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Volume 15
Issue 6
10.3390/coatings15060629
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Interfacial Modulation of Laser-Deposited Ti6Al4V-TiC Wear-Resistant Coatings: Surface Ni-P Metallization of TiC Particles

by
Yiming Wu
1,
Yingfei Yang
1,
Jie Li
1,
Chuanyong Yu
2,
Xinwei Du
3,
Hu Zhao
4,
Dexin Chen
1,
Wei Li
1,
Qiwei Wang
1,* and
Peng Zhang
1,*
1
Institute of Advance Wear & Corrosion Resistant and Functional Materials, National Joint Engineering Research Center of High Performance Metal Wear Resistant Materials Technology, Jinan University, Guangzhou 510632, China
2
College of Mechatronics Engineering and Automation, Foshan University, Foshan 528225, China
3
Ruyuan Dongyangguang UACJ Fine Foil Co., Ltd., Shaoguan 512721, China
4
GD Midea Air-Conditioning Equipment Co., Ltd., Foshan 528311, China
*
Authors to whom correspondence should be addressed.
Coatings 2025, 15(6), 629; https://doi.org/10.3390/coatings15060629 (registering DOI)
Submission received: 21 April 2025 / Revised: 20 May 2025 / Accepted: 21 May 2025 / Published: 24 May 2025
(This article belongs to the Special Issue Laser Surface Engineering and Additive Manufacturing)
Versions Notes

Abstract

Prior to the laser processing, the surface of the TiC-reinforced particles underwent a metallization process with Ni-P, with the objective of enhancing the wettability between the TiC and the Ti6Al4V, thereby ensuring enhanced wear resistance of the titanium-based composite (TMC) coatings. In this study, the chemical deposition method was utilized to synthesize three types of metallized TiC with varying phosphorus contents. The P contents of these samples were determined to be 9.12 wt.% (HP metallized TiC), 6.55 wt.% (MP metallized TiC), and 1.71 wt.% (LP metallized TiC). It was observed that the thickness of the coatings increased in a gradual manner with the decrease in P. Furthermore, the coating of the LP metallized TiC was found to possess the highest degree of crystallinity and a microcrystalline structure. The 50 wt.% TiC-Ti6Al4V composite coatings (TMC-Nickel-free, TMC-HP, TMC-MP, and TMC-LP) were produced by laser fusion deposition using untreated TiC and three metallized TiC enhancements. The findings indicate that TMC-LP exhibits cracking only during the initial processing stage. Surface metallization has been shown to enhance the wear resistance of composite coatings through several mechanisms, including increased bonding of the ceramic phase to the metal matrix and the formation of hard Ti2Ni compounds. The wear rates of TMC-HP, TMC-MP, and TMC-LP were reduced by 22%, 43%, and 72%, respectively, in comparison to TMC-Nickel-free.
Keywords: surface metallization; ceramic reinforcement; laser melting deposition; wear resistance surface metallization; ceramic reinforcement; laser melting deposition; wear resistance

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MDPI and ACS Style

Wu, Y.; Yang, Y.; Li, J.; Yu, C.; Du, X.; Zhao, H.; Chen, D.; Li, W.; Wang, Q.; Zhang, P. Interfacial Modulation of Laser-Deposited Ti6Al4V-TiC Wear-Resistant Coatings: Surface Ni-P Metallization of TiC Particles. Coatings 2025, 15, 629. https://doi.org/10.3390/coatings15060629

AMA Style

Wu Y, Yang Y, Li J, Yu C, Du X, Zhao H, Chen D, Li W, Wang Q, Zhang P. Interfacial Modulation of Laser-Deposited Ti6Al4V-TiC Wear-Resistant Coatings: Surface Ni-P Metallization of TiC Particles. Coatings. 2025; 15(6):629. https://doi.org/10.3390/coatings15060629

Chicago/Turabian Style

Wu, Yiming, Yingfei Yang, Jie Li, Chuanyong Yu, Xinwei Du, Hu Zhao, Dexin Chen, Wei Li, Qiwei Wang, and Peng Zhang. 2025. "Interfacial Modulation of Laser-Deposited Ti6Al4V-TiC Wear-Resistant Coatings: Surface Ni-P Metallization of TiC Particles" Coatings 15, no. 6: 629. https://doi.org/10.3390/coatings15060629

APA Style

Wu, Y., Yang, Y., Li, J., Yu, C., Du, X., Zhao, H., Chen, D., Li, W., Wang, Q., & Zhang, P. (2025). Interfacial Modulation of Laser-Deposited Ti6Al4V-TiC Wear-Resistant Coatings: Surface Ni-P Metallization of TiC Particles. Coatings, 15(6), 629. https://doi.org/10.3390/coatings15060629

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