Browsing by Author "Adar, Muhammed"

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Investigation of Tensile Strength and Hardness Behaviour of Hardox500 – St52 Specimen Joined by Gmaw Method
(Konya Technical University, 2020) Korkmaz, Şeyma; Çetin, Muhammet Hüseyin; Adar, Muhammed; Orak, Abdulkadir
In mechanical construction, meeting different industrial requirements such as high strength,wear and corrosion resistance can be achieved by using different materials together. Especially the usageof metallic materials together is important for sustainability. The use of different metallic materialstogether depends on the joining ability of the materials andexperimental studies are needed for theanalysis of joining ability.In this study, the weldability of Hardox500 and St52 (S355) steel by GMAW (GasMetal Arc Welding) method was investigated using different current and voltage parameters. Weldabilityof two different steel alloys were examined by tensile test, micro hardness measurement, SEM andmicrostructure imaging techniques. Tensile tests were applied to the welded samples and the criticalpoints and deformation characteristics of the samples were evaluated according to the determined inputparameters. Micro hardness values of the samples were determined by Vickers (HV) hardnessmeasurement method. According to the results, it was determined that the welding capability ofHardox500 and St52 material was low at low current and voltage values and that the hardness distribution occurred irregularly. It was determined that the tensile curves at high current and high voltage values exhibited more stable behaviour and a homogeneous hardness distribution occurred.