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王静哲,张家敏,易健宏,甘国友,刘意春.基于TiH2粉末制备Ti-13Nb-13Zr合金的微观组织与结构[J].稀有金属材料与工程(英文),2019,48(1):152~158.[wangjingzhe,Zhang Jiamin,Yi Jianhong,Gan Guoyou and Liu Yichun.Microstructure of Ti-13Nb-13Zr alloy prepared by powder metallurgy method using TiH2 as raw material[J].Rare Metal Materials and Engineering,2019,48(1):152~158.]
Microstructure of Ti-13Nb-13Zr alloy prepared by powder metallurgy method using TiH2 as raw material
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Received:May 18, 2017  Revised:June 10, 2017
DOI:
Key words: TiH2  ZrH2  Ti-13Nb-13Zr  Titanium powder metal metallurgy
Foundation item:国家自然科学基金资助(项目号51464027)
Author NameAffiliation
wangjingzhe,Zhang Jiamin,Yi Jianhong,Gan Guoyou and Liu Yichun  
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Abstract:
      The sintering process is formulated by dehydrogenation properties of titanium hydride and zirconium hydride,combined with powder metallurgy method,Ti-13Nb-13Zr alloy is prepared by die pressing and vacuum sintering titanium hydride powde,niobium and zirconium hydride powder.The sample is investigated by metallographic microscope,SEM,XRD.The result shows that through this process, the relative density of sintered body is 92.2%.SEM result shows that platelet α and platelet β exists in the alloy.During the formation of the alloy,as beta stable element niobium makes the β-phase is still in the alloy after cooling.Analysis based on XRD data reveals the presence of the α-Ti andα-Zr are hcp and the β-Ti、Nb and β-Zr are bcc.