Investigation on microstructure and wear resistance of WC coated aluminum alloy using machine hammer peening

IF 1.8 4区工程技术 Q3 ENGINEERING, MECHANICAL

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science Pub Date : 2024-06-21 DOI:10.1177/09544062241256514

Xiaohui Lin, Guoliang Sun, Jiaming Xu, Jiayi Shen

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引用次数: 0

Abstract

Due to the characteristic of low density and high strength, Aluminum alloy have been applied in various industries. However, poor surface properties, such as wear resistance, are the main reason for limiting its application. In this study, machine hammer peening (MHP) was used for embedding tungsten carbide (WC) particles in near-surface zone of aluminum alloy and the microstructure and wear resistance were investigated. The results show that WC particles can be embedded into aluminum alloy using MHP and WC coatings were generated with large and medium WC particles. The values of surface roughness were increased with increasing of WC particles sizes and XRD analysis indicated that no new compound was found during coating process. The significant increasing of wear resistance of WC coating has been obtained. MHP is a novel technique for obtaining WC coating and improving the tribological performance of aluminum alloy. Furthermore, it offers new possibilities to embedding hard particles in substrates of various materials.

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利用机器锤击强化研究 WC 涂层铝合金的微观结构和耐磨性

由于铝合金具有密度低、强度高的特点，已被广泛应用于各行各业。然而，耐磨性等表面性能较差是限制其应用的主要原因。本研究采用机锤强化（MHP）技术在铝合金近表面区域嵌入碳化钨（WC）颗粒，并对其微观结构和耐磨性进行了研究。结果表明，使用 MHP 可以将碳化钨颗粒嵌入铝合金中，并在大颗粒和中等颗粒的碳化钨颗粒上生成碳化钨涂层。表面粗糙度值随着 WC 颗粒尺寸的增加而增加，XRD 分析表明在涂层过程中没有发现新的化合物。WC 涂层的耐磨性明显提高。MHP 是获得 WC 涂层和改善铝合金摩擦学性能的一种新技术。此外，它还为在各种材料的基底中嵌入硬质颗粒提供了新的可能性。

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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来源期刊

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 工程技术-工程：机械

CiteScore

3.80

自引率

10.00%

发文量

625

审稿时长

4.3 months

期刊介绍： The Journal of Mechanical Engineering Science advances the understanding of both the fundamentals of engineering science and its application to the solution of challenges and problems in engineering.