I mu -Carbide in alloy steels: First-principles assessment

There is now a large number of sophisticated steels which rely on silicon as an alloying addition with the purpose of avoiding the precipitation of cementite. However, there is also evidence that the silicon can enhance the formation of I mu -carbide; the mechanism of this effect is not understood a...

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Veröffentlicht in:	Scripta materialia 2010-07, Vol.63 (1), p.121-123
Hauptverfasser:	Jang, Jae Hoon, Kim, In Gee, Bhadeshia, HKDH
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Sprache:	eng
Schlagworte:	Alloy steels Alloying Alloying additive Assessments Cementite Mathematical analysis Precipitation Silicon Steels
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description	There is now a large number of sophisticated steels which rely on silicon as an alloying addition with the purpose of avoiding the precipitation of cementite. However, there is also evidence that the silicon can enhance the formation of I mu -carbide; the mechanism of this effect is not understood and the absence of appropriate thermodynamic data makes it impossible to conduct calculations. We report here some ab initio calculations which throw light on both of these issues and suggest novel experiments.
doi_str_mv	10.1016/j.scriptamat.2010.03.026
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subjects	Alloy steels Alloying Alloying additive Assessments Cementite Mathematical analysis Precipitation Silicon Steels
title	I mu -Carbide in alloy steels: First-principles assessment
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