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Updated: Jan 13, 2026

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增强抗滑动和侵蚀的耐磨性 在HVAF喷的基于WC的水泥中,具有CoCrNiAlTi粘合剂
Lei Zhang1,2, Yue Yu3, Xiaoming Chen1,2,4
1Zhejiang-Nepal Small Hydropower Technology Joint Research Center, Standard & Quality Control Research Institute, Ministry of Water Resources, Hangzhou 310012, China.
Materials (Basel, Switzerland)
|January 10, 2026
概括
这项研究优化了WC-CoCrNiAlTi涂层,使用大气中的高速空气燃料喷雾. 最佳的空气与燃料比率 (AFR) 显著提高了不钢基板的耐磨性和耐侵蚀性.
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?
- 部落学 (tribology) 是一个学科.
背景情况:
- 基于WC的陶对于耐磨涂层至关重要.
- 不钢基板对于要求高的应用需要增强的表面性能.
- 高速空气燃料 (HVAF) 喷涂是制造先进涂料的关键技术.
研究的目的:
- 研究空气与燃料比 (AFR) 对通过HVAF喷涂制造的WC-CoCrNiAlTi涂层的影响.
- 为了优化涂层的微观结构,机械性能和tribological性能.
- 与不钢基板相比,评估耐磨性和耐侵蚀性.
主要方法:
- 在04Cr13Ni5Mo不钢上喷WC-CoCrNiAlTi涂层的大气高速空气燃料 (HVAF).
- 空气与燃料比率 (AFR) 的系统变化.
- 微结构分析,微硬度测试,摩擦和磨损测试以及泥侵蚀测试.
主要成果:
- 增加AFR提高了涂层密度和微硬度,达到1355.68 HV0.2的峰值,AFR为1.130.0.
- 随着AFR的增加,磨损率和摩擦系数下降,达到1.15 × 10−6 mm3·N−1·m−1和0.6435分别在AFR1.130.0.
- 随着AFR的增加,侵蚀阻力显著改善,在AFR1.130.0时,体重减轻率减少了24.04倍.
- 高合金粘合剂保护了WC颗粒,通过适应性变形减轻了损伤.
结论:
- 空气与燃料的比率是控制WC-CoCrNiAlTi涂层性能的一个关键参数.
- 最佳的AFR (1.130) 产生了优越的微硬度,耐磨性 (34.85倍基板) 和耐侵蚀性 (24.04倍基板).
- HEA粘合剂在涂层的耐损性和整体性能方面发挥着至关重要的作用.
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