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Article
Metallurgy & Metallurgical Engineering
M. Prabhakaran et al.
Summary: The effect of welding current and heating cycle on weld strength was studied in this research. The results showed that the highest welding current and heating cycle obtained the largest weld nugget and absorbed the maximum tensile shear load.
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS
(2023)
Article
Materials Science, Multidisciplinary
Lei Chen et al.
Summary: This research investigated the effects of welding current and welding time on the shearing strength of resistance spot-welded joints of low carbon steel and stainless steel plates. The findings suggest that specific welding parameters can result in the highest strength, and the diameter of welded joints and nuggets increases with increasing welding current and welding time.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Engineering, Industrial
Ali Chabok et al.
Summary: This study establishes a correlation between welding parameters, microstructure, and mechanical performance of advanced high strength steel welds through in-situ experiments and quantitative analysis. It is found that the fracture toughness of welds can be significantly improved by changing the welding scheme and heat treatment method.
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
(2022)
Article
Multidisciplinary Sciences
Shravan Singh Rao et al.
Summary: Resistance spot welding of DP steel sheets was studied, and weld responses were obtained through experiments and optimized using response surface methodology. Different failure modes were identified through failure analysis. The results showed that optimization using hybrid RSM-GA achieved better performance.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES INDIA SECTION A-PHYSICAL SCIENCES
(2022)
Article
Metallurgy & Metallurgical Engineering
Volkan Onar
Summary: A dissimilar TWIP/304L stainless steel joint was welded using resistance spot welding technique, and evaluated using various methods. The results showed that the TWIP steel side was the weakest side in all experiments. An interlayer between the weld nugget and the heat-affected zone of the TWIP was found, with the grain boundaries determined by rolling lines. The inhomogeneity at the rolling lines in TWIP steel acted like a secondary alloy, resulting in intergranular gaps. Metal carbides, including chromium carbide, were detected at the joints. An interlayer between the weld nuggets and the heat-affected zone of the 304L stainless steel was also observed, but did not directly affect the mechanical results.
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS
(2022)
Article
Engineering, Manufacturing
Kai Ding et al.
Summary: Manipulating the microstructure by adjusting alloy element content plays a significant role in material fabrication. A special method of inserting interlayers of Al foils and interstitial-free steel (IFS) is proposed to directly manipulate the nugget structure and enhance the tensile shear strength (TSS).
JOURNAL OF MANUFACTURING PROCESSES
(2022)
Article
Materials Science, Multidisciplinary
Bingxu Wang et al.
Summary: The present research investigated the resistance spot welding process on stainless steel and low carbon steel, examining the diameters of joints and nuggets, microstructure, and shearing strength. The results showed that increasing the welding current, welding time, or clamping force resulted in larger diameters of joints and nuggets. The shearing strength of joints initially increased and then decreased with increasing welding current or welding time, and decreased with increasing clamping force. Five different regions were identified around the joint, each with distinct microstructures. Orthogonal tests revealed that welding current had the most significant influence on shearing strength, followed by welding time and clamping force. An artificial neural network model was developed to predict the shearing strength of joints, and it showed good correlation with experimental values. A shearing strength higher than 10000 N could be achieved under specific welding conditions. The artificial neural network model has practical applications in predicting the shearing strengths of joints between dissimilar steel plates.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Engineering, Mechanical
Aravinthan Arumugam et al.
Summary: In this study, spot weld pull-out failures on mild steel and stainless steel joints were investigated under different loading conditions. The results showed that the welding current and joint type affected the weld strength and the tendency to fail via pull-out. The weld diameter for pull-out failures also varied depending on the joint type and loading conditions, which did not conform to the recommended values by automotive standards.
AUSTRALIAN JOURNAL OF MECHANICAL ENGINEERING
(2022)
Article
Construction & Building Technology
Bingge Zhao et al.
Summary: Medium Mn steels, such as 7Mn steel, exhibit superior mechanical properties but face challenges in cross-tension strength, hindering their application in the automotive industry. This study focuses on optimizing welding parameters during resistance spot welding to improve cross-tension strength by promoting microstructure transition from martensite to tempered martensite. Post-weld treatment, including in situ tempering, decreases segregation of Mn and facilitates the formation of tempered martensite, leading to an increase in cross-tension strength.
INTERNATIONAL JOURNAL OF STEEL STRUCTURES
(2021)
Article
Chemistry, Physical
Iqbal Taufiqurrahman et al.
Summary: The study investigated the impact of welding current and electrode force on the heat input and physical and mechanical properties of a SS316L and Ti6Al4V joint with an aluminum interlayer. It was found that as the welding current and electrode force increased, the heat input also increased, resulting in optimal tensile-shear load at specific parameters. The microstructure analysis revealed different behaviors at the SS316L and Ti6Al4V interfaces, indicating phase transformations and grain growth.
Article
Materials Science, Multidisciplinary
S. Yousefian et al.
Summary: The nickel-free high nitrogen duplex stainless steel undergoes friction stir spot welding, activating continuous dynamic recrystallization and dynamic phase transformation from ferrite to austenite for grain refinement. The formation of B-and A-fiber shear texture under various processing conditions significantly influences the mechanical properties of the joints.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Metallurgy & Metallurgical Engineering
Shravan Singh Rao et al.
Summary: In this study, spot weld responses were modeled and optimization of welding process parameters was conducted using artificial neural networks and genetic algorithms. Validation checks were done to confirm the adequacy of the optimized parameters. It was found that an increase in heat input during welding leads to higher shear-tensile strength and nugget diameter, with optimal process parameters identified.
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS
(2021)
Article
Engineering, Manufacturing
M. Shojaee et al.
Summary: This study investigated the resistance spot weldability of third-generation advanced high strength steels 3G-980 and 3G-1180, developing weldability windows to determine acceptable welding zones for different welding times, and evaluating optimal weld strengths for different welding conditions. The study also analyzed the hardness changes in different weldment regions and the crack initiation and propagation paths of the interrupted lap-shear specimens for both steels.
JOURNAL OF MANUFACTURING PROCESSES
(2021)
Proceedings Paper
Materials Science, Multidisciplinary
S. Bhuvaneswaran et al.
Summary: This study investigates mechanical properties and fatigue life prediction methods of spot welding through finite element modeling and experimental research. Ultimately, it is concluded that failure in spot welds occurs at the interface between the nugget and heat affected zone due to geometric stress concentration and property changes.
MATERIALS TODAY-PROCEEDINGS
(2021)
Proceedings Paper
Materials Science, Multidisciplinary
Debashis Mishra et al.
Summary: This study explored the quality of spot-welded joints on thin steel sheets by varying different welding parameters and combinations of mild steel and stainless steel materials. Using the Taguchi L9 orthogonal approach, the statistical significance of the model was verified through analysis of variance and tests. The outcomes can guide the selection of process parameter combinations to achieve desired quality spot-welded joints for automotive applications.
MATERIALS TODAY-PROCEEDINGS
(2021)
Article
Engineering, Multidisciplinary
Raman Kumar et al.
Summary: This study investigated the mechanical properties, hardness and microstructure characteristics of Resistance Spot Welding (RSW) of Stainless steel 304. The results showed that the tensile strength was affected by current intensity and nugget diameter, while weld time had a significant effect on tensile strength. Microhardness was highly influenced by electrode pressure and holding time.
INTERNATIONAL JOURNAL OF STRUCTURAL INTEGRITY
(2021)
Article
Materials Science, Multidisciplinary
Yu Zhang et al.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2020)
Article
Metallurgy & Metallurgical Engineering
N. Ramasamy et al.
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS
(2020)
Article
Engineering, Mechanical
Kedar S. Pandya et al.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2020)
Article
Metallurgy & Metallurgical Engineering
N. Ramasamy et al.
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS
(2019)
Article
Engineering, Industrial
Nannan Chen et al.
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
(2018)
Review
Engineering, Manufacturing
Jagesvar Verma et al.
JOURNAL OF MANUFACTURING PROCESSES
(2017)
Article
Metallurgy & Metallurgical Engineering
Le Thi Nhung et al.
ACTA METALLURGICA SLOVACA
(2017)
Article
Nanoscience & Nanotechnology
M. Pouranvari
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2012)
Article
Materials Science, Multidisciplinary
P. Marashi et al.
MATERIALS SCIENCE AND TECHNOLOGY
(2008)
