TiC对等离子熔覆FeCoNiCrMo高熵合金涂层组织和性能的影响

IF 3.3 3区 材料科学 Q2 MATERIALS SCIENCE, COATINGS & FILMS
Weiying Gong, Zhidan Zhou, Yongzhen Zhang, Xin Zhang, Sanming Du
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引用次数: 0

摘要

采用等离子熔覆法制备了FeCoNiCrMo-xTiC (x = 0,5,10,15 wt.%)高熵合金(HEA)涂层,研究了TiC含量对45钢组织、磨损和腐蚀性能的影响。结果表明:HEA涂层以BCC和FCC结构为主,含少量TiC;四层熔覆层的耐磨性均有提高。当TiC含量为5 wt.%时,熔覆层的耐磨性最好,磨损率为1.10 × 10−4 mm3/(N m),添加了增强相的熔覆层磨损率低于未添加增强相的熔覆层。熔覆层的磨损由多种磨损形式组成,以磨粒磨损和氧化磨损为主,并伴有粘着磨损。同时,5 wt.% TiC熔覆层具有较低的自腐蚀电流密度(1.029 × 10−8 a /cm2),相对正的腐蚀电位(−0.478 V)和优异的耐蚀性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of TiC on the Microstructure and Properties of FeCoNiCrMo High-Entropy Alloy Coatings by Plasma Cladding

FeCoNiCrMo-xTiC (x = 0, 5, 10, 15 wt.%) high-entropy alloy (HEA) coatings were prepared on 45 steel by plasma cladding and the effect of TiC content on microstructure, wear and corrosion properties were investigated. Results showed that the HEA coatings present mainly BCC and FCC structures, containing a small amount of TiC. The wear resistance of the four cladding layers is improved. When the TiC content is 5 wt.%, the wear resistance of the cladding layer is the best, and the wear rate is 1.10 × 10−4 mm3/(N m). The wear rate of the cladding layer with the added reinforcement phase is lower than that of the cladding layer without the added reinforcement phase. The wear of the cladding layer is composed of multiple wear forms, mainly abrasive wear and oxidative wear, accompanied by adhesive wear. At the same time, the 5 wt.% TiC cladding layer has a low self-corrosion current density (1.029 × 10−8 A/cm2), a relatively positive corrosion potential (− 0.478 V), and excellent corrosion resistance.

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来源期刊
Journal of Thermal Spray Technology
Journal of Thermal Spray Technology 工程技术-材料科学:膜
CiteScore
5.20
自引率
25.80%
发文量
198
审稿时长
2.6 months
期刊介绍: From the scientific to the practical, stay on top of advances in this fast-growing coating technology with ASM International''s Journal of Thermal Spray Technology. Critically reviewed scientific papers and engineering articles combine the best of new research with the latest applications and problem solving. A service of the ASM Thermal Spray Society (TSS), the Journal of Thermal Spray Technology covers all fundamental and practical aspects of thermal spray science, including processes, feedstock manufacture, and testing and characterization. The journal contains worldwide coverage of the latest research, products, equipment and process developments, and includes technical note case studies from real-time applications and in-depth topical reviews.
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