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首页> 外文期刊>Journal of Materials Engineering and Performance >Tribological Characterization of SiC and B4C Manufactured by Plasma Pressure Compaction
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Tribological Characterization of SiC and B4C Manufactured by Plasma Pressure Compaction

机译：等离子压力压实制造的SIC和B4C的摩擦学特征

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摘要

The objective of the present study was to assess the tribological properties and the wear behavior of silicon carbide and boron carbide ceramics, produced by the plasma pressure compaction sintering process. Reciprocating sliding tests were executed to evaluate the tribological behavior of silicon carbide and boron carbide. Samples of each material with distinct values of surface roughness Ra were tested. Wear mass loss, coefficients of friction and wear mechanism of the boron carbide and silicon carbide were evaluated by means of microscopes and an energy-dispersive spectroscopy probe. The coefficient of friction of the evaluated boron carbide was found to be 0.8, and the surface roughness affects only the starting transient, while for silicon carbide the steady-state value ranges from 0.5 to 0.8 depending on the roughness value Ra.
机译：本研究的目的是评估通过等离子体压力压实烧结过程产生的碳化硅和碳化硼陶瓷的碳化硅和碳化硼陶瓷的磨损行为。 执行往复滑动试验以评估碳化硅和碳化硼的摩擦学行为。 测试了具有不同表面粗糙度Ra明显值的每种材料的样品。 磨损质量损失，通过显微镜和能量分散光谱探针评估碳化硼和碳化硅的摩擦和碳化硅系的系数。 发现评估的碳化硼的摩擦系数为0.8，并且表面粗糙度仅影响起始瞬变，而对于碳化硅，稳态值根据粗糙度值Ra而距离0.5至0.8。

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