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首页> 外文期刊>Tribology International >Abrasive wear maps for High Velocity Oxy Fuel (HVOF) sprayed WC-12Co and Cr3C2-25NiCr coatings
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Abrasive wear maps for High Velocity Oxy Fuel (HVOF) sprayed WC-12Co and Cr3C2-25NiCr coatings

机译：用于高速氧气燃料（HVOF）喷涂WC-12CO和CR3C2-25NICR涂料的磨料磨损图

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摘要

The friction and abrasive wear behavior of WC-12Co and Cr3C2-25NiCr HVOF sprayed coatings were investigated. The coefficient of friction and abrasive wear rate decreased with increasing sliding velocity, although the magnitude of decrease was different. The operating condition, mechanisms of wear, microstructure and the extent of oxidation influenced friction and wear behavior of the coatings. The wear maps were used to identify transition in abrasive wear rates and severity of oxidative wear. The different wear regimes exhibited by the coatings were attributed to change in relative contribution of mechanical wear and oxidative wear with respect to operating variables. Severity of contact can be used to identify transitions in failure modes from plastic deformation to brittle fracture.
机译：研究了WC-12CO和CR3C2-25NICR HVOF喷涂涂料的摩擦和磨料磨损行为。 摩擦系数和磨料磨损率随着滑动速度的增加而降低，尽管降低的幅度不同。 操作条件，磨损机制，微观结构和氧化程度影响涂层的摩擦和磨损行为。 磨损地图用于识别磨料磨损率的过渡和氧化磨损的严重程度。 涂层表现出的不同磨损制度归因于机械磨损和氧化磨损相对于操作变量的相对贡献的变化。 接触的严重程度可用于识别从塑性变形到脆性骨折的故障模式的过渡。

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