A thermodynamic study of liquid Fe-Si-B alloys : an influence of ternary associates on a liquid → glass transition

A.I. Zaitsev; N.E. Zaitseva; A. Kodentsov

doi:10.1007/s11663-003-0095-9

A thermodynamic study of liquid Fe-Si-B alloys : an influence of ternary associates on a liquid → glass transition

A.I. Zaitsev, N.E. Zaitseva, A. Kodentsov

Materials and Interface Chemistry

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

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Knudsen-cell mass spectrometry and the integral variant of effusion method have been applied to investigate the thermodynamic properties of liquid Fe-Si-B alloys at temperatures from 1423 to 1894 K over concentration intervals of 9-88.8 at. pct Fe. 2.6-81.4 at. pct Si, and 7.5-50 at. pct B. The activity values of the components and the Gibbs energy of the Fe-Si-B melt formation have been determined over a wide temperature-concentration range. The concentration and temperature dependences of the thermodynamic functions of liquid Fe-Si-B alloy have been described adequately within the ideal associated-solution model under the assumption that binary and ternary associates exist in the melt. The relevance of the model was tested in the undercooled region. The glass-forming ability of the melt as shown could be interpreted in terms of the thermodynamic parameters of the association reactions. A specific role of ternary interaction was clarified.

Originele taal-2	Engels
Pagina's (van-tot)	887-898
Tijdschrift	Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Volume	34
Nummer van het tijdschrift	6
DOI's	https://doi.org/10.1007/s11663-003-0095-9
Status	Gepubliceerd - 2003

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abstract = "Knudsen-cell mass spectrometry and the integral variant of effusion method have been applied to investigate the thermodynamic properties of liquid Fe-Si-B alloys at temperatures from 1423 to 1894 K over concentration intervals of 9-88.8 at. pct Fe. 2.6-81.4 at. pct Si, and 7.5-50 at. pct B. The activity values of the components and the Gibbs energy of the Fe-Si-B melt formation have been determined over a wide temperature-concentration range. The concentration and temperature dependences of the thermodynamic functions of liquid Fe-Si-B alloy have been described adequately within the ideal associated-solution model under the assumption that binary and ternary associates exist in the melt. The relevance of the model was tested in the undercooled region. The glass-forming ability of the melt as shown could be interpreted in terms of the thermodynamic parameters of the association reactions. A specific role of ternary interaction was clarified.",

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A thermodynamic study of liquid Fe-Si-B alloys : an influence of ternary associates on a liquid → glass transition. / Zaitsev, A.I.; Zaitseva, N.E.; Kodentsov, A.

In: Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, Vol. 34, Nr. 6, 2003, blz. 887-898.

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

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AB - Knudsen-cell mass spectrometry and the integral variant of effusion method have been applied to investigate the thermodynamic properties of liquid Fe-Si-B alloys at temperatures from 1423 to 1894 K over concentration intervals of 9-88.8 at. pct Fe. 2.6-81.4 at. pct Si, and 7.5-50 at. pct B. The activity values of the components and the Gibbs energy of the Fe-Si-B melt formation have been determined over a wide temperature-concentration range. The concentration and temperature dependences of the thermodynamic functions of liquid Fe-Si-B alloy have been described adequately within the ideal associated-solution model under the assumption that binary and ternary associates exist in the melt. The relevance of the model was tested in the undercooled region. The glass-forming ability of the melt as shown could be interpreted in terms of the thermodynamic parameters of the association reactions. A specific role of ternary interaction was clarified.

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