aisi410钢基体上等离子喷涂硬质碳化硅涂层的表征及磨损性能

IF 2 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
C. Durga Prasad, Praveen Kumar U.B., Amit Tiwari, Vijayavardhana C., Deepak Kumar B.N, Haridasa Nayak, Maramreddy Raghu Tilak Reddy, Mahadeva Prasad, Nimona Hailu
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引用次数: 0

摘要

因此,这项研究的目的是使用等离子喷涂技术在AISI 410不锈钢基体上沉积SiC涂层,并通过这样做来确定所得复合材料的耐磨性能。通过改变喷雾参数制备了两种成分样品,SN7含有70 wt. %的SiC和30 wt. %的NiAl, SN8含有80 wt. %的SiC和20 wt. %的NiAl。采用扫描电子显微镜(SEM)、能谱仪(EDS)和x射线衍射仪(XRD)对涂层的形貌、组成和磨损性能进行了表征。在干滑动条件下对试样进行了磨损特性测试,确定了试样的磨损率。研究结果表明,SN7和SN8两种涂层比母材钢具有更好的磨损保护作用。SEM分析表明,SN8表现较好,涂层结构致密,硬度较高。所建立的磨损机制可分为磨粒磨损和粘着磨损。本研究结果还表明,虽然AISI 410钢基体适用于与磨损相关的应用,但等离子喷涂SiC涂层显著提高了钢的耐磨性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Characterization and wear behavior of plasma-sprayed hard-faced silicon carbide coatings on AISI 410 steel substrate

This research endeavor was therefore aimed at depositing SiC coatings on AISI 410 stainless steel substrates using plasma spray technique and by so doing determines the wear properties of the resultant composites. Two compositions specimens were prepared by varying the spray parameters as SN7 that contained 70 wt. % SiC and 30 wt. % NiAl and SN8 having 80 wt. % SiC and 20 wt. % NiAl. The morphology, composition, and wear properties of the coatings were characterized by scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), and X-ray diffraction (XRD) techniques. The samples were tested to evaluate their wear characteristics in dry sliding condition, and the wear rates are determined. The findings observed from the study show that the two coatings SN7 and SN8 offered greater wear protection than the base metal of steel. SN8 performed better as suggested by the SEM analysis revealing dense coating structure and greater hardness in the coating. The established wear mechanisms were categorized under abrasive wear and adhesive wear. The findings of this research also demonstrate that while the AISI 410 steel substrate is suitable for wear-related applications, plasma-sprayed SiC coating significantly improves the wear resistance of the steel.

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来源期刊
CiteScore
8.60
自引率
0.00%
发文量
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审稿时长
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