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关于激光覆盖Ni60-WC复合涂料的微观结构和tribological属性的实验研究

Yupeng Cao¹, Kai Yan¹, Weidong Shi¹

¹School of Mechanical Engineering, Nantong University, Nantong 226019, China.

Materials (Basel, Switzerland)

|September 28, 2024

概括

一种新的Ni60-WC复合涂层显著增强了E690钢的性能.

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?
腐蚀科学腐蚀科学

背景情况:

离岸平台在海洋环境中面临严重磨损.
E690高强度钢是容易降解的.
保护性涂层对于结构完整性至关重要.

研究的目的:

为E690钢开发一个Ni60-WC复合涂层.
为了评估涂层的微观结构,硬度和tribological属性.
为了评估涂层的耐腐蚀性.

主要方法:

用于涂料制造的激光覆盖技术.
通过X射线衍射 (XRD),扫描电子显微镜 (SEM) 和能量分散谱法 (EDS) 进行表征.
测试包括微硬度,tribological性能和电化学腐蚀测试.

主要成果:

涂层呈现出一个由Ni60,WC,W2C,M23C6和M6C相组成的复合结构.
微硬度增加了103% (569.5 HV).微硬度增加了103% (569.5 HV).
腐蚀潜力增加了32.6%,腐蚀电流密度减少了62.0%,摩擦系数减少了17.4%,磨损体积减少了79%.

结论:

Ni60-WC复合涂层提供了优越的硬度和耐磨性.
与基板相比,观察到增强的耐腐蚀性.
涂层有效地减轻了海上平台应用的磨损和腐蚀.

关键词:

复合涂料是一种复合涂料.激光覆盖激光覆盖激光覆盖微观结构的微观结构部落学的表现表现.

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