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In-situ synthesis of CNTs reinforced Ti based brazing powder by PECVD

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【Author】 Qi Junlei;Wan Yuhan;Zhang Fu;Cao Jian;Zhang Lixia;Feng Jicai;State Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology;

【机构】 State Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology；

【摘要】 CNTs/TiH₂ composite powders were prepared by plasma enhanced chemical vapor deposition（PECVD）.CNTs dispersed uniformly on the surface of TiH₂ particles and few defects were found in the tubular structure of the CNTs.According to DTA analysis,CNTs do not react with the base material Ti under 1 200 t.In order to investigate the application of CNTs/TiH₂ powders in brazing,CNTs/TiH₂ powders were mechanically mixed with Ni powders to develop a new type of brazing powder,and wetting experiments at 1 100℃ showed a good wettability of CNTs/TiNi brazing powder.更多还原

【Abstract】 CNTs/TiH₂ composite powders were prepared by plasma enhanced chemical vapor deposition（PECVD）.CNTs dispersed uniformly on the surface of TiH₂ particles and few defects were found in the tubular structure of the CNTs.According to DTA analysis,CNTs do not react with the base material Ti under 1 200 t.In order to investigate the application of CNTs/TiH₂ powders in brazing,CNTs/TiH₂ powders were mechanically mixed with Ni powders to develop a new type of brazing powder,and wetting experiments at 1 100℃ showed a good wettability of CNTs/TiNi brazing powder.更多还原

【关键词】 CNTs； PECVD； Ti based brazing powder； reinforcement；
【Key words】 CNTs； PECVD； Ti based brazing powder； reinforcement；

【基金】 supported by the National Natural Science Foundation of China(Grant No.51105108);the Fundamental Research Funds for the Central Universities(Grant No.HIT.NSRIF.2010113)

【文献出处】 China Welding ,中国焊接(英文版) , 编辑部邮箱 ,2013年04期

【分类号】TG425

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