Fatigue strength and residual stress evaluation of repair welding of bogie frame for railway vehicles
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DOI: 10.1016/j.engfailanal.2020.104980
Abstract: Abstract The bogie frame of a railway vehicle is an important component that supports the load of passengers and cargo. Bogie frames are manufactured using welding owing to their complex geometry. Cracks occur in weld… read more here.
Keywords: bogie; repair welding; welding specimens; residual stress ... See more keywords
The heat affected zone of X20Cr13 martensitic stainless steel after multiple repair welding: Microstructure and mechanical properties assessment
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DOI: 10.1016/j.ijpvp.2020.104205
Abstract: Abstract Multiple repair welding of X20Cr13 martensitic stainless steel was performed using gas metal arc welding. The groove for repair welding was designed such that the heat affected zone (HAZ) of each repair welding sequence… read more here.
Keywords: repair welding; microstructure mechanical; mechanical properties; stainless steel ... See more keywords
Residual stresses evolution during strip clad welding, post welding heat treatment and repair welding for a large pressure vessel
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DOI: 10.1016/j.ijpvp.2020.104259
Abstract: Abstract Strip clad welding is a key manufacturing process of large pressure vessel and repair welding was usually used to repair the defects of strip welded structure, which generates very complex residual stresses and have… read more here.
Keywords: clad welding; repair welding; strip clad; residual stresses ... See more keywords
Effective Modulus Estimation Method of QT400-18 Cast Iron with Repair Welding
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DOI: 10.1155/2019/5737029
Abstract: Repair welding is an important remediation process for castings with slight defects. In this paper, the tensile behaviors of the QT400-18 nodular cast iron with different repair welding sizes were experimentally analyzed. Specimens with different… read more here.
Keywords: repair welding; effective modulus; method; cast iron ... See more keywords
Friction plug repair welding of glass fiber-reinforced polyamide 6: Investigation of morphology, microstructure, and mechanical properties
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DOI: 10.1177/0731684420932646
Abstract: Friction plug repair welding technology has been demonstrated to be effective to repair the glass fiber-reinforced polyamide 6 sheets in the present paper. Influences of repair hole geometries and parameters on joint morphology and mechanical… read more here.
Keywords: friction plug; repair welding; plug repair; morphology ... See more keywords
Residual Stress Redistribution Analysis in the Repair Welding of AA6082-T6 Aluminum Alloy Joints: Experiment and Simulation
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DOI: 10.3390/ma15186399
Abstract: Residual stress has a three-dimensional scale effect (length, depth, and width) in the process of repair welding, which has a detrimental impact on the service of the aluminum alloy welded structures in high-speed trains. This… read more here.
Keywords: repair welding; stress redistribution; residual stress; repair ... See more keywords
Influence of Repair Welding on the Fatigue Behavior of S355J2 T-Joints
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DOI: 10.3390/ma16103682
Abstract: This paper investigated the effect of repair welding on the microstructure, mechanical properties, and high cycle fatigue properties of S355J2 steel T-joints in orthotropic bridge decks. The test results found that the increase in grain… read more here.
Keywords: repair welded; repair welding; welded joints; fatigue behavior ... See more keywords