Reassessment of low-temperature Gibbs energies of BCC and FCC in steel for T0-temperature evaluation
Source abstract
Abstract
In this work, we present an improved thermodynamic modeling of the mc_fe multicomponent database on the Fe-rich side at low temperatures. This is of special interest for the prediction of bainite and martensite start temperatures. The Fe–Ni, Fe–Mn, and Fe–Cr subsystems of the Fe–Al–C–Cr–Mn–Ni–Si steel system are reassessed with particular focus on the magnetic contributions to Gibbs energies. Moreover, the predicted C dependence of the T 0 line in various extensions of the Fe–C system needed improvement, which is realized by the revision of the Fe–C base in terms of the solubility limit of C in ferrite (BCC). Ternary system descriptions are adapted to the changes made in the binaries.
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Research context
OpenAlex topics: Metallurgical Processes and Thermodynamics · Microstructure and Mechanical Properties of Steels · Metallurgical and Alloy Processes
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (100+)
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