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氟橡胶O形圈低压气体密封微动摩擦特性试验 摘要：本文针对氟橡胶O形圈在低压气体环境中的密封性能和微动摩擦特性进行了试验研究。通过实验设计和数据分析，得到了O形圈在低压气体环境下的压缩变形量、密封工作曲线、密封圈面压力分布等数据。同时，对其润滑状态、接触面粗糙度、表面硬度等参数的影响进行了探究，最终得到了O形圈在不同润滑状态下、不同表面粗糙度和硬度下的摩擦系数。实验结果表明，氟橡胶O形圈在低压气体环境中具有良好的密封性能和微动摩擦特性，且其表面硬度和粗糙度对其摩擦系数有重要影响。关键词：氟橡胶O形圈；低压气体；密封性能；微动摩擦特性；表面硬度；表面粗糙度Abstract: This paper conducts an experimental study on the sealing performance and microfriction characteristics of fluororubber O-rings in low-pressure gas environment. Through experimental design and data analysis, we obtained data such as the compression deformation of the O-ring in low-pressure gas environment, the sealing working curve, and the sealing ring surface pressure distribution. At the same time, the influence of lubrication state, contact surface roughness, surface hardness and other parameters are
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