Abstract
Standard enthalpies of formation, ΔfH, of the Laves-phases within their solid solutions along the Cr2Nb–Fe2Nb section were measured using drop solution calorimetry for the first time. The enthalpy values change linearly from −2.9kJmol−1atom−1 for binary C15-Cr2Nb to −13.6kJmol−1atom−1 for C14-Fe2Nb. The obtained values are compared with some earlier results on the binary compounds gathered mostly from ab initio calculations.
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