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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/63933
Record Status
Checked
Record Id
63933
Title
A non-destructive experimental investigation of elastic plastic interfaces of autofrettaged thick-walled cylindrical aluminium high pressure vessels
Contributors
Y Ma (STFC Rutherford Appleton Lab.)
,
SY Zhang (STFC Rutherford Appleton Lab)
,
C Goodway (STFC Rutherford Appleton Lab)
,
R Done (STFC Rutherford Appleton Lab)
,
B Evans (STFC Rutherford Appleton Lab)
,
O Kirichek (STFC Rutherford Appleton Lab)
,
Z Bowden (STFC Rutherford Appleton Lab)
Abstract
Positions of elastic plastic interfaces play a vital role in safe design and safe use of high pressure vessels. The ENGIN-X neutron diffractometer at the ISIS facility was used to measure the residual strain profiles in a series of aluminium vessels which had been subjected to different pressure levels. The positions of elastic plastic interfaces of the autofrettaged pressure vessels were identified. The results revealed that the residual strain magnitude and the depth of the plastic region will increase with increasing autofrettage pressure level. When autofrettage pressure produces an elastic-plastic boundary at a greater depth than geometric mean position of the vessel wall, reverse yielding will occur, hence the loss of the vessels' elastic ability to its subsequent loading. The neutron experimental results agreed well with both the suggestions from existing literatures and the results from FE simulations.
Organisation
ISIS
,
ISIS-ENGIN-X
,
STFC
Keywords
ISIS 2013
,
Engineering
Funding Information
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
Int J High Pressure Res
32, no. 3 (2012): 364-375.
doi:10.1080/08957959.2012.702766
2012
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