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- Title
EXPERIMENTAL INVESTIGATION ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF DSS2205 AND SS304L DISSIMILAR WELDMENTS.
- Authors
MURUGAN, M.; SELVAKUMAR, G.; RAMKUMAR, T.; SELVAKUMAR, M.
- Abstract
This paper outlines the TIG welding process without using active flux for 4 mm-thick plates of duplex stainless steel (DSS 2205) and austenitic stainless steel (SS 304L). It also provides the properties and behavior analysis of weldments. Complete penetration is achieved with multi-pass welding. The microstructure is examined using an optical microscope (OM) and a scanning electron microscope (SEM). It was used to report on the differences between the unpolished zone and the heat-affected zone (HAZ) in weldments. A Vickers hardness tester (HV scale 10) was used to assess the weldment's hardness. Tensile and bend failure were among the mechanical properties exhibited by the parent metals of DSS2205, SS304L, and dissimilar junctions. The findings demonstrated shallow gaps in the surface area and a greater ultimate tensile strength of 600 MPa for DSS similar welding. However, compared to other similar weldments, dissimilar weldments exhibit superior performance in bending conditions.
- Subjects
AUSTENITIC stainless steel; TENSILE strength; GAS tungsten arc welding; SCANNING electron microscopes; VICKERS hardness
- Publication
Surface Review & Letters, 2024, Vol 31, Issue 10, p1
- ISSN
0218-625X
- Publication type
Article
- DOI
10.1142/S0218625X24500823