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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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Chengji Mi, Wentai Li, Xuewen Xiao, Haigen Jian, Zhengqi Gu and Filippo Berto
In order to improve the fatigue performance of a welded A-type frame in a heavy off-road mining truck, a novel method was presented to implement lifetime and weight collaborative optimization while considering uncertainties in geometry dimension, materia...
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Yaqi Suo, Wenwei Yang and Peng Chen
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Shunyao Wang, Yilin Wang, Dapeng Sheng and Yu Wang
To reduce the impact of poor field connection on structural safety in prefabricated concrete structures, a new kind of prefabricated reinforced concrete structure?an FTPC (fault-tolerant prefabricated concrete) structure based on the fault-tolerant desig...
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Donghan Woo and Mitsuru Kitamura
The accurate numerical prediction of welding deformation is important to improve the structural safety of ships and offshore structures in heavy industries. The precise reflection of the real working condition in the numerical prediction is an essential ...
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Artur Siqueira Nóbrega de Freitas, Alexander Alfonso Alvarez, Roberto Ramos, Jr. and Ettore Apolonio de Barros
The structure of an autonomous underwater vehicle (AUV), usually composed of a cylindrical shell, may be exposed to high hydrostatic pressures where buckling collapse occurs before yield stress failure. In conventional submarines, welded stiffeners incre...
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Jinfeng Liu, Guoqing Feng, Jiaying Wang, Huilong Ren, Wei Song and Panpan Lin
Welding defects are known to cause crack propagation and reduce structural fatigue performance. Based on the Paris theory of fracture mechanics, research is conducted on evaluation methods for analyzing fatigue crack propagation by adopting random loads ...
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Hwanjin Kim, Kwangjin Lee, Jaewoong Kim, Changyeon Lee, Yoonchul Jung and Sungwook Kang
In the existing automobile manufacturing process, metal inert gas (MIG) and tungsten inert gas (TIG) welding are mainly used. These welding methods are fusion welding, and the heat input in the welding area is very high. Therefore, the deformation of the...
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Vjacheslav Romenskiy, Viktoriia Nevliudova, Elena Persiyanova
Pág. 120 - 133
The subject of the study in the article is the increasing requirements for working parameters and product quality. In instrument-making, mechanical engineering, defense and other industries manufactured products are composed of welded metal structure. Ma...
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Vjacheslav Romenskiy, Viktoriia Nevliudova, Elena Persiyanova
Pág. 120 - 133
The subject of the study in the article is the increasing requirements for working parameters and product quality. In instrument-making, mechanical engineering, defense and other industries manufactured products are composed of welded metal structure. Ma...
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Sang-Yun Lee, Sam-Young Noh and Dongkeun Lee
This study evaluates the progressive collapse resistance performance of steel moment frames, individually designed with different connection details. Welded unreinforced flange-bolted web (WUF-B) and reduced beam section (RBS) connections are selected an...
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Y. P. Boronenko,I. O. Filippova
Pág. 121 - 129
Purpose. The work is aimed to identify the reasons for the significantly higher coefficient of the empty weight of 1520 mm gauge cars in comparison with the freight cars in North America and to give recommendations for reducing the empty weight of freigh...
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Yushan Gao, Shihui Huo, Peiyan Wang and Ping Zhang
The load-carrying capacities of welded joints need to be paid attention to in the design of the frame, which transfers the thrust generated by the rocket engine to the rocket body. A load-carrying capacity evaluation method of welded joints based on the ...
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Mohamed Elsaka and C. Guedes Soares
In pursuit of more efficient load-bearing solutions for ship deck panels of Very Large Crude Carriers exposed to vertical hull girder bending forces, laser-welded web-core sandwich panels are considered as an alternative to conventional stiffened panels....
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Sang-jin Oh, Min-jae Jung, Chaeog Lim and Sung-chul Shin
In the shipbuilding industry, the non-destructive testing for welding quality inspection is mainly used for the permanent storage of the testing results and the radio-graphic testing which can visually inspect the interior of the welded part. Experts are...
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Guoqian Wei, Shanshan Li, Yongxing Guo and Zhang Dang
The real weld toe geometry is generally not mathematically perfect, resulting in obvious stress concentration effects, both on the weld section and along the longitudinal direction of the weld toe. The true stress-strain state at the local weld toe direc...
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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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Yang Zhang, Xiyi Huang and Biao Wang
Carbon fiber paper (CFP) is one of the most important units of gas diffusion layer (GDL) in proton exchange membrane fuel cells (PEMFCs). The binder used in the wet-laid technique has a significant effect on the properties of CFP. In this work, the polyv...
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Jihoon Kim, Jeongyeol Park and Myunghyun Kim
Welding is used as the main joining method in various industries, including the shipbuilding industry. In the case of welded structures, structural integrity assessment is essential to ensure the safety of the structure because many defects inevitably ex...
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Du-Song Kim, Hee-Keun Lee, Woo-Jae Seong, Kwang-Hyeon Lee and Hee-Seon Bang
The International Maritime Organization has recently updated the ship emission standards to reduce atmospheric contamination. One technique for reducing emissions involves using liquefied natural gas (LNG). The tanks used for the transport and storage of...
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