The thermodynamic stability induced by solute co-segregation in nanocrystalline ternary alloys
Abstract: The grain growth and thermodynamic stability induced by solute co-segregation in ternary alloys are presented. Grain growth behavior of the single-phase supersaturated grains prepared in Ni–Fe–Pb alloy melt at different undercoolings was investigated by performing isothermal annealings at T = 400 °C–800 °C. Combining the multicomponent Gibbs adsorption equation and Guttmann's grain boundary segregation model, an empirical relation for isothermal grain growth was derived. By application of the model to grain growth in Ni–Fe–Pb, Fe–Cr–Zr and Fe–Ni–Zr alloys, it was predicted that driving grain boundary energy to zero is possible in alloys due to the co-segregation induced by the interactive effect between the solutes Fe/Pb, Zr/Ni and Zr/Cr. A non-linear relationship rather than a simple linear relation between 1/D* (D* the metastable equilibrium grain size) and ln (T) was predicted due to the interactive effect.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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The thermodynamic stability induced by solute co-segregation in nanocrystalline ternary alloys ; volume:108 ; number:6 ; year:2017 ; pages:435-440 ; extent:6
International journal of materials research ; 108, Heft 6 (2017), 435-440 (gesamt 6)
- Urheber
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Liang, Tao
Chen, Zheng
Yang, Xiaoqin
Zhang, Jinyong
Zhang, Ping
- DOI
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10.3139/146.111496
- URN
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urn:nbn:de:101:1-2503080309451.464494704788
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
- 15.08.2025, 05:32 UTC
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Beteiligte
- Liang, Tao
- Chen, Zheng
- Yang, Xiaoqin
- Zhang, Jinyong
- Zhang, Ping
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