Non-isothermal phase-field models and evolution equation

• Autorzy: Morro A.
• Języki publikacji: EN

Abstrakty

EN

Phase transitions between two phases are modelled as space regions where a phase field, or order parameter, changes smoothly. The literature shows a seeming contradiction in that some papers lead to the use of the reduced chemical potential through the temperature, others do not. The paper has a threefold purpose. First, to revise the arguments of known approaches and possibly generalize the associated schemes. Secondly, to show that a further approach is possible which involves the phase field as an internal variable. Thirdly, to contrast the various schemes and the corresponding results. It follows that differences arise because different fields enter the models and different forms are considered for the balance of energy and the second law of thermodynamics.

Słowa kluczowe

EN

phase field; evolution equation; configurational forces; phase-transition models

PL

pole fazowe; równania ewolucyjne; siły konfiguracyjne; modele przemiany fazowej

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Archives of Mechanics
• Rocznik: 2006
• Tom: Vol. 58, nr 3
• Strony: 257--271
• Opis fizyczny: Bibliogr. 17 poz.

Twórcy

autor

Morro A.

• University of Genova, DIBE, VIA Opera Pia 11 a, 16145 Genova, Italy

Bibliografia

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