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PREFERRED ORIENTATION OF DEPOSITED TiC COATING ON STEEL BY CVD

GUO Chengyan Jilin Institute of Technology , Changchun , ChinaGOTO Takashi HIRAI Toshio Tohoku University , Japan Associate Professor , Department of Materials Engineering , Jilin Institute of Technology , Changchun 130012 , China

金属学报(英文版)

Investigation was made of the deposited rate,surface morphology and crystal pre- ferred orientation of the dense TiC coating onto austenitic stainless steel in relation with CH_4/TiCl_4 mole ratio and temperature adopted in CVD processing. When the CH_4/TiCl_4 ratio is low or high,the preferred orientation may be(220)or(200),respec- tively,which is mainly dependent on the equilibrium concentration of active C in vapour phase.

关键词: preferred orientation , null , null

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