彭轩强,李可尔,李瑞,王小翔,陈威

• 1:西安交通大学金属材料强度国家重点实验室
• 2:宝鸡钛业股份有限公司

摘要(Abstract)：

研究了不同温度固溶处理的Ti6321合金在室温和低温下的拉伸性能。结果表明:Ti6321合金在低温下的拉伸性能显著优于室温条件,不仅强度得到了明显提升,塑性也同样有所增强;特别地,经过870℃固溶处理1 h的样品在低温拉伸测试中表现最佳,其屈服强度高达1349 MPa,抗拉强度达到1497 MPa,同时断后伸长率保持在27.6%的较高水平;Ti6321合金在低温拉伸条件下的断口呈现出典型的韧性断裂特征;低温环境拉伸过程中激发的大量形变孪晶是同时提升合金强度与塑性的关键因素。

关键词(KeyWords)： Ti6321合金;低温拉伸;孪生变形;强塑化

Abstract:

Keywords:

基金项目(Foundation): 西安交通大学-陕西有色金属集团产业创新研究院专项资金资助课题(XY2023052)

作者(Author): 彭轩强,李可尔,李瑞,王小翔,陈威

DOI: 10.13289/j.issn.1009-6264.2024-0491

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