固溶温度对β型钛合金组织与拉伸性能的影响

doi:10.13251/j.issn.0254-6051.2026.02.040

金属热处理 ›› 2026, Vol. 51 ›› Issue (2): 272-277.DOI: 10.13251/j.issn.0254-6051.2026.02.040

固溶温度对β型钛合金组织与拉伸性能的影响

李荣¹, 张明玉², 同晓乐², 解炜¹

1.西安汉唐分析检测有限公司, 陕西西安 710000;
2.新疆湘润新材料科技有限公司, 新疆哈密 839000

收稿日期:2025-09-11 修回日期:2025-12-07 发布日期:2026-03-05
通讯作者: 张明玉,高级工程师,博士,E-mail:251826123@qq.com
作者简介:李荣(1984—),男,正高级工程师,硕士,主要研究方向为金属材料评价及表征,E-mail:273647279@qq.com。
基金资助:
哈密高新技术产业园区钛基新材料博士团队引才育才项目(XRKY-XD-25014)

Effect of solution temperature on microstructure and tensile properties of β titanium alloy

Li Rong¹, Zhang Mingyu², Tong Xiaole², Xie Wei¹

1. Xi'an Hantang Analysis and Detection Co., Ltd., Xi'an Shaanxi 710000, China;
2. Xinjiang Xiangrun New Materials Technology Co., Ltd., Hami Xinjiang 839000, China

Received:2025-09-11 Revised:2025-12-07 Published:2026-03-05

摘要/Abstract

摘要： 选取新型β型钛合金作为研究对象,对该合金进行不同工艺的固溶处理,研究固溶温度对该合金组织与拉伸性能的影响。结果表明:固溶温度选在两相区时,合金组织主要由等轴β晶粒以及α析出相构成,并发现组织中的物相主要为α相、β相以及α″相,此时合金的塑性较高,拉伸断口展现出韧性断裂特征,主要呈现为韧窝形貌。固溶温度选在单相区时,组织主要由单一的β晶粒所构成,其物相主要为β相以及α″相,此时合金强度较高,拉伸断口表现出脆性断裂特征。

关键词: β型钛合金, 微观组织, 拉伸性能, 断口形貌

Abstract: A new type of β titanium alloy was solution treated by different processes, and the effect of solution temperature on the microstructure and tensile properties of the alloy was studied. The results show that when the solution temperature is in the two-phase region, the microstructure of the alloy is mainly composed of equiaxed β grains and α precipitated phases, and it is found that the phases in the microstructure are mainly α phase, β phase and α″ phase. The plasticity of the treated alloy is high, and the tensile fracture shows ductile fracture characteristics, mainly showing dimple morphology. When the solution temperature is in the single-phase region, the microstructure is mainly composed of single β grain, and the phases are mainly β phase and α″ phase, the strength of the alloy is high, and the tensile fracture shows brittle fracture characteristics.

Key words: β titanium alloy, microstructure, tensile properties, fracture morphology

中图分类号:

TG156.1

李荣, 张明玉, 同晓乐, 解炜. 固溶温度对β型钛合金组织与拉伸性能的影响[J]. 金属热处理, 2026, 51(2): 272-277.

Li Rong, Zhang Mingyu, Tong Xiaole, Xie Wei. Effect of solution temperature on microstructure and tensile properties of β titanium alloy[J]. Heat Treatment of Metals, 2026, 51(2): 272-277.

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固溶温度对β型钛合金组织与拉伸性能的影响

Effect of solution temperature on microstructure and tensile properties of β titanium alloy

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