Evaluation of residual stresses in electron-beam welded Zr2.5Nb0.9Hf Zircadyne flange mock-up of a reflector vessel beam tube flange
(2013) In Journal of Nuclear Materials 438(1-3). p.154-162- Abstract
- The dual-phase alloy Zr2.5Nb alloy is an important nuclear material, because of its use in current and possible use in future nuclear reactors. It is, however, well-known that Zr2.5Nb weldments can fail through a time-dependent mechanism called delayed hydride cracking which is typically driven by the presence of tensile residual stresses. With a view to understanding the development of residual stresses associated with Zr2.5Nb welds the current study focuses on the evaluation of the residual stresses in a mock-up of a reactor beam tube flange made from Zr2.5Nb0.9Hf. The present results suggests that, like ferritic welds which undergo a solid-state phase transformation upon welding, Zr2.5Nb0.9Hf welds also develop high tensile residual... (More)
- The dual-phase alloy Zr2.5Nb alloy is an important nuclear material, because of its use in current and possible use in future nuclear reactors. It is, however, well-known that Zr2.5Nb weldments can fail through a time-dependent mechanism called delayed hydride cracking which is typically driven by the presence of tensile residual stresses. With a view to understanding the development of residual stresses associated with Zr2.5Nb welds the current study focuses on the evaluation of the residual stresses in a mock-up of a reactor beam tube flange made from Zr2.5Nb0.9Hf. The present results suggests that, like ferritic welds which undergo a solid-state phase transformation upon welding, Zr2.5Nb0.9Hf welds also develop high tensile residual stresses in the heat-affected zone whereas the stresses closer to the weld tip are reduced by the effects of the beta -> alpha solid-state phase transformation. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/3930524
- author
- Muransky, O. ; Holden, T. M. ; Kirstein, Oliver LU ; James, J. A. ; Paradowska, A. M. and Edwards, L.
- organization
- publishing date
- 2013
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Journal of Nuclear Materials
- volume
- 438
- issue
- 1-3
- pages
- 154 - 162
- publisher
- Elsevier
- external identifiers
-
- wos:000319481700022
- scopus:84876121513
- ISSN
- 0022-3115
- DOI
- 10.1016/j.jnucmat.2013.02.045
- language
- English
- LU publication?
- yes
- id
- cf962df2-0774-4a44-bc57-c352c7423393 (old id 3930524)
- date added to LUP
- 2016-04-01 11:04:41
- date last changed
- 2022-01-26 05:10:47
@article{cf962df2-0774-4a44-bc57-c352c7423393,
abstract = {{The dual-phase alloy Zr2.5Nb alloy is an important nuclear material, because of its use in current and possible use in future nuclear reactors. It is, however, well-known that Zr2.5Nb weldments can fail through a time-dependent mechanism called delayed hydride cracking which is typically driven by the presence of tensile residual stresses. With a view to understanding the development of residual stresses associated with Zr2.5Nb welds the current study focuses on the evaluation of the residual stresses in a mock-up of a reactor beam tube flange made from Zr2.5Nb0.9Hf. The present results suggests that, like ferritic welds which undergo a solid-state phase transformation upon welding, Zr2.5Nb0.9Hf welds also develop high tensile residual stresses in the heat-affected zone whereas the stresses closer to the weld tip are reduced by the effects of the beta -> alpha solid-state phase transformation. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.}},
author = {{Muransky, O. and Holden, T. M. and Kirstein, Oliver and James, J. A. and Paradowska, A. M. and Edwards, L.}},
issn = {{0022-3115}},
language = {{eng}},
number = {{1-3}},
pages = {{154--162}},
publisher = {{Elsevier}},
series = {{Journal of Nuclear Materials}},
title = {{Evaluation of residual stresses in electron-beam welded Zr2.5Nb0.9Hf Zircadyne flange mock-up of a reflector vessel beam tube flange}},
url = {{http://dx.doi.org/10.1016/j.jnucmat.2013.02.045}},
doi = {{10.1016/j.jnucmat.2013.02.045}},
volume = {{438}},
year = {{2013}},
}