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1981 (1)
1Author    A. Drašner, Ž. BlažinaRequires cookie*
 Title    Structural Studies in the Systems ZrZn 2 _ x Al x and HfZn 2 _ x Al x  
 Abstract    A great number of samples in the systems ZrZ^-arAls and HfZn2_xAl z was prepared and investigated by means of X-ray powder diffraction. In both systems hitherto unknown ternary Friauf-Laves structures of the MgCu2-type (S. G. Fd3m) were identified. Their homogeneity regions were determined to be ZrZno.eAl1.4-ZrZno.4Al1.6 and HfZn1.25Alo.75-HfZno.sAli.s, respectively. The unit cell parameter of ZrZno.sAli.s is a = 747.3 ± 0.3 pm, and for HfZno.sAli.s a = 741.4 ± 0.3 pm. For the alloys of these particular compositions the atomic positions were determined using trial and error methods. In the investigated systems, depending on the composition and/or thermal treatment, alloys having the AuCu3 structure (S. G. Pm3m) were also observed. Structural correlations of these ternary Friauf-Laves phases with their corresponding binary prototypes were made in terms of stacking sequences. 
  Reference    Z. Naturforsch. 36b, 1547—1550 (1981); received August 21 1981 
  Published    1981 
  Keywords    Aluminum, Hafnium, Zinc, Zirconium, Alloy 
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 TEI-XML for    default:Reihe_B/36/ZNB-1981-36b-1547.pdf 
 Identifier    ZNB-1981-36b-1547 
 Volume    36