Research Progress in Defect and Microstructure of As-Built Selective Laser Melting Ti–6Al–4V Titanium Alloy

LI Chen; MI Guangbao; FENG Aihan; HUANG Xu; QU Shoujiang

doi:10.16080/j.issn1671-833x.2021.03.044

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Research Progress in Defect and Microstructure of As-Built Selective Laser Melting Ti–6Al–4V Titanium Alloy

更新时间：2025-10-30

- Research Progress in Defect and Microstructure of As-Built Selective Laser Melting Ti–6Al–4V Titanium Alloy
- Aeronautical Manufacturing Technology Vol. 64, Issue 3, Pages: 44-51(2021)
- 作者机构：
  
  1. 同济大学材料科学与工程学院,上海,200092
  2. 中国航发北京航空材料研究院先进钛合金重点实验室,北京,100095
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2021.03.044
  CLC：
- Published：2021
- 稿件说明：
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李琛，弭光宝，冯艾寒，黄旭，曲寿江. 成形态选区激光熔融 Ti-6Al-4V 钛合金缺陷与微观组织研究进展[J]. 航空制造技术, 2021, 64(3): 44-51.

LI Chen,MI Guangbao,FENG Aihan,HUANG Xu,QU Shoujiang. Research Progress in Defect and Microstructure of As-Built Selective Laser Melting Ti–6Al–4V Titanium Alloy. 航空制造技术, 2021, 64(3): 44-51.
李琛，弭光宝，冯艾寒，黄旭，曲寿江. 成形态选区激光熔融 Ti-6Al-4V 钛合金缺陷与微观组织研究进展[J]. 航空制造技术, 2021, 64(3): 44-51. DOI： 10.16080/j.issn1671-833x.2021.03.044.

LI Chen,MI Guangbao,FENG Aihan,HUANG Xu,QU Shoujiang. Research Progress in Defect and Microstructure of As-Built Selective Laser Melting Ti–6Al–4V Titanium Alloy. 航空制造技术, 2021, 64(3): 44-51. DOI： 10.16080/j.issn1671-833x.2021.03.044.

摘要

选区激光熔融 (Selective laser melting，SLM) 近年来在钛合金制造领域应用广泛，然而，其性能受限于工艺缺陷和马氏体组织特征。综述了 SLM 技术下成形态 Ti–6Al–4V 合金的缺陷和微观组织研究进展，包括缺陷和微观组织类型、调节 SLM 工艺参数对减少缺陷和改善微观组织的作用以及基于变体选择的 β→α 相变研究。在综述目前研究的基础上，指出完善工艺参数与组织特征联系以及研究工艺参数对相变变体选择的影响是今后研究的重要方向。

Abstract

Selective laser melting (SLM) has been widely used in production of titanium alloy parts in recent years

but its performance is limited by process defects and martensite microstructure. The research progress of defects and microstructure of as-built SLM–Ti–6Al–4V was summarized

including defects types and microstructure types

the effect of adjusting process parameters on reducing defect and regulating microstructure

and the β→α phase transformation research based on variant selection. Based on the main research mentioned above

improving the relationship between process parameters and microstructure characteristics and studing the influence of process parameters on phase transformation variant selection will be the focused directions in the further research.

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