欧阳德来,崔霞,鲁世强,朱慧安,杜海明

• 1:南昌航空大学材料科学与工程学院
• 2:江西师范大学环境艺术学院

摘要(Abstract)：

通过二次开发将晶体塑性滑移模型嵌入ABAQUS商业软件,对TC21钛合金筒形件旋压织构演变进行了有限元数值模拟,研究了旋压工艺参数对合金筒形件旋压织构组分和织构强度的影响。结果表明,实验与模拟结果对比显示出采用晶体塑性模型模拟织构演变时具有较高可靠性。减薄率显著影响旋压织构的组分和强度,当减薄率<25%时,织构组分主要为■,当减薄率>30%时,织构组分主要为■及■织构,且织构强度随减薄率增加而增大。主轴转速和进给速度不明显改变织构组分,主要为■及■纤维织构。随主轴转速和进给速度增加,■及■织构强度增大。

关键词(KeyWords)： TC21钛合金;筒形件旋压;有限元数值模拟;织构

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51761029,51864035);; 江西省自然科学基金(20202BABL204011,20202BABL204007)

作者(Author): 欧阳德来,崔霞,鲁世强,朱慧安,杜海明

DOI: 10.13289/j.issn.1009-6264.2020-0478

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