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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >CHARACTERIZATION OF WEAR OF A SOFT COATING DEPOSITED ON TITIANIUM ALLOY DURING FRETTING
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CHARACTERIZATION OF WEAR OF A SOFT COATING DEPOSITED ON TITIANIUM ALLOY DURING FRETTING

机译：钛合金熔铸过程中涂层磨损的表征。

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摘要

Fretting behavior of Cu-Al coating on Ti-6Al-4V substrate was investigated with and without fatigue load. Soft and rough Cu-Al coating resulted in abrasive wear and a large amount of debris remained at the contact surface which caused an increase in tangential force during the fretting test under gross slip condition. Fretting in the partial slip condition also showed the wear of coating. To characterize wear, dissipated energies during fretting were calculated from fretting loops and wear volumes were obtained from worn surface profiles. Energy approach of wear analysis showed a linear relationship between wear volume and accumulated dissipated energy. This relationship was independent of fatigue loading condition and extended from partial slip to gross slip regimes.
机译：研究了在有和没有疲劳载荷的情况下，Ti-6Al-4V基底上的Cu-Al涂层的微动行为。柔软而粗糙的Cu-Al涂层会导致磨料磨损，并且在接触表面上残留大量碎屑，这在大滑移条件下的微动试验期间导致切向力增加。在部分滑移状态下的微动也表明涂层的磨损。为了表征磨损，从微动环计算微动过程中的耗散能量，并从磨损的表面轮廓获得磨损量。磨损分析的能量方法显示了磨损量与累积耗散能量之间的线性关系。这种关系独立于疲劳载荷条件，并从部分滑移扩展到大滑移状态。

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