| 固溶时效处理对Ti-6Al-4V ELI钛合金准静态和动态力学性能的影响 |
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| 引用本文： | 高学敏,王晗,王可迪,何宇鹏,程东松. 固溶时效处理对Ti-6Al-4V ELI钛合金准静态和动态力学性能的影响[J]. 金属热处理, 2022, 47(11): 87-90. DOI: 10.13251/j.issn.0254-6051.2022.11.014 |
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| 作者姓名： | 高学敏 王晗 王可迪 何宇鹏 程东松 |
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| 作者单位： | 1.河南省紧固连接技术重点实验室, 河南 信阳 464000; 2.河南航天精工制造有限公司, 河南 信阳 464000; 3.西安交通大学 航天航空学院 极端环境与防护技术联合研究中心, 陕西 西安 710049 |
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| 基金项目： | 河南省紧固连接技术重点实验室开放基金(JGLJ2102) |
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| 摘 要： | 采用万能力学试验机及霍普金森压杆试验研究了固溶和时效处理对Ti-6Al-4V ELI钛合金准静态拉伸性能和动态压缩性能的影响。结果表明,Ti-6Al-4V ELI钛合金经固溶时效处理后(固溶温度941 ℃),其屈服强度可达1097 MPa以上,抗拉强度可达1167 MPa以上。相比热处理前的Ti-6Al-4V ELI钛合金,强度显著提升,而且塑性指标也维持在较高水平。同时,不同应变速率下Ti-6Al-4V ELI钛合金的动态压缩性能提升明显,动态压缩强度和应变速率的对数呈线性关系,且随着应变速率的增加而增大。
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| 关 键 词： | 固溶时效处理 Ti-6Al-4VELI钛合金 拉伸性能 动态压缩性能 |
| 收稿时间： | 2022-06-14 |
Effects of solution and aging treatment on quasi-static and dynamic mechanical properties of Ti-6Al-4V ELI titanium alloy |
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| Gao Xuemin,Wang Han,Wang Kedi,He Yupeng,Cheng Dongsong. Effects of solution and aging treatment on quasi-static and dynamic mechanical properties of Ti-6Al-4V ELI titanium alloy[J]. Heat Treatment of Metals, 2022, 47(11): 87-90. DOI: 10.13251/j.issn.0254-6051.2022.11.014 |
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| Authors: | Gao Xuemin Wang Han Wang Kedi He Yupeng Cheng Dongsong |
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| Affiliation: | 1. Henan Key Laboratory of Fastening Connection Technology, Xinyang Henan 464000, China; 2. Henan Aerospace Precision Machining Co., Ltd., Xinyang Henan 464000, China; 3. Joint Research Center for Extreme Environment and Protection Technology, School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an Shaanxi 710049, China |
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| Abstract: | Effect of solution and aging treatment on quasi-static tensile properties and dynamic compressive properties of the Ti-6Al-4V ELI titanium alloy was studied by means of universal mechanical testing machine and Hopkinson pressure bar test. The results show that after solution and aging treatment (solution temperature of 941 ℃), the yield strength and tensile strength can reach more than 1097 MPa and 1167 MPa, respectively. Compared with Ti-6Al-4V ELI titanium alloy before heat treatment, the strength is significantly improved and the plasticity indexes are maintained at a higher level. Meanwhile, the dynamic compression properties of the Ti-6Al-4V ELI titanium alloy is significantly improved at different strain rates. The relationship between the dynamic compression strength and the lgε· is linear, and the dynamic compression strength increases with the increase of strain rate. |
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| Keywords: | solution and aging treatment Ti-6Al-4V ELI titanium alloy tensile properties dynamic compression properties |
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