Bookcover of Multi-Scale Modelling of AISI 304 Behaviour during Hot Deformation
Booktitle:

Multi-Scale Modelling of AISI 304 Behaviour during Hot Deformation

Metallurgical and Mechanical Charactristics of Dynamic, Static and Meta-Dynamic Recrystallization

LAP LAMBERT Academic Publishing (2012-01-27 )

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ISBN-13:

978-3-8473-7284-4

ISBN-10:
384737284X
EAN:
9783847372844
Book language:
English
Blurb/Shorttext:
Microstructure evolution during and following hot deformation was modeled using Cellular Automata (CA) technique. Dislocation annihilation during and following hot deformation, dynamic static and meta-dynamic (DRX, SRX and MDRX respectively), are considered using a 2D CA approach. The dislocation density was employed as the governing parameter to simulate the softening fraction. Kocks-Mecking approach was used to derive the dynamic recovery (DRV) curves. The flow curves, softening kinetics and final microstructures were modelled for different thermomechanical conditions (i.e. different Zener-Hollomon parameters, Z) and used as the input data for the post-deformation softening simulation to elucidate the effect of DRX on the post-deformation softening. The simulation results were compared with the experimental data from the hot torsion test of AISI 304 steel. The proposed model used a wide range of Zener-Hollomon parameter (Z) and predicted the final microstructure and softening kinetics curves. Consequently, the CA approach can predict the final microstructure, softening kinetics and flow curve successfully under the wide range of thermomechanical conditions.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Nima Yazdipour, Peter D. Hodgson
Number of pages:
312
Published on:
2012-01-27
Stock:
Available
Category:
Other
Price:
79.00 €
Keywords:
304 stainless steel, Cellular Automata (CA), Multi-Scale Modelling, Recrystallization

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