Tribological Evaluation of a High-Performance Composite Coating

Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications Pub Date : 2021-11-01 DOI:10.1115/imece2021-73701

P. Renner, Mohamed Gharib, Hong Liang

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Abstract

This research presents a new coating on a metal substrate. A carbon steel substrate was used to apply Ni-SiC coatings of various ratios. Wear tests were performed on the coatings and substrate using a linearly reciprocating tribometer with a E52100 carbon steel counterpart. Scratch tests were performed with the same instrument using a tungsten carbide scratch tip. The addition of the coating was found to greatly improve the mechanical properties of the substrate. During experiments studying wear, an E52100 carbon steel ball counterpart was used and its damage was analyzed. This ball showed signs of wear while the coating surfaces showed no sign of abrasion but with only visible adhesive wear. Similarly, scratch tests showed far less material removal in the coating than substrate, showing greatly improved scratch resistance. Additionally, scratch coefficient of friction measured during these tests showed the addition of the coating decreased coefficient of friction to as low as 0.25 compared to the 0.4 of the substrate. The combination of these properties shows that this coating and application method is useful in a wide range of industries.

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高性能复合涂层的摩擦学评价

本研究提出了一种新的金属基板涂层。在碳钢基体上涂上不同比例的Ni-SiC涂层。使用E52100碳钢的线性往复摩擦计对涂层和基材进行磨损测试。使用同一仪器使用碳化钨划痕尖进行划痕试验。发现涂层的加入大大改善了基体的力学性能。在磨损试验中，采用E52100碳钢球对其进行损伤分析。这个球显示磨损的迹象，而涂层表面显示没有磨损的迹象，但只有可见的粘合剂磨损。同样，划痕试验表明，涂层中的材料去除率远低于基材，显示出大大提高的抗划痕性。此外，在这些测试中测量的摩擦划痕系数表明，与基体的0.4相比，涂层的添加将摩擦系数降低至0.25。这些性能的结合表明，这种涂层和应用方法在广泛的工业中是有用的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications

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