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Diffraction strain measurements for the characterization of residual stresses in welds for gas turbine applications

Abstract:

Neutron and synchrotron x-ray diffraction strain measurements around gas tungsten arc and electron beam welds are used to characterise the state of residual stress in an aeroengine component and testpieces in wrought nickel-based superalloys. Spatial resolution is typically found to be around 1 mm and typical counting times are around 15 minutes per orientation for neutron diffraction and 10 s for synchrotron x-rays. The effects of intergranular, orientation dependent strains are discussed...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
Engineering and Physical Sciences Research Council More from this funder
Rolls-Royce More from this funder
Ministry of Defence More from this funder
Defence Evaluation and Research Agency More from this funder
Publisher:
ASM International Publisher's website
Pages:
878-885
Host title:
Trends in Welding Research: Proceedings of the 6th International Conference
Publication date:
2003-01-01
Event location:
Pine Mountain, Georgia
Source identifiers:
63083
ISBN:
9780871707802
Language:
English
Keywords:
Subjects:
UUID:
uuid:023f0fa7-a282-467a-8bb4-629bbddfd2cc
Local pid:
pubs:63083
Deposit date:
2012-12-19

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