Study on surface properties of coated WC-Co alloy based on laser reduction process

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL

Industrial Lubrication and Tribology Pub Date : 2024-01-05 DOI:10.1108/ilt-08-2023-0261

Shucai Yang, Dawei Wang, Zhanjun Xiao

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引用次数: 0

Abstract

Purpose

The purpose is to explore the improvement mechanism of coating and laser micro-texture on the surface properties of cemented carbide, so as to give full play to the technical advantages of both and improve the overall surface properties of the material.

Design/methodology/approach

The surface hardness of the coating was measured by a microhardness tester, the surface element composition of the coating was tested by an energy spectrum analyzer and the phase was measured by an X-ray diffractometer to observe the surface morphology after the friction and wear experiment.

Findings

Laser will generate new oxide and nitride films on the surface of the coating, which will improve the hardness of the coating surface and the bonding strength between the coating and the substrate. The surface micro-texture can collect wear debris during the friction process, reduce abrasive wear and play a good role in inhibiting the expansion of the coating failure zone.

Originality/value

Most of the research on traditional laser coating is to process micro-texture first and then coating. This study is the opposite. In this paper, the modification effect of laser on the coating surface is explored, and the parameters of laser and coating are optimized, which paves the way for the subsequent milling experiments of textured coating tools.

查看原文本刊更多论文

基于激光还原工艺的涂层 WC-Co 合金表面特性研究

目的探索涂层和激光微观纹理对硬质合金表面性能的改善机理，充分发挥二者的技术优势，提高材料的整体表面性能。设计/方法/途径涂层表面硬度用显微硬度计测量，涂层表面元素组成用能谱分析仪检测，相位用 X 射线衍射仪测量，观察摩擦磨损实验后的表面形貌。研究结果激光会在涂层表面生成新的氧化膜和氮化膜，从而提高涂层表面的硬度和涂层与基体之间的结合强度。表面微观纹理可以收集摩擦过程中的磨损碎屑，减少磨料磨损，并对涂层失效区的扩大起到良好的抑制作用。而本研究恰恰相反。本文探讨了激光对涂层表面的修饰作用，优化了激光和涂层的参数，为后续纹理涂层工具的铣削实验铺平了道路。

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

Industrial Lubrication and Tribology 工程技术-工程：机械

CiteScore

3.00

自引率

18.80%

发文量

129

审稿时长

1.9 months

期刊介绍： Industrial Lubrication and Tribology provides a broad coverage of the materials and techniques employed in tribology. It contains a firm technical news element which brings together and promotes best practice in the three disciplines of tribology, which comprise lubrication, wear and friction. ILT also follows the progress of research into advanced lubricants, bearings, seals, gears and related machinery parts, as well as materials selection. A double-blind peer review process involving the editor and other subject experts ensures the content''s validity and relevance.