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Article

In Situ Ceramic Phase Reinforcement via Short-Pulsed Laser Cladding for Enhanced Tribo-Mechanical Behavior of Metal Matrix Composite FeNiCr-B4C (5 and 7 wt.%) Coatings

1
M.N. Mikheev Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620108, Russia
2
Institute of Physics and Technology, Ural Federal University, Ekaterinburg 620002, Russia
3
School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
4
Department of Welding Equipment and Technology, Institution of Engineering and Technology, South Ural State University (National Research University), Chelyabinsk 454080, Russia
5
Department of General Physics, Udmurt State University, Izhevsk 426034, Russia
6
Henan Key Laboratory of High-Performance Carbon Fiber Reinforced Composites, Institute of Carbon Matrix Composites, Henan Academy of Sciences, Zhengzhou 450046, China
7
Institute of Materials, Shanghai University, Shanghai 200444, China
8
Zhejiang Institute of Advanced Materials, Shanghai University, Jiashan 314100, China
*
Author to whom correspondence should be addressed.
Technologies 2025, 13(6), 231; https://doi.org/10.3390/technologies13060231
Submission received: 9 May 2025 / Revised: 29 May 2025 / Accepted: 3 June 2025 / Published: 4 June 2025
(This article belongs to the Special Issue Technological Advances in Science, Medicine, and Engineering 2024)

Abstract

This study elucidates the dynamic tribo-mechanical response of laser-cladded FeNiCr-B4C metal matrix composite (MMC) coatings on AISI 1040 steel substrate, unraveling the intricate interplay between microstructural features and phase transformations. A multi-faceted approach, employing high-resolution scanning electron microscopy (SEM) and advanced X-ray diffraction/Raman spectroscopy techniques, provided a comprehensive characterization of the coatings’ behavior under mechanical and scratch testing, shedding light on the mechanisms governing their wear resistance. Specifically, microstructural analysis revealed uniform coatings with a columnar structure and controlled defect density, showcasing an average thickness of 250 ± 20 μm and a transition zone of 80 ± 10 μm. X-ray diffraction and Raman spectroscopy confirmed the presence of α-Fe (Im-3m), γ-FeNiCr (Fm-3m), Fe2B (I-42m), and B4C (R-3m) phases, highlighting the successful incorporation of B4C reinforcement. The addition of 5 and 7 wt.% B4C significantly increased microhardness, showing enhancements up to 201% compared to the B4C-free FeNiCr coating and up to 351% relative to the AISI 1040 steel substrate, respectively. Boron carbide addition promoted a synergistic strengthening effect between the in situ formed Fe2B and the retained B4C phases. Furthermore, scratch test analysis clarified improved wear resistance, excellent adhesion, and a tailored hardness gradient. These findings demonstrated that optimized short-pulsed laser cladding, combined with moderate B4C reinforcement, is a promising route for creating robust, high-strength FeNiCr-B4C MMC coatings suitable for demanding engineering applications.
Keywords: Raman spectroscopy; short-pulsed laser cladding; metal matrix composite; boron carbide; microstructural characterization; tribo-mechanical behavior; scratch test Raman spectroscopy; short-pulsed laser cladding; metal matrix composite; boron carbide; microstructural characterization; tribo-mechanical behavior; scratch test
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MDPI and ACS Style

Okulov, A.; Iusupova, O.; Stepchenkov, A.; Zavalishin, V.; Marchenkova, E.; Liu, K.; Li, J.; Sonar, T.; Makarov, A.; Korobov, Y.; et al. In Situ Ceramic Phase Reinforcement via Short-Pulsed Laser Cladding for Enhanced Tribo-Mechanical Behavior of Metal Matrix Composite FeNiCr-B4C (5 and 7 wt.%) Coatings. Technologies 2025, 13, 231. https://doi.org/10.3390/technologies13060231

AMA Style

Okulov A, Iusupova O, Stepchenkov A, Zavalishin V, Marchenkova E, Liu K, Li J, Sonar T, Makarov A, Korobov Y, et al. In Situ Ceramic Phase Reinforcement via Short-Pulsed Laser Cladding for Enhanced Tribo-Mechanical Behavior of Metal Matrix Composite FeNiCr-B4C (5 and 7 wt.%) Coatings. Technologies. 2025; 13(6):231. https://doi.org/10.3390/technologies13060231

Chicago/Turabian Style

Okulov, Artem, Olga Iusupova, Alexander Stepchenkov, Vladimir Zavalishin, Elena Marchenkova, Kun Liu, Jie Li, Tushar Sonar, Aleksey Makarov, Yury Korobov, and et al. 2025. "In Situ Ceramic Phase Reinforcement via Short-Pulsed Laser Cladding for Enhanced Tribo-Mechanical Behavior of Metal Matrix Composite FeNiCr-B4C (5 and 7 wt.%) Coatings" Technologies 13, no. 6: 231. https://doi.org/10.3390/technologies13060231

APA Style

Okulov, A., Iusupova, O., Stepchenkov, A., Zavalishin, V., Marchenkova, E., Liu, K., Li, J., Sonar, T., Makarov, A., Korobov, Y., Kharanzhevskiy, E., Zhidkov, I., Korkh, Y., Kuznetsova, T., Wang, P., & Jia, Y. (2025). In Situ Ceramic Phase Reinforcement via Short-Pulsed Laser Cladding for Enhanced Tribo-Mechanical Behavior of Metal Matrix Composite FeNiCr-B4C (5 and 7 wt.%) Coatings. Technologies, 13(6), 231. https://doi.org/10.3390/technologies13060231

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