Liquid metal embrittlement of galvanized TRIP steels in resistance spot welding

WS Jeon, A Sharma, JP Jung - Metals, 2020 - mdpi.com
Liquid metal embrittlement (LME) in Zn-coated steels is a serious issue in automotive
design. The risk of rising LME surface cracks in resistance spot welding (RSW) of Zn-coated …

Advances in the control and improvement of quality in the resistance spot welding process

Ó Martín, P De Tiedra - Metals, 2022 - mdpi.com
This work aims to respond to the need derived from the highly changing and competitive
nature of the industrial environment in which the resistance spot welding (RSW) process is …

[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] 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 …

[HTML][HTML] Early stages of liquid-metal embrittlement in an advanced high-strength steel

Y Ikeda, R Yuan, A Chakraborty… - Materials Today …, 2022 - Elsevier
Grain-boundary degradation via liquid-metal embrittlement (LME) is a prominent and long-
standing failure process in next generation advanced high-strength steels. Here we reveal …

Prevention of liquid metal embrittlement cracks in resistance spot welds by adaption of electrode geometry

C Böhne, G Meschut, M Biegler, J Frei… - … and technology of …, 2020 - journals.sagepub.com
Advanced high strength steels are usually coated by a zinc layer for an increased resistance
against corrosion. During the resistance spot welding of zinc coated steel grades, liquid …

[PDF][PDF] Four types of LME cracks in RSW of Zn-coated AHSS

SP Murugan, V Vijayan, C Ji, YD Park - Weld J, 2020 - researchgate.net
Zinc-coated advanced high-strength steels are known to be susceptible to liquid metal
embrittlement (LME) cracking during resistance spot welding (RSW). Despite numerous …

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 …

Geometrical degradation of electrode and liquid metal embrittlement cracking in resistance spot welding

K Mahmud, SP Murugan, Y Cho, C Ji, D Nam… - Journal of Manufacturing …, 2021 - Elsevier
Electrode degradation during the resistance spot welding (RSW) of coated steels has been
a major challenge in automobile manufacturing as it affects the weld quality in terms of …

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 …