4Picasso M, Marsden C F, Wagniere J D, et al. A simple but realistic model for laser cladding[J]. Metal Metallurgical and Meterials Transactions B, 1994, 25B(4) :281 --291.
6Griffith M L, Keicher D M, Atwood C L, et al. Freeform fabrication of metallic components using laser engineered net shaping LENS. Proceedings of the Solid Freeform Fabrication Symposium Proceedings[ C]. Austin:University of Texas, 1996. 125.
7Griffith M L,Harwell L D,Romero J A,et al. Multi-material processing by LENS, proceedings of the solid freeform fabrication symposium. Proceedings of the Solid Freeform Fabrication Symposium [ C]. Austin: University of Texas, 1997. 387.
8Griffith M L, Schlienger M E, Harwell L D, et al. Thermal behavior in the LENS process. Solid Freeform Fabrication Symposium Proceedings[C]. Austin: University of Texas, 1998, 89.
9Arcella F G, Frees F H. Producing titanium aerospace components from powder using laser Forming [ J ]. ProQuest Science Journals,2000,52 (5) : 28.
10Blackwell P L, Wisbey A. Laser-aided manufacturing technologies: their application to the ncar-net shape forming of a high-strength titanium alloy[J]. Materials Processing Technology, 2005,170 : 268-276.