王凯旋,郭萍,毛小南,侯红苗,潘浩,张永强,贾国玉

• 1:西部超导材料科技股份有限公司
• 2:西北有色金属研究院

摘要(Abstract)：

研究了一种新型超塑性钛合金在不同加工条件下的力学性能及显微组织。结果表明:合金棒材经过轧制后的显微组织较原始锻态的组织均匀细小;室温力学性能分析结果表明,轧制棒材的力学性能较锻棒的力学性能优异;棒材超塑性分析结果表明,细化晶粒可改善合金的超塑性能,该合金的最佳超塑性变形温度在750℃左右,最大伸长率达到1164%,超塑性变形机制研究表明对变形起主导作用的是晶界行为和扩散蠕变等共同作用的结果。

关键词(KeyWords)： 超塑性钛合金;微观组织;力学性能;超塑性变形机制

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51471136);; 中法国际合作项目(2015DFA51430)

作者(Author): 王凯旋,郭萍,毛小南,侯红苗,潘浩,张永强,贾国玉

DOI: 10.13289/j.issn.1009-6264.2019-0152

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