A meso-scale modeling approach is used to relate the local microstructural strength and fracture resistance to the macro-scale failure response of spot welds in hot-stamped ultra …
S Basak, C Kim, YI Jung, HK Jin, MG Lee - International Journal of …, 2022 - Springer
In this work, the effects of various process input parameters in the sheared edge characteristics are studied during shear-cutting of DP980 sheet material. A virtual …
P Samadian, C O'Keeffe, C Butcher… - Engineering Fracture …, 2021 - Elsevier
Hot-stamped tailor-welded blanks (TWBs) comprised of steel sheets with different chemical compositions are of interest within the automotive sector to enhance the crash performance …
The failure of resistance spot welds in ultra-high-strength press-hardened steels often occurs due to martensite tempering in the heat-affected zone. In the present work, however …
C Tolton, C O'Keeffe, A Mohammadizadeh… - International Journal of …, 2023 - Elsevier
A novel experimental method, dubbed the “Mode I Caiman test”, is introduced to characterize spot weld failure and propagation within spot weld groups. The test …
Emerging grades of press-hardening steels such as Ductibor® 1000-AS are now commercially available for use within tailor-welded blanks (TWBs) to enhance ductility and …
M Shojaee, C Tolton, A Midawi, T Zhang… - … International Journal of …, 2024 - Springer
Failure of resistance spot welds in computer-aided engineering models is based upon criteria that incorporate test data obtained in various loading conditions including different …
Background In-situ spot weld failure analysis under complex loading conditions is significantly restricted by the enclosed space around the weld nugget. Failure can be only …
To promote the use of newhigh-strengthmaterials in the automotive industry, the evaluation of crashworthiness is essential, both in terms of finite element (FE) analysis aswell as …