PHASE RELATIONSHIPS IN R-Fe PSEUDOBINARY SYSTEM (R=Dy_(0.65)Tb_(0.25)Pr

金属学报(英文版), 1996, 9(2): 109-115.

PHASE RELATIONSHIPS IN R-Fe PSEUDOBINARY SYSTEM (R=Dy_(0.65)Tb_(0.25)Pr_(0.1))

WANG Bowen , WU Changheng , ZHUANG Yuzhi , JIN Ximei(Institute of Metal Research , Chinese Academy of Sciences , Shenyang 110015 , China)(Shenyang Institute of Technology , Shenyang 110023 , China)

Keywords： :rare earth-iron alloy , null , null

The phase relationships of R-Fe pseudobinary system(R=Dy0.65Tb0.25Pr0.1) have been determined using optical microscopy,X-ray diffraction,EPMA and DTA techniques.This system contains one eutectic reaction and four peritectic reactions.The four intermetallic compounds are(Dy,Tb,Pr)Fe2,(Dy,Tb,Pr)Fe3,(Dy,Tb,Pr)6Fe23 and(Dy,Tb,Pr) 2Fe17 The homogeneity regions of these compounds shift towards rare earth-rich side of the stoichiometric composition except(Dy, Tb,Pr) 2Fe17.

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PHASE RELATIONSHIPS IN R-Fe PSEUDOBINARY SYSTEM (R=Dy_(0.65)Tb_(0.25)Pr_(0.1))

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