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Proceedings Article
Investigation on Microstructure and Mechanical Properties of Corrosion Resistance Alloy C-2000 Fabricated by Conventional Arc Welding TechniquePublished in SAE International
2019
DOI: 10.4271/2019-28-0177
Issue: October
In the current work the metallurgical and tensile properties of the weld joints of alloy C-2000 were investigated. Welding technique employed in this study is Tungsten Inert Gas Welding (TIG) and Pulsed Current Tungsten Inert Gas (PC-TIG) welding with autogenous mode and Ni-Cr-Mo rich ERNiCrMo-10 filler wire. The results show that PC-TIG weldment obtained the refined microstructure compared to the TIG weldment. Energy dispersive spectroscopy (EDS) showed the extent of Cr segregation was observed in all the weldments. PC-TIG welding shows reduced segregation compared to the corresponding TIG. X-ray diffraction (XRD) corroborated the existence of Ni3Cr2 phases in the weld fusion zone. Tensile test results show the PC-TIG weldment obtained marginally higher tensile properties comparing over the corresponding TIG weldment. The strength of the weldments is inferior in all cases in comparison to base metal. © 2019 SAE International. All Rights Reserved.
Topics: Arc welding (74)%74% related to the paper, Corrosion (57)%57% related to the paper, Microstructure (57)%57% related to the paper and Alloy (52)%52% related to the paper
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About the journal
| Journal | SAE Technical Paper Series |
|---|---|
| Publisher | SAE International |
| ISSN | 01487191 |
| Open Access | No |
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