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《Materials for Mechanical Engineering》 2012-01
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Development and Performance of New-Style Binder Used for TiH_2 Powder Injection Molding

XIAO Ping-an,ZHOU Wei,LIU Su-hong,XIAO Guang-zhi,LEI Bao,ZHANG Xiao-hu(College of Materials Science and Engineering of Hunan University,Changsha,410082,China)  
A new-style wax-based binder was developed to use for TiH2 powder injection molding,the compatibility between binder components was calculated,and the rheological and debinding properties of the binder were analyzed.The results show that the compatibility between new-style binder components was good for mixing with TiH2 powders,and the loading of TiH2 powders was over 70vol%.Rheological performance of the binder was good and stable,its viscosity and viscosity fluid energy was 0.081 Pa·s and 36.85 kJ·mol-1 under the conditions of 160 ℃ and shear rate of 125 s-1.Compared with ordinary wax-based binder,the debinding ratio of new-style binder increased by 20%-30% during the same time when normal heptane was used for debinding under the same process conditions.Skim billets presented little flaws and good shape-holding.Compared with raw powders,the carbon content after thermal debinding increased by 0.02% only,and oxygen and nitrogen contents reduced.
【Fund】: 国家自然科学基金资助项目(51074070 50674044);; 湖南省科技计划资助项目(2009FJ3182)
【CateGory Index】: TF124.39
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Chinese Journal Full-text Database 2 Hits
1 HE Shi-wen, OUYANG Hong-wu, LIU Yong, ZHOU Ke-chao (State Key Laboratory of Powder Metallurgy,Central South University,Changsha Hunan 410083,China);NEW POWDER METALLURGY TECHNIQUE OF PRODUCING TITANIUM ALLOY PARTS[J];Powder Metallurgy Industry;2004-02
2 ZHU Bao jun 1,QU Xuan hui 1,2 ,TAO Ying 3,XIAO Ping an 1,QIN Ming li 1 (1 State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China; 2 School of Materials Science and Engineering, University of Science;Solvent debinding process of wax-based binder in powder injection molding[J];Journal of Central South University of Technology(Natural Science);2001-06
【Secondary Citations】
Chinese Journal Full-text Database 2 Hits
1 Qu Xuanhui,Yan Hansong,Huang Baiyun(Central South University of Techology,Changsha,410083);Development of Binders for Metal Powder Injection Molding[J];POWDER METALLURGY TECHNOLOGY;1997-01
2 Zheng Qifei, Xie Shuisheng and Yuan Guansen (General Research Institutefer Nonferrous Metals, Beijing 100088, China);Investigation on Fabrication of TiNi Shape Memory Alloy by ROC Method[J];CHINESE JOURNAL OF RARE METALS;1999-04
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