2Steven J Gerdemann. Titanium process technologies [J].Adv Mater Proc,2001,(7): 41
3Powlsen E R,Hall J A. Extractive metallurgy of titanium : a review of the state of the art and evolving production techniques. J Metals, 1983,6 : 60
4George Zheng Chen,Derek J Fray,Tam W Farthing. Direct electrochemical reduction of titanium dioxide to titanium in molten calcium chloride. Nature, 2000,407 (9) : 361
5Froes F H. Sixteenth annual international titanium association conference and exhibition [J]. Light Metal Age, 2001,(2):82
6Bullard D E,Lynch D C. Metall Mater Trans B,1997,20(12):1069
7Hutchison S G,Wai C M,Dong J,et al. Plas Chem Plas Proc,1995,15(2):353
