High-temperature phase evolution of the ZnAlMg coating and its effect on mitigating liquid-metal-embrittlement cracking

A Ghatei-Kalashami, MS Khan, MY Lee, YN Zhou - Acta Materialia, 2022 - Elsevier
Ternary zinc-aluminum-magnesium (ZnAlMg) alloy coatings are the focus of significant
attention in the automotive and steel industries due to several advantages over traditional Zn …

[HTML][HTML] Influence of expulsion and heat extraction resulting from changes to electrode force on liquid metal embrittlement during resistance spot welding

S Song, M Shojaee, ARH Midawi, O Sherepenko… - Journal of Materials …, 2023 - Elsevier
Zinc coatings are generally utilized for manufacturing corrosion-resistant advanced high-
strength steels (AHSS). However, in new third generation AHSS (3G-AHSS), zinc from the …

[HTML][HTML] Segregation-induced grain-boundary precipitation during early stages of liquid-metal embrittlement of an advanced high-strength steel

Y Ikeda, HC Ni, A Chakraborty, H Ghassemi-Armaki… - Acta Materialia, 2023 - Elsevier
Liquid-metal embrittlement (LME) of galvanized (Zn-coated) advanced high-strength steels
is a long-known problem in materials science. Here we reveal the initial microstructural …

[HTML][HTML] Fracture modeling of resistance spot welded ultra-high-strength steel considering the effect of liquid metal embrittlement crack

Y Ma, Y Yu, P Geng, R Ihara, K Maeda, R Suzuki… - Materials & Design, 2021 - Elsevier
Zinc-coated ultra-high-strength steel (UHSS) sheets are highly susceptible to liquid metal
embrittlement (LME) during resistance spot welding. However, systematic understanding on …

Numerical modeling of liquid metal embrittlement initiation during resistance spot welding of third generation advanced high strength steel–Effect of welding schedule …

F Okigami, N Avedissian, H Ghassemi-Armaki… - Journal of Manufacturing …, 2024 - Elsevier
Third generation (GEN3) advanced high-strength steels are increasingly used to reduce
vehicle body structure weight for improved fuel economy. Zinc-induced liquid metal …

Correlating electrode degradation with weldability of galvanized BH 220 steel during the electrode failure process of resistance spot welding

D Zhao, N Vdonin, Y Bezgans, L Radionova, L Glebov - Crystals, 2022 - mdpi.com
Electrode degradation in the continuous resistance spot-welding process of baked
hardening (BH) 220 steel was evaluated by an electrode life test, and weldability tests were …

Liquid metal embrittlement in Zn-coated steel resistance spot welding: Critical electrode-contact and nugget growth for stress development and cracking

A Lalachan, SP Murugan, WS **, YD Park - Journal of Materials …, 2023 - Elsevier
Liquid metal embrittlement (LME) crack is a severe defect which can affect the joint integrity
of Zn-coated advanced high-strength steel resistance spot welds (RSW). The tensile stress …

On the nondestructive testing and monitoring of cracks in resistance spot welds: recent gained experience

F Dahmene, S Yaacoubi, ME Mountassir… - Welding in the …, 2022 - Springer
The current paper addresses the challenge of steel and modern automotive industries in the
detection of liquid metal embrittlement (LME) crack when occurring during resistance spot …

Effect of liquid metal embrittlement indent cracks on zinc coated 3rd generation AHSS mechanical performance

ARH Midawi, M Patel, M Shojaee, K Pearson… - Metals, 2023 - mdpi.com
Third-generation advanced high-strength steels (3G-AHSS) are typically galvanized to
prevent corrosion of the outer body structure. However, the zinc coating on the surface …

Optimization of Hot Forming Temperature to Minimize Liquid Metal Embrittlement Induced Cracking in Resistance Spot Welded Zinc‐Coated Medium Manganese …

E van der Aa, R Rana - steel research international, 2023 - Wiley Online Library
Herein, an investigation on the influence of the hot press forming (HPF) temperature cycles
of a medium manganese, high ductility, zinc‐coated steel with≈ 1000 MPa final tensile …