为了寻找适合于低速大扭矩海水液压马达的各摩擦副之间的配对材料,分别以不锈钢(316L和9Cr18Mo)与玻纤环氧复合材料(GFER)及碳纤维增强聚醚醚酮(CFRPEEK)为摩擦副,利用MMU-5G屏显式高温材料端面摩擦磨损试验机对摩擦副在海水中接触表面的温度、摩擦因数和摩擦磨损状况进行了测试,并通过激光共聚焦显微镜对接触表面的磨损形貌进行分析.结果表明:不锈钢/GFER的摩擦因数随着时间的变化在0.3～0.4间波动且幅度较大,而不锈钢/CFRPEEK的摩擦因数随着时间的增加稳定在0.1左右;不锈钢/GFER所引起海水温升的幅度也远远高于不锈钢/CFRPEEK;不锈钢/GFER的接触表面出现了大面积的涂抹与擦伤,且磨损程度要大于不锈钢/CFRPEEK;不锈钢316L的耐腐蚀性优于9Cr18Mo.由此可知,316L/CFRPEEK较适合作为低速大扭矩海水液压马达的摩擦副材料.
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