Cellular Automata model of precipitation in microalloyed niobium steels

• Autorzy: Marynowski P. , Adrian H. , Pietrzyk M.

Warianty tytułu

PL

Model wykorzystujący automaty komórkowe do symulacji procesów wydzieleniowych w stalach z mikrododatkiem niobu

• Języki publikacji: EN

Abstrakty

EN

Proposition of a Cellular Automata model of carbonitride precipitation in microalloyed niobium steels is presented in the paper. Transition rules based on the current knowledge regarding precipitation were formulated. The model accounts for an increase of dislocation density due to plastic deformation and predicts kinetics of precipitation as well as shape of precipitates. Numerical tests confirmed qualitatively good predictive capabilities of the model.

PL

W pracy przedstawiono propozycję modelu wykorzystującego metodę automatów komórkowych do opisu kinetyki proccsów wydzieleniowych w stalach mikrostopowych z niobem. Wykorzystując wiedzę dotyczącą procesów wydzieleniowych sformułowane zostały reguły przejścia dla modelu. Model uwzględnia zmiany gęstości dyslokacji w wyniku odkształceń plastycznych i przewiduje kinetykę procesu wydzieleniowego oraz kształt wydziel eń w glikoazotków niobu. Wykonane testy numeryczne potwierdziły jakościowo dobrą dokładność modelu.

Słowa kluczowe

EN

cellular automata; precipitation; microalloyed steels

• Wydawca: Wydawnictwa AGH
• Czasopismo: Computer Methods in Materials Science
• Rocznik: 2013
• Tom: Vol. 13, No. 4
• Strony: 452--459
• Opis fizyczny: Bibliogr. 34 poz., rys.

Twórcy

autor

Marynowski P.

• AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland

autor

Adrian H.

• AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland

autor

Pietrzyk M.

• AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland

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