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A pressure-coupled Drucker function for plasticity and fracture modelling of AA5182

Zhang, Chong, Wang, Yue, Lou, Yanshan, Fu, Lei, Zhang, Saijun and Yoon, Jeong Whan 2020, A pressure-coupled Drucker function for plasticity and fracture modelling of AA5182, in IDDRG 2020 : Proceedings of the International Deep-Drawing Research Group Annual Conference, IOP Publishing, Bristol, Eng., pp. 1-7, doi: 10.1088/1757-899X/967/1/012029.

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Title A pressure-coupled Drucker function for plasticity and fracture modelling of AA5182
Author(s) Zhang, Chong
Wang, Yue
Lou, Yanshan
Fu, Lei
Zhang, Saijun
Yoon, Jeong WhanORCID iD for Yoon, Jeong Whan orcid.org/0000-0002-7616-5253
Conference name International Deep-Drawing Research Group. Conference (39th : 2020 : Seoul, South Korea)
Conference location Seoul, South Korea
Conference dates 2020/10/26 - 2020/10/30
Title of proceedings IDDRG 2020 : Proceedings of the International Deep-Drawing Research Group Annual Conference
Editor(s) [Unknown]
Publication date 2020
Series International Deep-Drawing Research Group Conference
Start page 1
End page 7
Total pages 7
Publisher IOP Publishing
Place of publication Bristol, Eng.
Keyword(s) Drucker function
plastic deformation
plastic fracture
tension
AA5182 sheet
Summary In this paper, a pressure-coupled Drucker function is proposed to model the plastic deformation and fracture from shear to plane strain tension of AA5182 sheet. Experiments are conducted for AA5182 in shear, uniaxial tension and plane strain tension, and the force-stroke curves are measured during the tests. The plastic deformation is modeled by the Drucker function. The Drucker function is modified to consider the pressure effect for fracture limit stress prediction of the alloy. The pressure-coupled Drucker function for plasticity and fracture is calibrated by an inverse engineering approach. The calibrated plasticity models are then applied to numerical prediction of plastic deformation of the alloy under various loading conditions. It is observed that the pressure coupled Drucker function accurately describes the plastic deformation under large plastic deformation as well as the onset of ductile fracture under these loading conditions.
ISSN 1757-8981
1757-899X
Language eng
DOI 10.1088/1757-899X/967/1/012029
Indigenous content off
HERDC Research category E1.1 Full written paper - refereed
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30146482

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.