Ductile fracture prediction for metal sheets using all-strain-based anisotropic eMMC model

Y Jia, Y Bai - International Journal of Mechanical Sciences, 2016 - Elsevier
In order to predict ductile fracture of metal sheets, the stress invariants based Modified-Mohr-
Coulomb (MMC) fracture model was transferred into an all-strain based MMC (eMMC) …

Experimental study on the mechanical properties of AZ31B-H24 magnesium alloy sheets under various loading conditions

Y Jia, Y Bai - International Journal of Fracture, 2016 - Springer
In order to fully characterize the plasticity and fracture of magnesium AZ31B-H24 sheets, a
set of mechanical experiments (105 in total) were performed under different loading …

Damage modeling and critical damage evaluation of AA2014 cast alloy embedded with fly ash composite under upsetting

C HariKrishna, MJ Davidson - Proceedings of the Institution …, 2019 - journals.sagepub.com
Upsetting is one of the primary metal forming techniques and needs to be applied to reduce
the cross section of the billets for further processing. Ductile fracture in metal upsetting …

Modeling of anisotropic behavior of aluminum alloys to investigate ductile fracture for the improved formability in the upsetting process

HK Chirala, MJ Davidson… - … of Testing and …, 2018 - asmedigitalcollection.asme.org
In the bulk-forming operations, such as upsetting, the billets upon severe plastic deformation
will fracture on reaching the threshold fracture stress. The fracture initiation and progression …

Analysis of anisotropy in the upsetting process of AA2014 cast alloy embedded with fly ash

CH Krishna, R Dumpala, MJ Davidson… - Proceedings of the …, 2020 - journals.sagepub.com
Develo** new metal matrix composites for a wide variety of applications and analyzing the
formability aspects are challenging in the area of manufacturing. In the current study, solid …

Application of eMMC model to fracture of metal sheets

Y Jia, S Ghazali, Y Bai - Fracture, Fatigue, Failure and Damage Evolution …, 2017 - Springer
The fracture properties of TRIP780 and magnesium AZ31B-H24 alloy sheets were
investigated in this paper. Mechanical experiments were performed for TRIP780 under …

[PDF][PDF] Study On Anisotropic Plasticity And Fracture Of Lightweight Metal Sheets

Y Jia - 2016 - stars.library.ucf.edu
How to reduce weight and increase fuel efficiency is a critical challenge in transportation
industries. One way to resolve the problem is to adopting lightweight alloys (ie advanced …

Study on Metal Sheet Ductile Fracture using Square Punch Test

H Pan, G Huang, S Sadagopan - 2018 - sae.org
This study introduces a new practical calibration approach of ductile fracture models by
performing square punch tests on metal sheets. During square punch tests, ductile fracture …

Modeling of anisotropic behavior to investigate the effect of hardness on AA2014 aluminum alloys under upsetting

C HariKrishna, MJ Davidson… - Proceedings of the …, 2018 - journals.sagepub.com
The hardness of the metals in the bulk forming operations, such as upsetting increases,
when the material is compressed. The increase in the level of strain improves the hardness …