Microstructure and mechanical behavior of a CO2 laser and TIG welded 904L steel
DOI:
https://doi.org/10.7494/mafe.2014.40.2.69Keywords:
steel 904L, welding TIG, laserAbstract
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 CO2 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 Feα additions, phase σ, P and Laves' and M23C6 and Cr9Mo21Ni20 carbides. EBSD (Electron backscatter diffraction) research done by using electron scanning microscope confirmed the presence of pure austenite.
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2014-11-18
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Microstructure and mechanical behavior of a CO2 laser and TIG welded 904L steel. (2014). Metallurgy and Foundry Engineering, 40(2), 69. https://doi.org/10.7494/mafe.2014.40.2.69