Thermo-mechanical fatigue of polycrystalline, directionally solidified and single crystal nickel base superalloys repaired by laser beam welding

Thermo-mechanical fatigue of polycrystalline, directionally solidified and single crystal nickel base superalloys repaired by laser beam welding

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The low cycle thermo-mechanical fatigue of laser beam welded conventionally cast Inconel 738, directionally solidified René 80 and single crystal René N5 has been evaluated. Results have been compared to gas tungsten arc and baseline alloy conditions. Metallographic examination of laser beam welds...

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Bibliographic Details
Main Author: Durocher, Jonathan
Other Authors: Richards, Norman (Mechanical and Manufacturing Engineering) Cahoon, John (Mechanical and Manufacturing Engineering)
Published: 2013
Subjects:
superalloys
metallography
laser welding
thermomechanical fatigue
crack initiation
Online Access:http://hdl.handle.net/1993/18486

Internet

http://hdl.handle.net/1993/18486

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