With graphite particle content increasing from 5% to 20%, wear weight-loss and friction coefficient of the composites are obviously declined, greatly improving wear resistance of the composites.

随着石墨颗粒含量从5%增加到20%，镁合金基复合材料的耐磨性得到明显的改善，磨损质量损失与摩擦系数都降低到较低水平。

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This surface has extreme hardness (60 RC. ), excellent wear and corrosion resistance, and low coefficient of friction.

这表面有极高的硬度（60局。），耐磨性和耐腐蚀性，低摩擦系数。

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It shows that the elastic modulus and the molecular component of friction coefficient of the pulley material have great influence on the wear resistance of wire rope.

结果表明，绳轮材料的弹性模量和摩擦系数分子分量，对钢丝绳耐磨性能有很大影响。

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