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Development of arc welding technique to preclude microsegregation in the dissimilar joint of Alloy C-2000 and C-276 by B Arulmurugan; M Sathishkumar; D Balaji; K Muralikrishnan; S Pranesh; V Praveen; K Praveen Kumar; N Arivazhagan; M Manikandan is a Engineering article available to read on EtoBox.
What is Development of arc welding technique to preclude microsegregation in the dissimilar joint of Alloy C-2000 and C-276 about?
Hastelloy C-2000 and C-276 are widely used in Flue Gas Desulphurization (FGD) system and Chemical Processing Industries (CPI). Current work is focused on weld microstructure, and mechanical properties (structure-property relationship) of the dissimilar combination of alloy C-2000 and C-276. Multi-pass Pulsed Current Gas Tungsten Arc (PCGTA) welding was adopted for joining the dissimilar alloys using the filler ERNiCrMo-17. Microstructural characteristics of the weld joint were assessed by Optical and Scanning Electron Microscope (SEM). Weld interface microstructure examination revealed the presence of grain coarsening near the Heat Affecting Zone (HAZ) of the alloy C-276 side. SEM analysis shows the absence of secondary Topologically Closed Packed (TCP) phases in the Inter-Dendritic (ID) regions of the dissimilar weld. Micro-segregation of alloying elements in the weldment was assessed by Energy-Dispersive X-ray Spectroscopy (EDS). X-Ray Diffraction (XRD) analysis had been carried out to identify the phase constitution and average grain size. Strength, toughness, and hardness of the dissimilar weld were evaluated with the support of the tensile test, Charpy impact test, and Vicker’
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- Author
- B Arulmurugan; M Sathishkumar; D Balaji; K Muralikrishnan; S Pranesh; V Praveen; K Praveen Kumar; N Arivazhagan; M Manikandan
- Publisher
- SAGE Publications
- Published
- 2021
- Language
- EN
- Field
- Engineering (Physical Sciences)