等离子喷涂Al2O3-TiB2-SiC三元复合涂层及其基于SiC含量的磨损性能

IF 1.6 Q4 MATERIALS SCIENCE, COATINGS & FILMS Tribology - Materials, Surfaces & Interfaces Pub Date : 2023-07-16 DOI:10.1080/17515831.2023.2232990
Seyed Hossein Mirhosseini, M. Mosallaee, M. Razavi, M. Fotouhi
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引用次数: 0

摘要

本文旨在研究添加不同SiC含量对空气等离子喷涂工艺制备的Al2O3-TiB2-SiC三元复合涂层耐磨性能的影响。该研究以SHS粉末为主要材料,由H3BO3, Al, TiO2和5%,10%和15% Vol.% SiC组成。利用FESEM、显微硬度和销盘法对涂层的微观结构和磨损性能进行了表征。结果表明,与Al2O3-TiB2复合涂层相比,SiC的加入提高了涂层的硬度,降低了涂层的磨损痕迹宽度和磨损速率。Al2O3-TiB2-10%SiC和15wt %SiC复合涂层的耐磨性最好。所有试样的主要磨损机制为脆性断裂、脱层和粘接。图形抽象
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Plasma-sprayed Al2O3-TiB2-SiC ternary composite coatings and its wear behaviour based on SiC content
ABSTRACT This paper aims to study the effect of adding different SiC content on the wear performance of Al2O3-TiB2-SiC ternary composite coatings produced by the air plasma spraying process. The study used SHS powders as primary materials, consisting of H3BO3, Al, and TiO2, and 5, 10, and 15 Vol.% SiC. The microstructure and wear specifications of the coatings were characterised using FESEM, microhardness, and pin-on-disk methods. The results showed that the addition of SiC led to higher hardness and lower wear track width and rate compared to Al2O3-TiB2 composite coatings. The best wear behaviour was observed in Al2O3-TiB2-10%SiC and 15 wt% SiC composite coatings. The main wear mechanisms were found to be brittle fracture, delamination and adhesive for all samples. GRAPHICAL ABSTRACT
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来源期刊
Tribology - Materials, Surfaces & Interfaces
Tribology - Materials, Surfaces & Interfaces MATERIALS SCIENCE, COATINGS & FILMS-
CiteScore
2.80
自引率
0.00%
发文量
15
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