ACTIVITIES IN SOLID AND LIQUID FE-NI AND FE-CO ALLOYS DETERMINED BY KNUDSEN CELL MASS-SPECTROMETRY

The thermodynamic activities and heats of mixing of liquid and solid solutions in the systems Fe-Ni and Fe-Co have been measured by Knudsen-Cell mass spectrometry using a newly designed molecular beam apparatus. The data obtained for the system Fe-Ni agree very closely with previous results and conf...

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Main Authors: Rammensee, W, Fraser, D
Format: Journal article
Published: 1981
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author Rammensee, W
Fraser, D
author_facet Rammensee, W
Fraser, D
author_sort Rammensee, W
collection OXFORD
description The thermodynamic activities and heats of mixing of liquid and solid solutions in the systems Fe-Ni and Fe-Co have been measured by Knudsen-Cell mass spectrometry using a newly designed molecular beam apparatus. The data obtained for the system Fe-Ni agree very closely with previous results and conform negative deviations over the whole concentration range. Results for Fe-Co indicate negative deviations from ideality for all compositions between X//C//o equals 0. 05-1. 00 and positive deviations below X//C//o equals 0. 05. This supports calorimetric measurements and is in conflict with a previous mass-spectrometric investigation reporting positive deviations from ideality.
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spelling oxford-uuid:d4df553c-9099-4664-a12c-922b4a9fac7c2022-03-27T08:21:51ZACTIVITIES IN SOLID AND LIQUID FE-NI AND FE-CO ALLOYS DETERMINED BY KNUDSEN CELL MASS-SPECTROMETRYJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:d4df553c-9099-4664-a12c-922b4a9fac7cSymplectic Elements at Oxford1981Rammensee, WFraser, DThe thermodynamic activities and heats of mixing of liquid and solid solutions in the systems Fe-Ni and Fe-Co have been measured by Knudsen-Cell mass spectrometry using a newly designed molecular beam apparatus. The data obtained for the system Fe-Ni agree very closely with previous results and conform negative deviations over the whole concentration range. Results for Fe-Co indicate negative deviations from ideality for all compositions between X//C//o equals 0. 05-1. 00 and positive deviations below X//C//o equals 0. 05. This supports calorimetric measurements and is in conflict with a previous mass-spectrometric investigation reporting positive deviations from ideality.
spellingShingle Rammensee, W
Fraser, D
ACTIVITIES IN SOLID AND LIQUID FE-NI AND FE-CO ALLOYS DETERMINED BY KNUDSEN CELL MASS-SPECTROMETRY
title ACTIVITIES IN SOLID AND LIQUID FE-NI AND FE-CO ALLOYS DETERMINED BY KNUDSEN CELL MASS-SPECTROMETRY
title_full ACTIVITIES IN SOLID AND LIQUID FE-NI AND FE-CO ALLOYS DETERMINED BY KNUDSEN CELL MASS-SPECTROMETRY
title_fullStr ACTIVITIES IN SOLID AND LIQUID FE-NI AND FE-CO ALLOYS DETERMINED BY KNUDSEN CELL MASS-SPECTROMETRY
title_full_unstemmed ACTIVITIES IN SOLID AND LIQUID FE-NI AND FE-CO ALLOYS DETERMINED BY KNUDSEN CELL MASS-SPECTROMETRY
title_short ACTIVITIES IN SOLID AND LIQUID FE-NI AND FE-CO ALLOYS DETERMINED BY KNUDSEN CELL MASS-SPECTROMETRY
title_sort activities in solid and liquid fe ni and fe co alloys determined by knudsen cell mass spectrometry
work_keys_str_mv AT rammenseew activitiesinsolidandliquidfeniandfecoalloysdeterminedbyknudsencellmassspectrometry
AT fraserd activitiesinsolidandliquidfeniandfecoalloysdeterminedbyknudsencellmassspectrometry