典型文献
Water-based lubrication of niobium nitride
文献摘要：
Water-based lubrication has attracted wide attention as an oil-free lubrication method owing to its greener and cleaner lubrication means.However,due to operating in the water environment,most moving parts would inevitably suffer from abrasion,rusting,and aging problems.Developing a novel solid-water composite system with ultra-low friction and wear will open new possibilities for innovative lubrication material research and development.Here,we first revealed the water-based lubrication behavior of a high-hardness niobium nitride coating(NbN).In a three-phase contact environment(water,air,and NbN),oxidation and hydrolytic reactions of NbN result in the formation of"colloidal solutions",containing Nb2O5 colloidal particles between the tribo-pairs.Utilizing the double electric layer repulsion and weak shear action of the"colloidal solution",NbN achieves ultra-low friction and wear;the corresponding values are as low as 0.058 and 1.79×10-10 mm3·N-1·m-1,respectively.In addition,other VB transition metal nitrides(VB TMNs)exhibit the same low friction feature as NbN in the three-phase contact environment;the friction coefficients are even lower than those in an oil-based environment.The water-based lubrication of VB TMNs provides a new reliable scheme for optimizing solid-water composite lubrication systems without additives and is expected to be applied in environments with high humidity or insufficient water coverage.
文献关键词：
中图分类号：
作者姓名：
Kaifei MIAO;Jia WANG;Qiang ZHAO;Kaiwen WANG;Mao WEN;Kan ZHANG
作者机构：
State Key Laboratory of Superhard Materials,Department of Materials Science,Key Laboratory of Automobile Materials,MOE,Jilin University,Changchun 130012,China;Department of Materials Science and Engineering,Jilin Jianzhu University,Changchun 130118,China
文献出处：
引用格式：
[1]Kaifei MIAO;Jia WANG;Qiang ZHAO;Kaiwen WANG;Mao WEN;Kan ZHANG-.Water-based lubrication of niobium nitride)[J].摩擦（英文）,2022(06):842-853
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AB值：
0.569876
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