的TC11钛合金两相区变形时,合适的加工工艺参数为变形温度950～980℃,应变速率为0.1～1.0s-1。

关键词(KeyWords)： 钛合金;TC11;热加工图;组织演变

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金重点项目(50834008)

作者(Author): 王忠堂,张士宏,宋鸿武,程明,李德富

DOI: 10.13289/j.issn.1009-6264.2013.02.029

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