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化工学报  2014 

非平衡热力学在摩擦领域聚合物复合材料设计中的应用

DOI: 10.3969/j.issn.0438-1157.2014.05.011, PP. 1629-1635

Keywords: 热力学,复合材料,自润滑材料,摩擦材料,摩擦热产生,传热

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Abstract:

以自润滑材料和摩擦材料为例,基于非平衡热力学原理从热量产生和传递的根本问题出发,研究摩擦系数和热导率对材料接触面温度的影响,指导聚合物基复合材料的设计。对于自润滑材料来说,将摩擦热量产生和传递过程假设成两个过程的串联,发现摩擦热产生是摩擦系统整体稳定运行的关键控制因素。对于摩擦材料来说,将摩擦热量传递过程假设成传递热量和分配热量两个过程的并联,发现需采用降低刹车片热导率的逆向思维降低接触面温度。

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