Accurate determination of flow curves using the bulge test with optical measuring systems

J Mulder, H Vegter, H Aretz, S Keller… - Journal of materials …, 2015 - Elsevier
Optical measuring systems provide much more detail on the deformation of the blank in the
bulge test than classical mechanical measuring systems. Within the practical limitations of …

Material hardening of a high ductility aluminum alloy from a bulge test

K Chen, M Scales, S Kyriakides - International Journal of Mechanical …, 2018 - Elsevier
This study employs the hydraulic bulge test in combination with analysis to extract the stress–
strain response of an anisotropic Al-6022-T43 sheet metal. Tests are performed in a facility …

Effects of anisotropy on material hardening and burst in the bulge test

K Chen, M Scales, S Kyriakides, E Corona - International Journal of Solids …, 2016 - Elsevier
The hydraulic bulge test provides a means for testing sheet metal under a nearly equibiaxial
stress state. Failure is delayed, allowing measurement of the material response at …

On the determination of the work hardening curve using the bulge test

LC Reis, MC Oliveira, AD Santos… - International Journal of …, 2016 - Elsevier
Hydraulic bulge test represents nowadays an important means to obtain higher accuracy on
material characterization. One reason is the possibility of using the obtained biaxial stress …

An experimental investigation on thinning and formability in hybrid incremental sheet forming process

R Jagtap, S Kumar - Procedia Manufacturing, 2019 - Elsevier
Single point incremental forming (SPIF) has several advantages over conventional sheet
forming process, but due to its inherent drawbacks such as localized thinning, poor …

[HTML][HTML] Inverse identification of the work hardening law from circular and elliptical bulge tests

AFG Pereira, PA Prates, MC Oliveira… - Journal of Materials …, 2020 - Elsevier
An inverse identification strategy is proposed to characterize the hardening behaviour of
metal sheets up to high strains, regardless of the material anisotropy. The Levenberg …

Balanced biaxial testing of advanced high strength steels in warm conditions

JY Lee, L Xu, F Barlat, RH Wagoner, MG Lee - Experimental mechanics, 2013 - Springer
The main purpose of the present work is to measure the stress–strain behavior under warm
conditions (about 100° C) of advanced high strength steel (AHSS) sheets up to large strains …

A general and unified theory of the kinematic relationships in bulge tests

K Chen - Journal of the Mechanics and Physics of Solids, 2020 - Elsevier
The hydraulic circular and elliptical bulge tests have been widely used in extracting
mechanical properties of sheet materials. Theoretical analysis of bulge tests usually requires …

Anisotropy and plastic flow in the circular bulge test

LC Reis, PA Prates, MC Oliveira, AD Santos… - International Journal of …, 2017 - Elsevier
The procedures for obtaining the stress vs. strain curve from the circular bulge test are
investigated in detail resorting to finite element analysis. Particular attention is given to in …

Overview on constitutive modeling for hydroforming with the existence of through-thickness normal stress

F Zhang, J Chen, J Chen, J Lu, G Liu, S Yuan - Journal of Materials …, 2012 - Elsevier
The hydroforming process is used widely across many industrial fields. High applied
pressure during hydroforming makes it necessary to consider the influence of the through …