Investigation of deformation and failure features in hot stamping of AA6082: Experimentation and modelling

MS Mohamed, AD Foster, J Lin, DS Balint… - international Journal of …, 2012 - Elsevier
This paper introduces a set of coupled viscoplastic constitutive equations for deformation
and damage in hot stamping and cold die quenching of AA6082 panel parts. The equation …

The development of continuum damage mechanics-based theories for predicting forming limit diagrams for hot stamping applications

J Lin, M Mohamed, D Balint… - International Journal of …, 2014 - journals.sagepub.com
This paper presents a novel plane-stress continuum damage mechanics (CDM) model for
the prediction of the different shapes of forming limit diagrams (FLCs) for aluminium alloys …

A controlled Poisson Voronoi tessellation for grain and cohesive boundary generation applied to crystal plasticity analysis

P Zhang, M Karimpour, D Balint, J Lin… - Computational Materials …, 2012 - Elsevier
A novel computational framework is presented for the representation of virtual polycrystalline
grain structures with cohesive boundaries for large-scale crystal plasticity finite element …

Investigation of the effects of thermal gradients present in Gleeble high-temperature tensile tests on the strain state for free cutting steel

E Kardoulaki, J Lin, D Balint… - The Journal of Strain …, 2014 - journals.sagepub.com
A common feature of uniaxial high-temperature tension tests, and to a certain extent
compression tests, performed using a Gleeble thermomechanical testing system that …

Formation mechanism of cracks formed during drilling of a cold drawn prestressing 1215 free-cutting steel

X Xu, Z Gao, L Zhang, Q Wu, X Zhang, J Fu… - Engineering Failure …, 2024 - Elsevier
Abstract 1215 steel is a low-carbon free-cutting steel with the largest production, and its
quality issues are complex and diverse. The formation mechanism of cracks formed during …

A new parameter for modelling three-dimensional damage evolution validated by synchrotron tomography

M Kaye, C Puncreobutr, PD Lee, DS Balint… - Acta materialia, 2013 - Elsevier
Novel methods of correlating damage evolution measurement techniques are explored to
produce improved constitutive equations that better account for the effect of initial inclusion …

A new damage evolution model for cold forging of bearing steel-balls

T He, Y Huo - Transactions of the Indian Institute of Metals, 2018 - Springer
As ductile damage has a severe impact on the performance of bearing steel-balls (BSB), it is
necessary to apply the ductile damage evolution model for predicting the distribution of …

Dynamic recrystallization-dependent damage modeling during hot forming

M Imran, J Szyndler, MJ Afzal… - International Journal of …, 2020 - journals.sagepub.com
Hot forming processes are extensively used to produce semi-finished and finished
components. At elevated temperatures, dynamic recovery and recrystallization processes …

Formation mechanisms of cracks formed during hot rolling of free-machining steel billets

Y Kim, H Kim, SY Shin, K Rhee, SB Ahn, DL Lee… - … Materials Transactions A, 2012 - Springer
In this study, cracks formed in the edge side of Bi-S–based free-machining steel billets
during hot rolling were analyzed in detail, and their formation mechanisms were clarified in …

An investigation on the machinability of newly developed low-carbon sulphurised free-cutting steels

X Xia, J Zhang, Y Zou - Proceedings of the Institution of …, 2016 - journals.sagepub.com
An investigation into the cutting performance of newly developed free-cutting steels was
conducted at high cutting speeds (150, 200 and 300 m/min) using cemented carbide cutting …