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Citation Information : Transport Problems. Volume 11, Issue 4, Pages 21-27, DOI: https://doi.org/10.20858/tp.2016.11.4.3
License : (CC BY-SA 4.0)
Received Date : 23-April-2015 / Accepted: 18-October-2016 / Published Online: 02-February-2017
Summary. The goal of this paper is to analyze the exploitation and safety conditions of weld steel structure of car body truck frames after welding repairs made by covered electrodes. The main role of conditions in connected with materials, alloy elements in steel and filer materials, welding technology, state of stress and temperature. Because of that, good selection of steel and choice of welding method for proper steel structure repairs are very important. For responsible steel, structures like truck frames and low alloy steel are used, very often with small amounts of carbon and some amounts of alloy elements such as Ni and Mo in low alloy steel and their welds. To study the frame’s flexibility and resistance, welded joints have been analyzed. Samples have been welded by steel electrodes with various amounts of Ni.
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