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Titolo:
CALCULATION OF SOLIDIFICATION-RELATED THERMOPHYSICAL PROPERTIES FOR STEELS
Autore:
MIETTINEN J;
Indirizzi:
HELSINKI UNIV TECHNOL,MET LAB ESPOO 02150 FINLAND
Titolo Testata:
Metallurgical and materials transactions. B, Process metallurgy and materials processing science
fascicolo: 2, volume: 28, anno: 1997,
pagine: 281 - 297
SICI:
1073-5615(1997)28:2<281:COSTPF>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
THERMODYNAMIC EVALUATION; FE-NI; STAINLESS-STEELS; MN ALLOYS; SI SYSTEM; C SYSTEM; CARBON; MO; PREDICTION; IRON;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
80
Recensione:
Indirizzi per estratti:
Citazione:
J. Miettinen, "CALCULATION OF SOLIDIFICATION-RELATED THERMOPHYSICAL PROPERTIES FOR STEELS", Metallurgical and materials transactions. B, Process metallurgy and materials processing science, 28(2), 1997, pp. 281-297

Abstract

Special algorithms have been developed to calculate important solidification-related thermophysical properties: enthalpy and enthalpy-related data (i.e., specific and latent heat), density, and thermal conductivity for low-alloyed and stainless steels. The algorithms are heavilybased on the use of earlier developed phase transformation models, aninterdendritic solidification model (IDS), and an austenite decomposition model (ADC), which solve, as a function of temperature, the phasefractions and compositions needed in these calculations. As a result,the thermophysical properties can be calculated at any temperature, from 1600 degrees C to 25 degrees C, faking-into account the discontinuities caused by special phase transformations (i.e., ferritic, austenitic and peritectic solidification, ferrite/austenite transformation, and austenite decomposition to various structures) influenced by the steel grade and the cooling conditions.

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Documento generato il 26/11/20 alle ore 11:45:47