摘要
通过纳米金刚石磨粒与三氯氧磷的酯化反应，合成了纳米金刚石磨粒磷酸酯衍生物。采用傅立叶转换红外线光谱仪（FTIR）、飞行时间二次离子质谱仪（TOF—SIMS）对该改性物进行了结构表征。利用四球摩擦磨损试验机研究了化学修饰后纳米金刚石磨粒在水基基础液的摩擦学行为，发现基础液中纳米金刚石磨粒磷酸酯衍生物浓度为0．05％～0．075％时，能够使水基基础液的承载能力提高10％，磨斑直径降低2．6％。经过三氯氧磷酯化反应后的纳米金刚石磨粒具有更好的摩擦性能。
The ultra-fine diamond particle （UFD） phosphate derivant was prepared by esterification reaction and characterized by means of FTIR and TOF-SIMS. The tribologieal properties of the prepared UFD phosphate derivant in the water-base solution were evaluated by using a four-ball friction wear testing machine. It is found that the load-carrying capacity （PB value） of the water-base solution was obviously enhanced by 10% and the wear scar diameter was reduced by 2.6% , when 0.05% -0. 075% of the UFD phosphate derivant was used. The UFD phosphate derivant leads to more considerably improved tribological properties.
出处
《金刚石与磨料磨具工程》
CAS
北大核心
2008年第5期48-50,65,共4页
Diamond & Abrasives Engineering
基金
上海市重点培育学科项目资助
关键词
纳米金刚石
化学修饰
磷酸酯
摩擦学
nano-diamond particle
chemical modification
phosphate
tribological properties
