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| Effect of TiC content on the microstructure and properties of laser cladding Fe-based composite coatings |
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Received:December 19, 2024
Revised:January 07, 2025
Accepted:January 15, 2025
Published Online:April 30, 2026
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| DOI：10.3969/j.issn.1005-7854.2026.01.011 |
| KeyWord:laser cladding;Fe-based composite coating;microstructure;wear resistance performance |
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| 1.BGRIMM Technology Group, Beijing 100160, China;2.Beijing Key Laboratory of Special Coating Materials and Technology, Beijing 102206, China |
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| Abstract: |
| TiC-reinforced 430 Fe-based composite coatings were fabricated on Mn18Cr2 high manganese steel using laser cladding, with varying TiC contents to evaluate their influence on microstructural evolution and performance. The experimental results reveal that TiC particles experienced dissolution and re-precipitation during the cladding process, resulting in diverse morphologies governed by distinct formation mechanisms. As the TiC content increased, the surface hardness of the coatings progressively improved. Notably, the coating with 30% TiC achieved the lowest wear volume, demonstrating superior wear resistance. |
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