Heat Affected Zone Cracking of Allvac 718Plus Superalloy during High Power Beam Welding and Post-weld Heat Treatment

Heat Affected Zone Cracking of Allvac 718Plus Superalloy during High Power Beam Welding and Post-weld Heat Treatment

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The present dissertation reports the findings of a study of cracking behavior of a newly developed superalloy, Allvac 718Plus during high power beam welding and post-weld heat treatment. Microstructures of the base alloy, heat affected zone (HAZ) and fusion zone (FZ) of welded and post-weld heat tre...

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Bibliographic Details
Main Author: Idowu, Oluwaseun Ayodeji
Other Authors: Chaturvedi, Mahesh (Mechanical and Manufacturing Engineering) Ojo, Olanrewaju (Mechanical and Manufacturing Engineering)
Language:en_US
Published: 2010
Subjects:
Allvac 718Plus
Inconel 718
Superalloy
Boron
Grain boundary segregation
SIMS
Welding
Heat affected zone cracking
Microstructural analysis
Heat treatment
Electron beam welding
Laser beam welding
Post weld heat treatment cracking
Constitutional liquation
Grain size
Weld heat input
Gamma prime
Liquid film migration
HAZ cracking
Online Access:http://hdl.handle.net/1993/3911

Internet

http://hdl.handle.net/1993/3911

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