NiCr/AgVO3 self-lubricating composite was prepared by powder cold-pressed method with the NiCr alloy as the matrix and 10 wt.% additive of AgVO3 as solid lubricant.The AgVO3 additive powder was synthesized by the precipitation method which exhibits a melting point of 460℃.Microstructure,phase composition and thermal properties of the AgVO3 powder,as well as the composite of NiCr/AgVO3 were analyzed using scanning electron microscopy(SEM),transmission electron microscopy(TEM),X-ray diffraction(XRD) and differential scanning calorimeter(DSC).The friction and wear behavior of the specimens from room temperature(R.T.) to 800℃ was evaluated using a ball-on-disk tribometer and 3D white light interference(WLI).The results showed that the friction coefficient of this material under atmosphere decreases with temperature increasing from R.T.to 800℃.However,the wear rate firstly increases from R.T.to 200℃,almost remains stable from 200℃ to 600℃,and then decreases with further increasing the temperature up to 800℃.It is also found that the prepared composite materials show a better frictional behavior than NiCr alloy over the whole range of temperatures,which is mainly attributed to solid lubrication of AgVO3 exhibiting a lamella-slip structure at temperatures below 460℃ and forms liquid-film at elevated temperatures above the melting point. NiCr / AgVO3 self-lubricating composite was prepared by powder cold-pressed method with the NiCr alloy as the matrix and 10 wt.% Additive of AgVO3 as solid lubricant. The AgVO3 additive powder was synthesized by the precipitation method which exhibits a melting point of 460 ° C. Microstructure, phase composition and thermal properties of the AgVO3 powder, as well as the composite of NiCr / AgVO3 were analyzed using scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction The friction and wear behavior of the specimens from room temperature (RT) to 800 ° C was evaluated using a ball-on-disk tribometer and 3D white light interference (WLI). The results showed that the friction coefficient of this material under atmosphere decreases with temperature increasing from RT to 800 ° C.However, the wear rate increase from RT to 200 ° C., almost remains stable from 200 ° C. to 600 ° C., and then decreases with further increasi ng the temperature up to 800 ° C.It also found that the prepared composite materials show a better frictional behavior than NiCr alloy over the whole range of temperatures, which is mainly attributed to solid lubrication of AgVO3 exhibiting a lamella-slip structure at an altitude below 460 ° C and forms liquid-film at the elevated temperatures above the melting point.