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Sadiq Gbagba, Lorenzo Maccioni and Franco Concli
In the shipbuilding, construction, automotive, and aerospace industries, welding is still a crucial manufacturing process because it can be utilized to create massive, intricate structures with exact dimensional specifications. These kinds of structures ...
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Ruilin Liu, Yunqi Liu, Hongming Liu, Yuanxing Li, Hui Chen and Zongtao Zhu
Laser?MIG hybrid welding?brazing was used to weld 304 stainless steel and 6061-T6 aluminum alloy with a thickness of 2 mm. The microstructure, morphology, chemical composition and corrosion behavior of the samples after high-temperature oxidation were in...
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Guang Yang, Kainan Guan, Li Zou, Yibo Sun and Xinhua Yang
The cold metal transfer (CMT) process is widely used in thin plate welding because of its characteristics of low heat input and stable arc. In actual production, a larger weld gap, misalignment, or other problems due to assembly error lead to serious wel...
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Hongsheng Liu, Ruilei Xue, Jianping Zhou, Yang Bao and Yan Xu
Vertical oscillation arc welding for narrow gap gas metal arc welding (NG-GMAW) has a relatively simple structure, and it is widely used in all-position pipeline field welding. However, it has some shortcomings, such as incomplete fusion defects on the s...
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Haiyan Xing, Cheng Xu, Ming Yi, Shenrou Gao and Weinan Liu
Metal magnetic memory (MMM) is a nondestructive testing technology based on the magnetomechanical effect, which is widely used in the qualitative detection of stress concentration zones for welded joints. However, there is inevitable residual stress afte...
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Antti Ahola, Kalle Lipiäinen, Juuso Lindroos, Matti Koskimäki, Kari Laukia and Timo Björk
Weld quality and life extension methods of welded details in ship structures made of high-strength and ultra-high-strength steels are of high importance to overcome the issues related to the fatigue characteristics of welded high-strength steels. The cur...
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Luigi Nele, Giulio Mattera and Mario Vozza
Welding is one of the most complex industrial processes because it is challenging to model, control, and inspect. In particular, the quality inspection process is critical because it is a complex and time-consuming activity. This research aims to propose...
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Charlotte Stehmar, Marius Gipperich, Markus Kogel-Hollacher, Alfredo Velazquez Iturbide and Robert H. Schmitt
Within additive manufacturing, process stability is still an unsolved challenge. Process instabilities result from the complexity of laser deposition processes and the dependence of the quality of the workpiece on a variety of factors in the process. Bec...
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Andreas Gericke, Michél Hauer, Benjamin Ripsch, Michael Irmer, Jonas Nehlsen and Knuth-Michael Henkel
The influence of thermally sprayed aluminum coatings (Al99%; arc spraying) on the fatigue strength of gas metal arc welded (GMAW) non-alloyed structural steel specimens with respect to foundations for offshore wind turbines was investigated. Additionally...
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Thalita Cristina de Paula, Cintia C Petry Mazzaferro (Author); Daniela Fátima Giarollo; Gelsa E Navarro Hidalgo, Breno Basso (Author)
Pág. e50488
Martensitic steels have been successfully employed in resource-based industries where components must endure aggressive conditions. In industrial practice, many parts of these components are joined by welding techniques. The aim of this work was to under...
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