低相变点耐磨焊条的性能研究

On the base of low transformation temperature electrodes, we put in other alloying elements , suitably adjusted the contents of carbon which influence the temperature of martensite transformation, thus obtained one kind of high hardness wear resistant low transformation temperature electrodes. The results showed that the crack of deposited metal did not occur even under conditions of non-preheating and non-postheating. The microstructure of deposited metal was lath martensite and retained austenite with carbides which are dispersively distributed in the matrix. Its hardness was not less than HRC54，which could be used to welding axis and rollers。However，the deposited metal has a high wear resistance, and its relative wearabillty is 33 times better than that of female material 45 sharpens.