Investigation on Microstructure and Dry Sliding Wear Behavior of a Novel Fe-Cr-B-C-Al-Si-Mn Composite Coatings on 2Cr13 Steel by Laser Cladding

Gu, Jian; Li, Dongqing; Liu, Shengchun; Si, Jiajun; Cai, Songlin; Liu, Xuliang; Liu, Peng; Wang, Kaiming

doi:10.1007/s11665-021-06325-8

J. of Materi Eng and Perform

2021

DOI: 10.1007/s11665-021-06325-8

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Investigation on Microstructure and Dry Sliding Wear Behavior of a Novel Fe-Cr-B-C-Al-Si-Mn Composite Coatings on 2Cr13 Steel by Laser Cladding

Jian Gu

Dongqing Li

Shengchun Liu

et al.

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Cited by 2 publications

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“…At present, the research on the properties of the LC layer is mainly focused on wear resistance, corrosion resistance, high-temperature oxidation resistance, self-lubrication and biocompatibility. One of the main methods to improve the wear resistance of the cladding layer is to directly add or in situ synthesize the hard phase, and the other is to improve the wear resistance of the coating by adding lubricants [43][44][45][46][47][48][49].…”

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Research and Progress of Laser Cladding: Process, Materials and Applications

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Research and Progress of Laser Cladding: Process, Materials and Applications

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Effects of Cr and Mo content on the microstructure and properties of Fe-based amorphous composite coatings by laser cladding

Zhang,

Yang,

Liu

et al. 2024

Journal of Laser Applications

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In this study, we successfully produced Fe-based amorphous composite coatings on the surface of 45 steel using laser cladding technology, and the impact of the relative content of Cr and Mo elements on the microstructure, hardness, and wear resistance of composite coatings has been investigated. The results show that the microstructure of the coating changes from dendrite to amorphous nanocrystalline when the content of Cr and Mo is 20 and 15 wt. %, respectively. However, when the Mo element continues to be added, elemental segregation will be caused, resulting in a large number of brittle Fe–Cr–Mo intermetallic compounds and MoSi2 ceramic phases in the coating. Therefore, the appropriate element ratio can not only increase the amorphous phase content in the coating but also prevent elemental segregation. Among the three types of amorphous composite coatings studied, the Fe45Cr20Mo15B10Si10 (wt. %) composite coating exhibited the most favorable performance, primarily due to its highest amorphous content (43.33%). Through the interaction of the amorphous phase, α-Fe, Fe–Cr solid solution, and a small proportion of intermetallic compounds, this coating achieved a hardness of 1282.8 HV0.2, approximately five times that of the 45 steel substrate, and demonstrated superior wear resistance.

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Investigation on Microstructure and Dry Sliding Wear Behavior of a Novel Fe-Cr-B-C-Al-Si-Mn Composite Coatings on 2Cr13 Steel by Laser Cladding

Cited by 2 publications

References 43 publications

Research and Progress of Laser Cladding: Process, Materials and Applications

Research and Progress of Laser Cladding: Process, Materials and Applications

Effects of Cr and Mo content on the microstructure and properties of Fe-based amorphous composite coatings by laser cladding

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