【摘 要】
：
研究阴极电弧沉积制备的类金刚石(DLC)涂层对镍−铝−青铜(NAB)合金力学性能、摩擦学行为和腐蚀性能的影响。纳米硬度测试显示,与NAB合金相比,DLC涂层具有更大的硬度。销盘摩
【机 构】
：
DepartmentofMaterialsEngineering,DepartmentofMaterialsEngineering,DepartmentofMaterialsEngineeringan
论文部分内容阅读
研究阴极电弧沉积制备的类金刚石(DLC)涂层对镍−铝−青铜(NAB)合金力学性能、摩擦学行为和腐蚀性能的影响。纳米硬度测试显示,与NAB合金相比,DLC涂层具有更大的硬度。销盘摩擦测试显示,摩擦因数由NAB合金的0.2降低为DLC涂层的0.13。动电位极化和电化学阻抗谱结果表明,在3.5%(质量分数)的NaCl溶液中,腐蚀电流密度由NAB合金的2.5μA/cm2降低到DLC涂层的0.14μA/cm2。此外,基体−电解质界面的电荷转移电阻由NAB合金的3.3 kΩ·cm2提高到DLC涂层的120.
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