{"title":"Microstructure and mechanical behavior of a CO2 laser and TIG welded 904L steel","authors":"Z. Bogdanowicz, P. Jóźwik, B. Nasiłowska","doi":"10.7494/MAFE.2014.40.2.69","DOIUrl":null,"url":null,"abstract":"The paper presents the analysis of structural research, micro-hardness and mechanical properties of the base material which is steel 904 L and joints made with CO 2 laser beam and TIG method. The analysis of the equilibrium system created in the Thermo-Calc programme based on chemical composition shows a dominancy of austenite with of Fe α additions, phase σ, P and Laves' and M 23 C 6 and Cr 9 Mo 21 Ni 20 carbides. EBSD (Electron backscatter diffraction) research done by using electron scanning microscope confirmed the presence of pure austenite.","PeriodicalId":18751,"journal":{"name":"Metallurgy and Foundry Engineering","volume":"75 1","pages":"69-81"},"PeriodicalIF":0.0000,"publicationDate":"2014-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metallurgy and Foundry Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.7494/MAFE.2014.40.2.69","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 11
Abstract
The paper presents the analysis of structural research, micro-hardness and mechanical properties of the base material which is steel 904 L and joints made with CO 2 laser beam and TIG method. The analysis of the equilibrium system created in the Thermo-Calc programme based on chemical composition shows a dominancy of austenite with of Fe α additions, phase σ, P and Laves' and M 23 C 6 and Cr 9 Mo 21 Ni 20 carbides. EBSD (Electron backscatter diffraction) research done by using electron scanning microscope confirmed the presence of pure austenite.
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