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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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胍盐离子液体的合成及其对钢/钢摩擦副的摩擦性能研究*
Keywords: 材料科学基础学科,离子液体,摩擦学性能,钢/钢摩擦副
Abstract:
？采用先溴化再置换的方法合成了两种胍盐离子液体,利用热重分析仪评价了离子液体的热稳定性。研究了这两种胍盐离子液体的摩擦学性能,在扫描电子显微镜下观察了磨斑表面形貌,并与膦嗪以及全氟聚醚和烷基咪唑离子液体进行对比。用x射线光电子能谱仪(xps)分析了润滑机理。结果表明:与膦嗪、全氟聚醚以及烷基咪唑离子液体相比,胍盐离子液体对钢/钢摩擦副具有非常好的润滑作用,其承载能力最强,摩擦系数最小,磨痕最浅,并且增长链长可以有效地提高其减摩抗磨效果。
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