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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/44233
Record Status
Checked
Record Id
44233
Title
Neutron Diffraction Evaluation of Residual for Several Weld Arrangements and Comparison with Fitness-For-Purpose Assessments
Contributors
AM Paradowska (STFC Rutherford Appleton Lab.)
,
JWH Price (Monash U.)
,
R Ibrahim (Monash U.)
,
TR Finlayson (Monash U.)
Abstract
In this research the neutron diffraction technique was used to investigate and compare the residual stress characteristics in a several weld arrangements. This research has focused on the effects on residual stress of:restraint condition applied during welding, the start and end of the weld for a single bead, and increasing the number of passes. The measured residual stress distributions are normalized by the yield strength of the material and compared with distribution provided in fitness-for-purpose procedures. It is found that the current safety assessment procedure BS 7910 and R6 Level 1 are significantly conservative. For a less conservative assessment R6 Level 2 is recommended, however even this assessment is often conservative, in particular for transverse residual stresses.
Organisation
ISIS
,
ISIS-ENGIN-X
,
STFC
Keywords
Engineering
,
neutron diffraction
,
residual stress
,
welding
,
multibeads on plate
,
SSTD 2007-2008
Funding Information
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
Journal of Pressure Vessel Technology- Trans. of the ASME 130, no. 1 (2008): 11501.
doi:10.1115/1.2826449
2008
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