Experimental study on the laser cladding of H13+H13/20%WC composite coating on H13 steel surface

Weiqiang Wang; Xiayu Leng; Jianli Song

doi:10.1117/12.3036407

8 November 2024 Experimental study on the laser cladding of H13+H13/20%WC composite coating on H13 steel surface

Weiqiang Wang, Xiayu Leng, Jianli Song

Author Affiliations +

Proceedings Volume 13234, Advanced Laser Processing and Manufacturing VIII; 132340U (2024) https://doi.org/10.1117/12.3036407
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Conference Poster

Abstract

H13+H13/20%WC composite coating was prepared on the surface of H13 steel using laser cladding technology. Bonding performance between the coating and substrate, microstructure and composition evolution, hardness and wear resistance of the coating has been studied and analyzed. Research results indicated that the composite coating was metallurgically bonded with the substrate. The fine and dense microstructure was mainly composed of dendrites, intergranular Fe and Cr rich eutectic and carbides. Slight elements diffusion occurred at the interface between the substrate and the composite cladding layer. The surface of the H13/20%WC coating was mainly composed of α-Fe Fe-Cr compounds, and carbides, which resulted in a high hardness of 626.9HV in average. The wear resistance of the cladding layer was better than the bare substrate. The wear patterns were abrasive wear and oxidation wear. The research results were supposed to provide a reference for the modification of H13 steel mold and die surface.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Weiqiang Wang, Xiayu Leng, and Jianli Song "Experimental study on the laser cladding of H13+H13/20%WC composite coating on H13 steel surface", Proc. SPIE 13234, Advanced Laser Processing and Manufacturing VIII, 132340U (8 November 2024); https://doi.org/10.1117/12.3036407

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