关键词: 碳纳米管;陶瓷涂层;耐磨性

Abstract: Ceramic coatings were prepared by sol-gel process .In order to improve the comprehensive performance , the proper amount of carbon nanotubes was added .The micro topography , micro hardness , friction and wear properties were studied .The experiment conveys that the structure for the coatings is compact and close , and the carbon nanotubes were dispersed homogeneously in the coatings;the average micro hardness gains the maximum value 750 HV when the carbon nanotubes amounts to 0.3wt％in the total quantity and then the average micro hardness begins to decrease when the carbon nanotubes is added continually;the friction coefficient gains 0.35 and the wear property gain 0.573 ×10 -3 mm3/Nm when the carbon nanotubes amounts to 0.5wt％in the total quantity with the best performance for friction and wear property .

Key words: carbon nanotube;ceramic coating;wear-resisting property