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首页> 美国卫生研究院文献>Polymers >Fabrication of Self-Lubricating Porous UHMWPE with Excellent Mechanical Properties and Friction Performance via Rotary Sintering
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Fabrication of Self-Lubricating Porous UHMWPE with Excellent Mechanical Properties and Friction Performance via Rotary Sintering

机译：通过旋转烧结制备具有优异机械性能和摩擦性能的自润滑多孔超高分子量聚乙烯

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摘要

Porous ultra-high-molecular-weight polyethylene (UHMWPE) self-lubricating materials were designed and fabricated by a rotary sintering method, and the microstructure and properties were evaluated. Results showed that the rotary molding could not only significantly improve the molding efficiency but also formed uniform internal microstructures with high porosity, excellent mechanical properties, and low friction coefficient. Under oil lubricating conditions, the friction curve of samples quickly reached a steady state, the friction coefficient was reduced by 50%, and the repeat utilization was up to 99%. The following optimum sintering conditions were shown: Sintering temperature of 180 °C or 190 °C, sintering time determined as 10 min, and loading capacity of between 3.6 g and 3.8 g. Therefore, it is expected that this work will open a convenient and compatible strategy for fabricating porous materials with good self-lubricating performance.
机译：通过旋转烧结法设计制造了多孔超高分子量聚乙烯（UHMWPE）自润滑材料，并对其微观结构和性能进行了评价。结果表明，旋转模塑不仅可以显着提高模塑效率，而且可以形成均匀的内部微观结构，具有高孔隙率，优异的机械性能和低摩擦系数。在油润滑条件下，样品的摩擦曲线迅速达到稳定状态，摩擦系数降低了50％，重复利用率高达99％。显示了以下最佳烧结条件：烧结温度为180°C或190°C，烧结时间确定为10分钟，装载量在3.6 g至3.8 g之间。因此，期望这项工作将为制造具有良好自润滑性能的多孔材料开辟方便且兼容的策略。

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