Research on Process and Microstructure of Titanium Prepared with Titanium Hydride Powder AITranslate
Abstract AITranslate
TiH2powder with a particle size of less than 74μm and a density of 1.27g/cm^3 was obtained by hydrogenation of pure Ti waste,and then TiH2powder was treated by pretreatment,cold isostatic pressing and high temperature sintering process to produce pure Ti.The strength and density of the compact were tested by three-point bending tester and drainage method.The change trend of the strength and density of the compact,the density of the sintered sample,and the chemical composition and microstructure of the compact were studied by the means of SEM,EDS and the hydrogen/oxygen element analysis.The results show that the TiH2 powder pretreated at 500℃ can obtain higher compact strength and density under the molding pressure of 200MPa.Pure Ti sintered samples with equiaxed structure,density of 4.48g/cm^3 and hydrogen content of 0.001% were prepared from TiH2compacts with vacuum degree higher than 10-3 Pa, calcination temperature of 1400℃,calcination time of 2h.The other chemical compositions of pure Ti sintered samples met the national standard of pure Ti.
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Basic Information:
DOI：
Chinese Library Classification Number:TF124[冶金工程—粉末冶金]
Citation Information:
TiH2powder with a particle size of less than 74μm and a density of 1.27g/cm^3 was obtained by hydrogenation of pure Ti waste,and then TiH2powder was treated by pretreatment,cold isostatic pressing and high temperature sintering process to produce pure Ti.The strength and density of the compact were tested by three-point bending tester and drainage method.The change trend of the strength and density of the compact,the density of the sintered sample,and the chemical composition and microstructure of the compact were studied by the means of SEM,EDS and the hydrogen/oxygen element analysis.The results show that the TiH2 powder pretreated at 500℃ can obtain higher compact strength and density under the molding pressure of 200MPa.Pure Ti sintered samples with equiaxed structure,density of 4.48g/cm^3 and hydrogen content of 0.001% were prepared from TiH2compacts with vacuum degree higher than 10-3 Pa, calcination temperature of 1400℃,calcination time of 2h.The other chemical compositions of pure Ti sintered samples met the national standard of pure Ti.
quote
| GB/T 7714-2015 | [1] ZHANG Xiao, ZHONG Jing-ming, WAN Qing-feng, et al. Research on Process and Microstructure of Titanium Prepared with Titanium Hydride Powder[J]. Rare Metals and Cemented Carbides, 2018(6): 19-24. |
| MLA | [1] ZHANG Xiao, et al., "Research on Process and Microstructure of Titanium Prepared with Titanium Hydride Powder." Rare Metals and Cemented Carbides, no. 6, 2018, pp. 19-24. |
| APA | [1] ZHANG Xiao, ZHONG Jing-ming, WAN Qing-feng, ZHU Bao-hui, LIU Yun-feng, & HAN Peng. (2018). Research on Process and Microstructure of Titanium Prepared with Titanium Hydride Powder. Rare Metals and Cemented Carbides(6), 19-24. |
| IEEE | [1] ZHANG Xiao, ZHONG Jing-ming, WAN Qing-feng, ZHU Bao-hui, LIU Yun-feng, and HAN Peng, "Research on Process and Microstructure of Titanium Prepared with Titanium Hydride Powder," Rare Metals and Cemented Carbides, no. 6, pp. 19-24, 2018. keywords: {powder metallurgy;titanium hydride;sintering;dehydrogenation;pure titanium} |