Modeling of twinning based plasticity phenomenon in Austenite dominated steels under combined loading

Rashid Khan, Omar S. Al-Abri, Tasneem Pervez, Majid Al-Maharbi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Advanced high strength steels cover a vast range of applications more specifically in aerospace and oil industry where large deformation of a material is desired in order to attain a specified shape and geometry of the product. The main reason behind their successful implementation is having an optimum combination of strength and formability. Austenite based twinning induced plasticity steel lies in the second generation and has excellent strength-cum-formability combination among the group of advanced high strength steels. The stress assisted phase transformation from austenite to martensite, which is known as twinning, found to be principal reason behind an enhancement of these properties. This work is aimed to investigate an elastic-plastic behavior of an austenite dominated steel, which undergoes slip and mechanical twinning modes of deformation. Initially, a micromechanical model of twining induced plasticity phenomenon is developed using crystal plasticity theory. Then, the developed model is numerically implemented into finite element software ABAQUS through a user-defined material sub-routine. Finally, finite element simulations are done for single and polycrystal austenite subjected to combined load. This replicates the complex loading condition which exists in material forming processes like pipe expansion, extrusion, rolling. The variation in stress-strain response, magnitude of shear strain, and volume fraction of twinned martensite are plotted and analyzed.

Original languageEnglish
Title of host publicationASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
PublisherAmerican Society of Mechanical Engineers (ASME)
Volume9
DOIs
Publication statusPublished - 2014
EventASME 2014 International Mechanical Engineering Congress and Exposition, IMECE 2014 - Montreal, Canada
Duration: Nov 14 2014Nov 20 2014

Other

OtherASME 2014 International Mechanical Engineering Congress and Exposition, IMECE 2014
CountryCanada
CityMontreal
Period11/14/1411/20/14

Fingerprint

Twinning
Austenite
Plasticity
Steel
Formability
High strength steel
Martensite
Shear strain
Polycrystals
ABAQUS
Extrusion
Volume fraction
Phase transitions
Pipe
Plastics
Crystals
Geometry
Industry

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Khan, R., Al-Abri, O. S., Pervez, T., & Al-Maharbi, M. (2014). Modeling of twinning based plasticity phenomenon in Austenite dominated steels under combined loading. In ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE) (Vol. 9). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/IMECE2014-37014

Modeling of twinning based plasticity phenomenon in Austenite dominated steels under combined loading. / Khan, Rashid; Al-Abri, Omar S.; Pervez, Tasneem; Al-Maharbi, Majid.

ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). Vol. 9 American Society of Mechanical Engineers (ASME), 2014.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Khan, R, Al-Abri, OS, Pervez, T & Al-Maharbi, M 2014, Modeling of twinning based plasticity phenomenon in Austenite dominated steels under combined loading. in ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). vol. 9, American Society of Mechanical Engineers (ASME), ASME 2014 International Mechanical Engineering Congress and Exposition, IMECE 2014, Montreal, Canada, 11/14/14. https://doi.org/10.1115/IMECE2014-37014
Khan R, Al-Abri OS, Pervez T, Al-Maharbi M. Modeling of twinning based plasticity phenomenon in Austenite dominated steels under combined loading. In ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). Vol. 9. American Society of Mechanical Engineers (ASME). 2014 https://doi.org/10.1115/IMECE2014-37014
Khan, Rashid ; Al-Abri, Omar S. ; Pervez, Tasneem ; Al-Maharbi, Majid. / Modeling of twinning based plasticity phenomenon in Austenite dominated steels under combined loading. ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). Vol. 9 American Society of Mechanical Engineers (ASME), 2014.
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