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在S355钢上通过激光合金生产的恒星-6/(WC+TiC) 复合涂层

Dariusz Bartkowski¹, Aneta Bartkowska², Joanna Olszewska²

¹Institute of Material Technology, Faculty of Mechanical Engineering, Poznan University of Technology, Piotrowo 3, 61-138 Poznan, Poland.

Materials (Basel, Switzerland)

|July 29, 2023

概括

在S355钢上使用的激光合金Stellite-6/(WC+TiC) 涂层显示出增强的微硬度和耐磨性. 固化速率显著影响涂层性能,与基板相比,提供优越的性能.

科学领域:

材料科学材料科学材料科学
表面工程是什么?表面工程是什么?
金工业是一种金工业.

背景情况:

-6是一种以为基础的合金,以其耐磨性而闻名.
碳化 (WC) 和碳化 (TiC) 是用于增强的硬陶相.
激光合金是一种表面修饰技术,用于创建高性能涂层.

研究的目的:

调查WC+TiC含量变化的影响,以激光合金制成的6石涂层.
为了评估激光功率密度对涂层性能的影响.
评估开发的涂料的微硬度和耐磨性.

主要方法:

在S355钢上用WC+TiC混合物 (40%重量和60%重量) 激光合金化Stellite-6.
不同激光功率密度的应用 (76,115,153 kW/cm2).
微硬度测试,耐磨性评估,化学分析和微结构观测 (光和扫描电子显微镜).

主要成果:

与S355钢基板相比,所有Stellite-6/(WC+TiC) 涂层都表现出优越的微硬度和耐磨性.
较高的强化相含量 (60%wt) 一般导致性能改善.
激光功率密度影响了微观结构,因此影响了机械性能.

结论:

激光合金的Stellite-6/(WC+TiC) 涂层在耐磨性和微硬性方面提供了显著的改进.
受激光参数影响的固化速率在决定涂层性能方面起着至关重要的作用.
这些涂层代表了提高S355钢元件耐用性的可行解决方案.

关键词:

TiC TiC TiC TiC TiC TiC TiC TiC TiC TiC TiC TiC TiC TiC TiC TiC 这里是WC,WC,WC.碳化物涂层的涂层是碳化物.微硬度微硬度微硬度微观结构的微观结构耐磨性耐磨性耐磨性耐磨性

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