Research Progress on Influence of Interstitial Atoms and Particles on Microstructure and Mechanical Properties of Laser Additive Manufacturing High-Entropy Alloys

GAO Hongliang; SU Haijun; GUO Yinuo; YANG Peixin; XIA Le; ZHANG Zhuo; GUO Min

doi:10.16080/j.issn1671-833x.2024.08.054

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Research Progress on Influence of Interstitial Atoms and Particles on Microstructure and Mechanical Properties of Laser Additive Manufacturing High-Entropy Alloys

更新时间：2025-10-30

- Research Progress on Influence of Interstitial Atoms and Particles on Microstructure and Mechanical Properties of Laser Additive Manufacturing High-Entropy Alloys
- Aeronautical Manufacturing Technology Vol. 67, Issue 8, Pages: 54-63(2024)
- 作者机构：
  
  1. 西北工业大学深圳研究院,深圳,518057
  2. 西北工业大学材料学院,西安,710072
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2024.08.054
  CLC：
- Published：2024
- 稿件说明：
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高宏亮，苏海军，郭一诺，杨培鑫，夏乐，张卓，郭敏. 间隙原子及颗粒对激光增材制造高熵合金微观结构与力学性能影响的研究进展[J]. 航空制造技术, 2024, 67(8): 54-63,75.

GAO Hongliang, SU Haijun, GUO Yinuo, YANG Peixin, XIA Le, ZHANG Zhuo, GUO Min. Research Progress on Influence of Interstitial Atoms and Particles on Microstructure and Mechanical Properties of Laser Additive Manufacturing High-Entropy Alloys[J]. Aeronautical Manufacturing Technology, 2024, 67(8): 54-63,75.
高宏亮，苏海军，郭一诺，杨培鑫，夏乐，张卓，郭敏. 间隙原子及颗粒对激光增材制造高熵合金微观结构与力学性能影响的研究进展[J]. 航空制造技术, 2024, 67(8): 54-63,75. DOI： 10.16080/j.issn1671-833x.2024.08.054.

GAO Hongliang, SU Haijun, GUO Yinuo, YANG Peixin, XIA Le, ZHANG Zhuo, GUO Min. Research Progress on Influence of Interstitial Atoms and Particles on Microstructure and Mechanical Properties of Laser Additive Manufacturing High-Entropy Alloys[J]. Aeronautical Manufacturing Technology, 2024, 67(8): 54-63,75. DOI： 10.16080/j.issn1671-833x.2024.08.054.

摘要

近年来，高熵合金（HEAs）由于其独特的多主元设计理念和优异的性能获得了研究者的广泛关注。激光增材制造能够获得具有超细晶和多尺度结构的高熵合金，使其具有优异的力学性能。同时间隙原子的掺杂及增强颗粒的添加有助于进一步改善合金的强塑性，在航空航天高性能结构材料等领域应用前景开阔。基于此，首先介绍了选区激光熔化技术和激光定向能量沉积技术的原理和特点；然后，总结了间隙原子（C、B、N）及增强颗粒对激光增材制造高熵合金微观组织及力学性能的影响，并分析了各个间隙原子及增强颗粒对合金的强塑化机理；最后对激光增材制造高强塑性高熵合金的发展前景做了展望。

Abstract

In recent years

high-entropy alloys (HEAs) have attracted extensive attention of researchers because of their unique design concept and excellent properties with multiple principal components. Laser additive manufacturing (LAM) can produce HEAs with ultrafine grain and multi-scale structure

accompanied with excellent mechanical properties. Moreover

the doping of interstitial atoms and the addition of reinforced particles are helpful to further improve the strengt and plasticity of the alloy. It also has broad application prospects in aerospace high-performance structural materials and other fields. In this review

the principles and characteristics of selective laser melting and laser directed energy deposition are introduced firstly. Then

the effects of interstitial atoms (C

N) and reinforced particles on the microstructure and mechanical properties of HEAs fabricated by LAM are summarized. Additionally

the strengthening and plasticizing mechanism of each interstitial atom and reinforced particle is analyzed. Finally

the future development trend of LAM highperformance HEAs is prospected.

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