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ZHU Lianxi ZOU Siwei Chengdu University of Science and Technology , Chengdu , China ZHU Lianxi Dept.fo Environmental Science and Engineering , Chengdu University of Science and Technology , Chengdu 610065 , China
金属学报(英文版)
The reaction kinetie model for the synthesis of ultrafine TiN powder from vapour phase sys- tem TiCl_4-NH_3-H_2-N_2 in the high frequency plasma reactor was proposed as follows: 1/V((dn_(TiCl_4))/dt)=0.852e~(-63.2·RT)P_(TiCl_4) The majority of factors influenced upon the reaction rate were analysed,so as to provide the theoretical basis for improving quality of TiN powder and for optimizing the design of plasma reactor.
关键词: TiN , null , null
LI Shuchen Southwestern Jiaotong University , Chengdu , ChinaCHEN Mengzhe KE Jun University of Science and Technology Beijing , Beijing , China
On the basis of statistical data of MnS in the conventional 3% Si steel sheeets after various annealing processes,the critical inclusion factor has been evaluated to be 20 mm~(-1).The inhi- bition of MnS to grain growth has been exactly described.
关键词: 3%Si steel , null , null
