Microstructure and Wear Properties of a Novel Mixed Stellite Coating Deposited on H13 Steel Using Laser Cladding Technology

Xu, Bing; Zhang, Jie; Xu, Qing; Xu, Yajing; Tong, Jianping; Li, Bo

doi:10.1007/s12666-024-03444-3

Trans Indian Inst Met

2024

DOI: 10.1007/s12666-024-03444-3

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Microstructure and Wear Properties of a Novel Mixed Stellite Coating Deposited on H13 Steel Using Laser Cladding Technology

Bing Xu,

Jie Zhang,

Qing Xu

et al.

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Study on the Effect of Laser Power on the Microstructure and Properties of Cladding Stellite 12 Coatings on H13 Steel

Wang,

Shu,

et al. 2024

Materials

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To address the issue of cracking in aluminum extrusion dies during operation, this study employs laser cladding technology to modify the surface of these dies. This modification aims to enhance their hardness and friction resistance. Laser cladding technology was utilized to coat the surface of H13 steel with Stellite 12, a cobalt-based alloy, at varying laser power levels. The surface formation quality, microstructural organization, phase composition, microhardness, and wear resistance of the coatings were investigated using optical microscopy, scanning electron microscopy, energy-dispersive spectroscopy, X-ray diffraction (XRD), microhardness testing, and confocal microscopy. The results indicated that as the laser power increased, the surface formation quality of the coating gradually improved, while the dilution rate of the coating increased. Changes in the phase composition and microstructure were not significant, and both microhardness and wear resistance initially increased before decreasing. Optimal process parameters for achieving good surface formation quality, high microhardness, and strong wear resistance were found to be a laser output power of 2200 W, scanning speed of 10 mm/s, feeding rate of 1.2 r/min, and overlap rate of 40%. The results indicate that the coating applied to the surface of H13 steel using Stellite 12 enhances the performance of aluminum extrusion dies.

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Study on the Effect of Laser Power on the Microstructure and Properties of Cladding Stellite 12 Coatings on H13 Steel

Wang,

Shu,

et al. 2024

Materials

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Microstructure and Wear Properties of a Novel Mixed Stellite Coating Deposited on H13 Steel Using Laser Cladding Technology

Cited by 1 publication

References 28 publications

Study on the Effect of Laser Power on the Microstructure and Properties of Cladding Stellite 12 Coatings on H13 Steel

Study on the Effect of Laser Power on the Microstructure and Properties of Cladding Stellite 12 Coatings on H13 Steel

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