ANN Model to predict the bake hardenability of Transformation-InducedPlasticity steels

Risultato della ricerca: Chapter

Abstract

Neural networks are useful tools for optimizing material properties, considering the material's microstructure and therefore the thermal treatments it has undergone. In this research an artificial neural network (ANN) with a Bayesian framework able to predict the bake hardening and the mechanical properties of the Transformation-Induced-Plasticity (TRIP) steels was designed. The forecast ability of the ANN model is achieved taking into account the operating parameters involved in the Intercritical Annealing (IA), in the Isothermal Bainite Treatment (IBT) and also considering the different prestrain values and the volume fraction of the retained austenite before the Bake Hardening (BH) treatment. This approach allowed one to overcome the need to know the metallurgical rules that describe all the active phenomena in multiphase steels. The neural network approach allowed one to overcome the lack of prediction capability in the existing numerical models
Lingua originaleEnglish
Titolo della pubblicazione ospiteMaterials Characterisation IV
Pagine33-45
Numero di pagine12
Stato di pubblicazionePublished - 2009

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Steel
Neural networks
Hardening
Bainite
Austenite
Plasticity
Numerical models
Volume fraction
Materials properties
Heat treatment
Annealing
Mechanical properties
Microstructure

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Materials Science(all)
  • Mechanics of Materials
  • Fluid Flow and Transfer Processes
  • Electrochemistry

Cita questo

ANN Model to predict the bake hardenability of Transformation-InducedPlasticity steels. / Barcellona, Antonio; Riccobono, Roberto; Palmeri, Dina.

Materials Characterisation IV. 2009. pag. 33-45.

Risultato della ricerca: Chapter

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AB - Neural networks are useful tools for optimizing material properties, considering the material's microstructure and therefore the thermal treatments it has undergone. In this research an artificial neural network (ANN) with a Bayesian framework able to predict the bake hardening and the mechanical properties of the Transformation-Induced-Plasticity (TRIP) steels was designed. The forecast ability of the ANN model is achieved taking into account the operating parameters involved in the Intercritical Annealing (IA), in the Isothermal Bainite Treatment (IBT) and also considering the different prestrain values and the volume fraction of the retained austenite before the Bake Hardening (BH) treatment. This approach allowed one to overcome the need to know the metallurgical rules that describe all the active phenomena in multiphase steels. The neural network approach allowed one to overcome the lack of prediction capability in the existing numerical models

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