Influence of Heat Treatment on Mechanical Properties of TA15 Titanium Alloy Fabricated by Laser Additive Manufacturing

GU Meibang

doi:10.16080/j.issn1671-833x.2021.03.097

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Influence of Heat Treatment on Mechanical Properties of TA15 Titanium Alloy Fabricated by Laser Additive Manufacturing

更新时间：2025-10-30

- Influence of Heat Treatment on Mechanical Properties of TA15 Titanium Alloy Fabricated by Laser Additive Manufacturing
- Aeronautical Manufacturing Technology Vol. 64, Issue 3, Pages: 97-102(2021)
- 作者机构：
  
  海装沈阳局驻沈阳地区第一军事代表室,沈阳,110031
- 作者简介：
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- DOI：10.16080/j.issn1671-833x.2021.03.097
  CLC：
- Published：2021
- 稿件说明：
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谷美邦. 热处理制度对激光增材制造TA15钛合金力学性能的影响[J]. 航空制造技术, 2021, 64(3): 97-102.

GU Meibang. Influence of Heat Treatment on Mechanical Properties of TA15 Titanium Alloy Fabricated by Laser Additive Manufacturing. 航空制造技术, 2021, 64(3): 97-102.
谷美邦. 热处理制度对激光增材制造TA15钛合金力学性能的影响[J]. 航空制造技术, 2021, 64(3): 97-102. DOI： 10.16080/j.issn1671-833x.2021.03.097.

GU Meibang. Influence of Heat Treatment on Mechanical Properties of TA15 Titanium Alloy Fabricated by Laser Additive Manufacturing. 航空制造技术, 2021, 64(3): 97-102. DOI： 10.16080/j.issn1671-833x.2021.03.097.

摘要

进行了普通退火态和双重退火态激光增材制造 TA15 钛合金显微组织观察和力学性能试验。试验结果表明：普通退火态为细片层 α+β 超细网篮组织，双重退火态为端部带根须状形貌的初生 α 相 + 超细 β 转变组织构成的特种双态组织；普通退火态激光增材制造 TA15 钛合金极限强度、屈服强度和疲劳极限均优于双重退火态；双重退火态激光增材制造 TA15 钛合金具有较好的塑性和优异的断裂韧性。

Abstract

This paper focused on studying the microstructure and mechanical properties of TA15 titanium alloy fabricated by laser additive manufacturing after normal annealing treatment and double anealing treatment. The results indicate that TA15 alloy has a super fine basketweave microstructure after normal annealing treatment

and which will change to a bi-modal microstructure with a crab-like primary α phase with super fine transformed β phase after double annealing treatment. The ultimate strength

yield strength and fatigue limit of the alloy after normal annealing heat treatment are better than the alloy’s after double annealing treatment. But the plasticity and fracture toughness of the alloy after double annealing treatment are superior to those of the alloy after normal annealing heat treatment

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Related Institution

Research Institute for Frontier Science, Beihang University

National Engineering Laboratory of Additive Manufacturing for Large Metallic Components, Beihang University

Ningbo Institute of Technology, Beihang University

State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University

State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University

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