Laser cladding of 316 L steel powders on pick s ubstrate of coal mining machinewas conducted,and microstructure of laser cladding coating was analyaed.The mi-cro-hardness of laser cladding coating was examined.The res...Laser cladding of 316 L steel powders on pick s ubstrate of coal mining machinewas conducted,and microstructure of laser cladding coating was analyaed.The mi-cro-hardness of laser cladding coating was examined.The results show that microstruc-ture of laser cladding zone is exiguous dentrite,and there are hard spots dispersible dis-tribution in the laser cladding zone.Performances of erie-resistant,surface mi-cro-hardness and wear-resistant are improved obviously.展开更多
文摘Laser cladding of 316 L steel powders on pick s ubstrate of coal mining machinewas conducted,and microstructure of laser cladding coating was analyaed.The mi-cro-hardness of laser cladding coating was examined.The results show that microstruc-ture of laser cladding zone is exiguous dentrite,and there are hard spots dispersible dis-tribution in the laser cladding zone.Performances of erie-resistant,surface mi-cro-hardness and wear-resistant are improved obviously.
