不同退火工艺对激光沉积修复TA15钛合金显微组织及力学性能的影响

王洪明; 于皓同; 周松; 安金岚; 王澜斌

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有色金属工程:2025,(1)

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不同退火工艺对激光沉积修复TA15钛合金显微组织及力学性能的影响

(1.上海民航职业技术学院;2.沈阳航空航天大学机电工程学院;3.沈阳航空航天大学航空制造工艺数字化国防重点学科实验室)

Effects of different annealing treatment regimes on the organization and mechanical properties of laser deposition repair of TA15 titanium alloy

Wang Hongming¹, Yu Haotong², Zhou Song³, An Jinlan⁴, Wang Lanbin³

(1.Shanghai Civil Aviation College;2.Shenyang Aerospace University;3.School of Mechanical and Electrical Engineering, Shenyang Aerospace University;4.Key Laboratory of Fundamental Science for National Defense of Aeronautical Digital Manufacturing Process)

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本文已被：浏览 174次下载 110次
投稿时间：2024-04-11 修订日期：2024-05-20

中文摘要: 本文研究了不同退火工艺对激光沉积修复TA15钛合金显微组织及力学性能的影响。结果表明通过不同退火处理后激光沉积修复TA15钛合金的基材区为α相与β相的双态组织,热影响区为异质结构,修复区为网篮组织。拉伸试验结果表明经不同退火处理后试件的断裂机制均为韧性断裂,930℃/1h热处理后的试件获得塑性与强度最优匹配。通过DIC全场应变手段分析发现经不同退火处理后的试样均断裂在激光修复区,修复区决定整体修复试样的力学性能。

中文关键词: 退火处理,激光沉积修复技术,TA15钛合金,显微组织,力学性能

Abstract:In this paper, the effect of different annealing processes on the microstructure and mechanical properties of laser deposition repair TA15 titanium alloy is investigated. The results show that after laser deposition repair of TA15 titanium alloy by different annealing treatments, the base material area is a bimodal organization of α-phase and β-phase, the heat-affected zone is a heterogeneous structure, and the repair area is a net basket organization. The tensile test results show that the fracture mechanism of the specimens after different annealing treatments is plastic fracture, and the specimens after 930℃/1h heat treatment obtain the optimal matching of plasticity and strength. Through the DIC full-field strain analysis, it was found that the specimens after different annealing treatments were fractured in the laser repair zone, and the repair zone determines the mechanical properties of the overall repaired specimens.

keywords: Annealing Treatment, Laser Deposition Restoration Technology,TA15 Titanium Alloy, Microstructure, Mechanical Properties

文章编号：YSJSGC20240231 中图分类号： 文献标志码：

基金项目:国家自然科学基金（52105157）；中国博士后科学基金（2023MD734242）；辽宁省教育厅重点攻关项目（JYTZD2023007）。

作者	单位	E-mail
王洪明	上海民航职业技术学院	E-mail: 375416007@qq.com
于皓同	沈阳航空航天大学机电工程学院	2684369324@qq.com
周松^*	沈阳航空航天大学机电工程学院	E-mail: zhousong23@163.com
安金岚	沈阳航空航天大学航空制造工艺数字化国防重点学科实验室
王澜斌	沈阳航空航天大学机电工程学院

Author Name	Affiliation	E-mail
Wang Hongming	Shanghai Civil Aviation College	E-mail: 375416007@qq.com
Yu Haotong	Shenyang Aerospace University	2684369324@qq.com
Zhou Song	School of Mechanical and Electrical Engineering, Shenyang Aerospace University	E-mail: zhousong23@163.com
An Jinlan	Key Laboratory of Fundamental Science for National Defense of Aeronautical Digital Manufacturing Process
Wang Lanbin	School of Mechanical and Electrical Engineering, Shenyang Aerospace University

引用文本：
王洪明,于皓同,周松,安金岚,王澜斌.不同退火工艺对激光沉积修复TA15钛合金显微组织及力学性能的影响[J].有色金属工程,2025,(1):.
Wang Hongming,Yu Haotong,Zhou Song,An Jinlan,Wang Lanbin.Effects of different annealing treatment regimes on the organization and mechanical properties of laser deposition repair of TA15 titanium alloy[J].NONFERROUS METALS ENGINEERING,2025,(1):.

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