Summary
The system Nb-W-B was investigated by the x-ray diffraction method. The phase equilibria in this system at 1500° C were established (Fig. 1). The compound W2B dissolves 15 at.% Nb, Nb3B2 dissolves 35 at. % W, and NbB dissolves 40 at. % W. The effect of composition on the lattice parameters of solid solutions based on (Nb, W)3B2 and (Nb, W)B is shown in Figs. 2 and 3.
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Kuz'ma, Y.B., Lakh, V.I., Stadnyk, B.I. et al. X-ray diffraction study of the system niobium-tungsten-boron. Powder Metall Met Ceram 5, 491–493 (1966). https://doi.org/10.1007/BF00775542
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DOI: https://doi.org/10.1007/BF00775542