A feature fusion enhanced multiscale CNN with attention mechanism for spot-welding surface appearance recognition

M Xiao, B Yang, S Wang, Z Zhang, X Tang, L Kang - Computers in Industry, 2022 - Elsevier
As the most important welding method in the welding process of automobile body-in-whites,
resistance spot welding still relies on manual inspection of appearance quality to eliminate …

[HTML][HTML] Fracture dominant in friction stir spot welded joint between 6061 aluminum alloy and galvannealed steel based on microscale tensile testing

T Matsuda, T Ogaki, K Hayashi, C Iwamoto, T Nozawa… - Materials & Design, 2022 - Elsevier
The macroscale mechanical properties of dissimilar joints are generally influenced by the
fracture behavior of joint interface. However, little is known about the dominant factor for the …

[HTML][HTML] Microstructure and shearing strength of stainless steel/low carbon steel joints produced by resistance spot welding

B Wang, F Qiu, L Chen, Q Zhou, B Dong, H Yang… - Journal of Materials …, 2022 - Elsevier
The present research utilized the resistance spot welding process on stainless steel and low
carbon steel. The diameters of joint and nugget, microstructure and shearing strength of …

Zn segregation in BCC Fe grain boundaries and its role in liquid metal embrittlement revealed by atomistic simulations

H Mei, L Cheng, L Chen, F Wang, G Yang, J Li… - Journal of Materials …, 2024 - Elsevier
The liquid metal embrittlement (LME) of advanced high-strength steels caused by zinc (Zn)
has become a critical issue hindering their widespread application in the automotive …

Zn penetration and its coupled interaction with the grain boundary during the resistance spot welding of the QP980 steel

W Dong, H Pan, M Lei, K Ding, Y Gao - Scripta Materialia, 2022 - Elsevier
The liquid metal embrittlement (LME) defect in the Zn-coated high-strength steels is
intimately associated with the formation of Fe-Zn intermetallic compounds (IMCs). The …

Influence of loading orientation on mechanical properties of spot welds

M Shojaee, C Tolton, ARH Midawi, C Butcher… - International Journal of …, 2022 - Elsevier
The mechanical performance and failure characteristics of resistance spot welds from two
grades of third-generation advanced high strength steels (3G-AHSS), designated 3G-980 …

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 …

Zn-induced liquid metal embrittlement and mechanical properties of advanced high-strength steel with resistance spot weld

X Wang, Y Xie, Z Liu, Q Sun, X Shen, Q Zhang… - Materials Science and …, 2022 - Elsevier
Advanced high strength steels (AHSS) with zinc coatings are commonly jointed by using
resistance spot welding (RSW). However, the steel/zinc alloy system causes the possibility …

Enhancing weld strength in high-strength steels: the role of regional preheating in RSW

K Aydin, M Hıdıroğlu, N Kahraman - Materials Testing, 2024 - degruyter.com
In this study, automotive in sector use STRENX 700 CR and DP 800 steels were joined by
resistance spot welding using medium frequency direct current. Some parts were joined …

[HTML][HTML] The high-cycle tensile–shear fatigue properties and failure mechanism of resistance spot-welded advanced high-strength steel with a Zn coating

Y Sun, J Zhou, R Hu, H Pan, K Ding, M Lei, Y Gao - Materials, 2024 - mdpi.com
Advanced high-strength steels (AHSSs) with Zn coatings are commonly joined by the
resistance spot welding (RSW) technique. However, Zn coatings could possibly cause the …