{"title":"The Effects of Welding Speed on Microstructure and Mechanical Properties of Dissimilar Welded Joints by CO2 Laser Welding","authors":"M. Taşkin","doi":"10.3139/120.110528","DOIUrl":null,"url":null,"abstract":"Abstract This study investigated the effects of welding speed on microstructure and mechanical properties of dissimilar welded joints (AISI 430 ferritic stainless steel and AISI 1010 low-carbon steel) by using CO2 laser beam welding. Laser beam welding (LBW) experiments were carried out under argon and helium shielding gas atmosphere at 2500 W constant heat input and 100–200–300 cm/min welding speeds. The microstructures of the welded joints were examined by optical microscopy, SEM, EDS, and X-ray analysis. The tensile strength of the welded joints was measured. The results of this study demonstrated that the best properties were observed at the specimens welded at a welding speed of 100 cm/min.","PeriodicalId":351153,"journal":{"name":"Materials Testing-Materials and Components Technology and Application","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Testing-Materials and Components Technology and Application","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3139/120.110528","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
Abstract This study investigated the effects of welding speed on microstructure and mechanical properties of dissimilar welded joints (AISI 430 ferritic stainless steel and AISI 1010 low-carbon steel) by using CO2 laser beam welding. Laser beam welding (LBW) experiments were carried out under argon and helium shielding gas atmosphere at 2500 W constant heat input and 100–200–300 cm/min welding speeds. The microstructures of the welded joints were examined by optical microscopy, SEM, EDS, and X-ray analysis. The tensile strength of the welded joints was measured. The results of this study demonstrated that the best properties were observed at the specimens welded at a welding speed of 100 cm/min.
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