Thermodynamic stabilities of AgMn alloys

The activities of manganese in four AgMn alloys ( N Mn = 0.048, 0.090, 0.138 and 0.174) were determined with a twin-chamber Knudsen cell mass spectrometer in the temperature range 1050–1220 K. From the measured a Mn values, the Gibbs enthalpies of formation ΔG m of these four alloys were calculated...

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Veröffentlicht in:	Journal of the less-common metals 1988-10, Vol.143 (1), p.373-376
Hauptverfasser:	Gingerich, K.A, Kingcade, J.E, Stickney, M.J, Chandrasekharaiah, M.S
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Metals, semimetals and alloys Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Specific materials Thermal properties of condensed matter Thermal properties of crystalline solids Thermodynamic properties
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Beschreibung
Zusammenfassung:	The activities of manganese in four AgMn alloys ( N Mn = 0.048, 0.090, 0.138 and 0.174) were determined with a twin-chamber Knudsen cell mass spectrometer in the temperature range 1050–1220 K. From the measured a Mn values, the Gibbs enthalpies of formation ΔG m of these four alloys were calculated as − 446, − 709, − 975 and − 1172 cal mol −1 respectively at 1150 K.
ISSN:	0022-5088
DOI:	10.1016/0022-5088(88)90059-8