【摘 要】
：
通过固相沉积法合成了一维硫化铌纳米材料,用透射电子显微镜表征了该一维纳米材料的形貌特征.将硫化铌纳米线作为润滑油添加剂,按不同质量分数配比,用MS-T3000摩擦试验机评价
【基金项目】
：
江苏省博士创新计划项目;国家自然科学基金;吉林省科技发展计划
论文部分内容阅读
通过固相沉积法合成了一维硫化铌纳米材料,用透射电子显微镜表征了该一维纳米材料的形貌特征.将硫化铌纳米线作为润滑油添加剂,按不同质量分数配比,用MS-T3000摩擦试验机评价了其摩擦性能,探讨了含硫化铌纳米材料润滑油的摩擦机制.结果表明,在低载荷时,含有NbS2添加剂的润滑油并没有优势,在高载荷时可以有效减小摩擦冈数;单独增加添加剂质量分数,不能相应减小摩擦磨损,且在低载荷时,摩擦因数还会随质量分数的增加而变大,但在高载荷时,随着NbS2质量分数的增加,摩擦因数减小.添加剂有利于提高润滑油的承载能力,其优异的承载能力可能归结于3个方面:独特的闭合结构、润滑膜转移机制和填充条件修复机制.
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