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Mixing enthalpies in liquid alloys of manganese with the lanthanides

  • Michael Ivanov , Vadim Berezutski and Nathalia Usenko

Abstract

The enthalpies of mixing in binary liquid alloys of manganese with the lanthanides (Nd, Gd, Tb, Dy, Tm and Lu) were determined over a wide range of composition by isoperibolic calorimetry. The heats of mixing in the systems were found to change gradually across the lanthanides row from the Mn–Nd system (ΔHmin = – 0.40 ± 0.26 kJ mol− 1 at xNd = 0.14; ΔHmax = 1.99 ± 0.65 kJ mol− 1 at xNd = 0.60; T = 1 600 K) to the Mn–Lu system (ΔHmin = – 6.76 ± 0.93 kJ mol− 1 at xLu = 0.40; T = 1 700 K)


* Correspondence address, Dr. Nathalia Usenko, Taras Shevchenko National University, Department of Chemistry, 64, Volodymirska St., 01601 Kyiv, Ukraine. Tel.: +380 44 239 3370, E-mail:

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Received: 2009-11-18
Accepted: 2010-12-13
Published Online: 2013-06-11
Published in Print: 2011-03-01

© 2011, Carl Hanser Verlag, München

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