Standard enthalpies of formation of scandium alloys, Sc+Me (MeFe, Co, Ni, Ru, Rh, Pd, Ir, Pt), by high-temperature calorimetry

Autor:	Najim Selhaoui, O. J. Kleppa
Rok vydání:	1993
Předmět:	Mechanical Engineering Inorganic chemistry Metals and Alloys Titanium alloy chemistry.chemical_element Yttrium Calorimetry chemistry Mechanics of Materials Atom Materials Chemistry Physical chemistry Scandium Standard enthalpy change of formation
Zdroj:	Journal of Alloys and Compounds. 191:145-149
ISSN:	0925-8388
DOI:	10.1016/0925-8388(93)90287-w
Popis:	The standard enthalpies of formation of scandium alloys, Sc+Me (MeFe, Co, Ni, Ru, Rh, Pd, Ir, Pt) were determined by direct synthesis calorimetry at 1473±2 K . The following values of Δ f H m o /(kJ g atom −1 ) are reported: Fe 2 Sc, −(11.2 ± 1.2); Co 2 Sc, −(32.5 ± 2.1); CoSc 2 , −(26.7 ± 1.9); Ni 2 Sc, −(43.0 ± 2.3); NiSc, −(44.7 ± 2.3); RuSc, −(44.5 ± 2.2); Rh 3 Sc, −(51.7 ± 1.4); RhSc, −(94.5 ± 1.5); PdSc, −(89.3 ± 2.2); IrSc, −(89.7 ± 3.0); Ir 2 Sc, −(66.3 ± 1.3); PtSc, −(104.8 ± 5.4). The results are compared with predicted values, and with earlier data for some of the corresponding yttrium and titanium alloys.
Databáze:	OpenAIRE
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