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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
Version:
Publisher's version

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Role:
Author
Rolls-Royce More from this funder
Engineering and Physical Sciences Research Council 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
Publication date:
2003-01-01
URN:
uuid:023f0fa7-a282-467a-8bb4-629bbddfd2cc
Source identifiers:
63083
Local pid:
pubs:63083
ISBN:
9780871707802

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