A study of laser-arc hybrid weldability of nickel-base INCONEL 738 LC superalloy

A study of laser-arc hybrid weldability of nickel-base INCONEL 738 LC superalloy

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Precipitation strengthened nickel-base superalloys, such as IN 738, are very difficult to weld by fusion welding techniques due to their high susceptibility to heat-affected zone (HAZ) intergranular liquation cracking. An improvement in weldability could be realized by the deployment of innovative w...

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Bibliographic Details
Main Author: Ola, Oyedele
Other Authors: Chaturvedi, Mahesh (Mechanical and Manufacturing Engineering) Ojo, Olanrewaju (Mechanical and Manufacturing Engineering)
Published: Materials Science and Technology 2013
Subjects:
Laser hybrid
Nickel base
Heat treatment
Filler alloy
Liquation cracking
Microstructure
Heat-affected zone
Fusion zone
Boride
Boron segregation
Online Access:http://hdl.handle.net/1993/22076

Internet

http://hdl.handle.net/1993/22076

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