[1] [1] M. Yan. Effect of Cu, Mo, Si on the content of retained austenite of austempered ductile iron [J]. Scrip. Metall. Mater., 1995, 32(9):1313～1317

[4] [4] Luan Jingfei. Microstructure and wear resistance of ductile cast iron laser clad with Ni-Ti-Co-C [J]. J. Mater. Sci. Technol., 1999, 15(3):222～224

[5] [5] W. J. Tomlinson, M. Cash. Dry sliding wear of grey iron laser surface cladded with 14%-40% chromium [J]. Wear, 1991, 142(2):383～386

[12] [12] M. Steen. The Industrial Laser Annual Handbook [M]. Tulsa: Penn Well Publ, 1987

[13] [13] D. N. H. Trafford, T. Bell. Laser treatment of grey iron [J]. Metals Technology, 1983, 10(2):69～77

[14] [14] J. Choi, J. Mazumder. Non-equilibrium synthesis of Fe-Cr-C-W alloy by laser cladding [J]. Journal of Materials Science, 1994, 29(17):4460～4476

[15] [15] J. H.Ouyang, Y. T. Pei. Tribological behaviour of laser clad TiCp composite coating [J]. Wear, 1995, 185(1/2):167～172

[16] [16] T. C. Lei. Microstructure and wear resistance of laser clad TiC partical reinforced coating [J]. Mater. Sci. Technol., 1995, 11(5):520～526

[18] [18] M. Qian. Initiation and propagation of microcracks in white cast irons under static indentation test [J]. AFS Transactions, 1996, (6):729～733