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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
Intermetallics
A comprehensive survey was made of various advances of intermetallics research in China. The investigation focussed on the fundamental research and materials development. Charge density distribution and site occupancy of alloying elements, environmental embrittlement and chemical reaction, interface structures and phase transformation at the atomic scale, nanocrystalline intermetallics and its thermal stability, superplastic behavior and anomalous yield strength peak are reviewed. Several Ti-Al and Ni-Al based alloys have been manufactured, and show good mechanical properties. Diverse components have been fabricated successfully. (C) 2000 Elsevier Science Ltd. All rights reserved.
关键词: aluminides, miscellaneous;hydrogen embrittlement;mechanical properties;at high temperatures;superplastic behavior;phase interfaces;grain-boundary fracture;in-situ composites;environmental;embrittlement;hydrogen embrittlement;ni3al;compression;alloys;co3ti;boron;feal
钢铁研究学报(英文版)
关键词:
稀土学报(英文版)
