换向轧制对TA1纯钛组织与性能一致性的影响

doi:10.13251/j.issn.0254-6051.2025.10.032

金属热处理 ›› 2025, Vol. 50 ›› Issue (10): 206-213.DOI: 10.13251/j.issn.0254-6051.2025.10.032

换向轧制对TA1纯钛组织与性能一致性的影响

田云飞¹, 何小龙², 王庆娟³, 薛少博¹, 王国栋¹, 任军帅¹, 苏燕妮¹

1.西北有色金属研究院, 陕西西安 710016;
2.西安航天发动机有限公司, 陕西西安 710000;
3.西安建筑科技大学冶金工程学院, 陕西西安 710055

收稿日期:2025-03-27 修回日期:2025-07-29 出版日期:2025-10-25 发布日期:2025-11-04
作者简介:田云飞(1988—),男,工程师,主要研究方向为钛及钛合金轧制,E-mail: 1064541855@qq.com

Influence of reversing rolling on consistency of microstructure and properties of TA1 pure titanium

Tian Yunfei¹, He Xiaolong², Wang Qingjuan³, Xue Shaobo¹, Wang Guodong¹, Ren Junshuai¹, Su Yanni¹

1. Northwest Institute for Nonferrous Metal Research, Xi'an Shaanxi 710016, China;
2. Xi'an Space Engine Factory, Xi'an Shaanxi 710000, China;
3. School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an Shaanxi 710055, China

Received:2025-03-27 Revised:2025-07-29 Online:2025-10-25 Published:2025-11-04

摘要/Abstract

摘要： 采用EBSD及拉伸试验对不同热轧制度下TA1纯钛板材的微观组织、织构和力学性能进行表征和测试,分析了TA1纯钛板材在热轧过程中的组织演变过程以及变形方式对力学性能的影响。结果表明,TA1纯钛板材在单向热轧时,横向和纵向组织呈现典型轧制特征,晶粒尺寸和织构存在显著差异,致使横向和纵向力学性能异性。换向轧制可有效改善TA1纯钛板材组织和力学性能的各向异性。在换向热轧60%+50%变形量分配时,TA1纯钛板横向和纵向的晶粒尺寸、织构类型、取向密度分布和力学性能均表现出最好的一致性,织构为<0001>//ND织构。然而,与单向轧制相比,换向热轧降低了板材整体的强度。

关键词: TA1纯钛, 换向轧制, 组织, 性能, 一致性

Abstract: Microstructure, texture and mechanical properties of TA1 pure titanium plate rolled under different deformation systems were characterized and tested by means of electron backscatter diffraction (EBSD) and tensile test. The microstructure evolution of the TA1 pure titanium plate during hot rolling process and the influence of deformation mode on the mechanical properties were analyzed. The results show that after one-way hot rolling, the transverse and longitudinal microstructures of the TA1 pure titanium plate exhibit typical rolling characteristics, which show significant differences in grain size and texture, resulting in mechanical properties anisotropy. The reversing hot rolling can effectively improve the anisotropy of microstructure and mechanical properties of the TA1 pure titanium plate. The transverse and longitudinal grain sizes, texture types, orientation density distributions and mechanical properties of the TA1 pure titanium plate after reversing hot rolling with the deformation assignment of 60%+50% all show the best consistency, and the texture is <0001>//ND texture. However, compared with one-way hot rolling, the reversing hot rolling reduces the overall strength of the plate.

Key words: TA1 pure titanium, reversing rolling, microstructure, properties, consistency

中图分类号:

TG146.2

田云飞, 何小龙, 王庆娟, 薛少博, 王国栋, 任军帅, 苏燕妮. 换向轧制对TA1纯钛组织与性能一致性的影响[J]. 金属热处理, 2025, 50(10): 206-213.

Tian Yunfei, He Xiaolong, Wang Qingjuan, Xue Shaobo, Wang Guodong, Ren Junshuai, Su Yanni. Influence of reversing rolling on consistency of microstructure and properties of TA1 pure titanium[J]. Heat Treatment of Metals, 2025, 50(10): 206-213.

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换向轧制对TA1纯钛组织与性能一致性的影响

Influence of reversing rolling on consistency of microstructure and properties of TA1 pure titanium

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