Microstructures and Properties of TiC Reinforced Ni–30Fe–20Al Composite Prepared by Laser Cladding

LIU Yufan; JIAO Junke; XU Zifa; OUYANG Wentai; ZHANG Mina; LIU Zheng; ZAN Shaoping; ZHANG Wenwu

doi:10.16080/j.issn1671-833x.2021.12.053

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Microstructures and Properties of TiC Reinforced Ni–30Fe–20Al Composite Prepared by Laser Cladding

更新时间：2025-10-30

- Microstructures and Properties of TiC Reinforced Ni–30Fe–20Al Composite Prepared by Laser Cladding
- Aeronautical Manufacturing Technology Vol. 64, Issue 12, Pages: 53-60(2021)
- 作者机构：
  
  1. 江西理工大学,赣州,341000
  2. 中国科学院宁波材料技术与工程研究所,宁波,315201
  3. 扬州大学,扬州,225127
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2021.12.053
  CLC：
- Published：2021
- 稿件说明：
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刘玉璠，焦俊科，徐子法，欧阳文泰，张咪娜，刘政，昝少平，张文武. 激光熔覆制备 TiC 增强 Ni-30Fe20Al 复合材料的组织与性能研究[J]. 航空制造技术, 2021, 64(12): 53-60.

LIU Yufan, JIAO Junke,XU Zifa,OUYANG Wentai,ZHANG Mina,LIU Zheng,ZAN Shaoping,ZHANG Wenwu. Microstructures and Properties of TiC Reinforced Ni–30Fe–20Al Composite Prepared by Laser Cladding. 航空制造技术, 2021, 64(12): 53-60.
刘玉璠，焦俊科，徐子法，欧阳文泰，张咪娜，刘政，昝少平，张文武. 激光熔覆制备 TiC 增强 Ni-30Fe20Al 复合材料的组织与性能研究[J]. 航空制造技术, 2021, 64(12): 53-60. DOI： 10.16080/j.issn1671-833x.2021.12.053.

LIU Yufan, JIAO Junke,XU Zifa,OUYANG Wentai,ZHANG Mina,LIU Zheng,ZAN Shaoping,ZHANG Wenwu. Microstructures and Properties of TiC Reinforced Ni–30Fe–20Al Composite Prepared by Laser Cladding. 航空制造技术, 2021, 64(12): 53-60. DOI： 10.16080/j.issn1671-833x.2021.12.053.

摘要

为研究激光熔覆制备 TiC 增强 Ni–30Fe–20Al 复合材料的组织和力学性能，探索 TiC 含量对复合材料性能的影响规律，利用激光熔覆技术分别制备了 TiC 质量分数为 0、10%、20% 的陶瓷颗粒增强 Ni–30Fe–20Al 复合材料，并对复合材料的宏观形貌、微观组织、物相组成、显微硬度等进行了表征分析。结果表明，熔覆层与基板形成了良好的冶金结合；TiC 颗粒大部分以 TiC 相的形式存在且弥散分布在熔覆层内；有部分 TiC 颗粒重熔形成了不同原子比例的新相，使熔覆层的硬度进一步提升；随着加入 TiC 粉末比例的增加，熔覆层硬度呈增大趋势。

Abstract

The TiC reinforced Ni–30Fe–20Al composite layer with different TiC mass fractions (0

10% and 20%) was prepared on the stainless steel by laser cladding technology using fiber laser cladding system to investigate the microstructure and mechanical properties and the influence of the TiC content on the composite properties. The macro-morphology

microstructure

phase and micro-hardness of the composites were characterized. The results show that the cladding layer has a good metallurgical combination with the substrate. Most of the TiC particles existed as the TiC compounds

which distributed uniformly in the cladding layer. Some TiC particles remelting formed new phases with different atomic ratios

which further improved the hardness of cladding layer. With the increase of the proportion of TiC powder

the hardness of the cladding layer increases.

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