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作者:

Wang, Mingxin (Wang, Mingxin.) | Li, Yutao (Li, Yutao.) | Jin, Tounan (Jin, Tounan.) | Fu, Hanguang (Fu, Hanguang.) (学者:符寒光)

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EI Scopus SCIE

摘要:

An AlCoCrFeNi high-entropy alloy coating containing 20 % mass fraction of TiC was prepared using the laser cladding method. The effect of heat treatment on the coating's microstructure was analyzed through X-ray diffraction (XRD), scanning electron microscopy (SEM), electron backscattered diffraction (EBSD), and transmission electron microscopy (TEM). It was observed that following high-temperature heat treatment, the phase transition of AlCoCrFeNi-20%TiC shifted from BCC to FCC at 750 degree celsius. Through microhardness and wear resistance tests, the increased diffusion of carbon post-heat treatment led to a higher precipitation of TiC-reinforced phases, resulting in exceptional wear resistance with a notable 128.3 % enhancement.

关键词:

AlCoCrFeNi high-entropy alloy laser cladding in-situ TiC strengthening microstructure wear resistance

作者机构:

  • [ 1 ] [Wang, Mingxin]Beijing Univ Technol, Beijing, Peoples R China
  • [ 2 ] [Li, Yutao]Beijing Univ Technol, Beijing, Peoples R China
  • [ 3 ] [Jin, Tounan]Beijing Univ Technol, Beijing, Peoples R China
  • [ 4 ] [Fu, Hanguang]Beijing Univ Technol, Beijing, Peoples R China

通讯作者信息:

  • [Fu, Hanguang]Beijing Univ Technol, Beijing, Peoples R China;;

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来源 :

MATERIALS TESTING

ISSN: 0025-5300

年份: 2024

期: 8

卷: 66

页码: 1168-1182

2 . 5 0 0

JCR@2022

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