Additive Manufacturing of Aerospace Titanium Alloys: Opportunities and Challenges

CHEN Wei; LI Zhiqiang

doi:10.16080/j.issn1671-833x.2018.10.030

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Additive Manufacturing of Aerospace Titanium Alloys: Opportunities and Challenges

更新时间：2025-10-30

- Additive Manufacturing of Aerospace Titanium Alloys: Opportunities and Challenges
- Aeronautical Manufacturing Technology Vol. 61, Issue 10, Pages: 30-37(2018)
- 作者机构：
  
  1. 中国航空制造技术研究院材料应用研究部,北京,100024
  2. 高能束流加工技术重点实验室,北京,100024
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2018.10.030
  CLC：
- Published：2018
- 稿件说明：
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陈玮，李志强. 航空钛合金增材制造的机遇和挑战[J]. 航空制造技术, 2018, 61(10): 30-37.

CHEN Wei, LI Zhiqiang. Additive Manufacturing of Aerospace Titanium Alloys: Opportunities and Challenges[J]. Aeronautical Manufacturing Technology, 2018, 61(10): 30-37.
陈玮，李志强. 航空钛合金增材制造的机遇和挑战[J]. 航空制造技术, 2018, 61(10): 30-37. DOI： 10.16080/j.issn1671-833x.2018.10.030.

CHEN Wei, LI Zhiqiang. Additive Manufacturing of Aerospace Titanium Alloys: Opportunities and Challenges[J]. Aeronautical Manufacturing Technology, 2018, 61(10): 30-37. DOI： 10.16080/j.issn1671-833x.2018.10.030.

摘要

简要回顾了增材制造技术在航空钛合金领域的发展历程及应用现状，从成形效率、零件尺寸、零件复杂度、材料利用率、表面质量等方面比较了基于直接能量沉积技术与粉末床熔化技术的5 种增材制造方法的特点及适用范围，阐述了粉末床熔化技术在推动航空钛合金结构轻量化设计与低成本制造方面的优势。以Ti-6Al-4V 为例，分析了增材制造熔池中的物理过程对柱状晶显微组织形成与力学性能各向异性的影响，总结了业界在过程监控与质量控制方面的初步成果以及现有增材制造标准对材料、工艺、检测等方面的要求。最后，介绍了增材制造钛合金零件的成本构成与计算模型，提出了适合采用增材制造工艺的零件特点，并对航空钛合金增材制造的未来进行了展望。

Abstract

The history and current status of additive manufacturing for the aerospace titanium industry is reviewed. The build efficiency

dimension capability

component complexity

buy-to-fly ratio

and surface quality of 5 additive manufacturing methods based on direct energy deposition and powder bed fusion are compared. Also

the effect of powder bed fusion technology on designing lightweight structure and low-cost manufacturing process is discussed. Taking Ti-6Al-4V as an example

how the physical processes inside melt pool affects the formation of columnar grains and mechanical anisotropy is investigated. Some results of process monitoring and quality control

as well as the current standard for material

processing

and detection are presented. Finally

the cost breakdown and model are introduced to explain the component features that are suitable for additive manufacturing. The future direction of aerospace additive manufacturing for titanium alloys is discussed.

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