| DOI | Resolve DOI: https://doi.org/10.1179/1879139514Y.0000000160 |
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| Author | Search for: Fluke, A.I.; Search for: Fong, R.W.L.; Search for: Flacau, R.1 |
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| Affiliation | - National Research Council of Canada. NRC Canadian Neutron Beam Centre
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| Format | Text, Article |
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| Subject | Diffractometers; Neutron diffraction; Neutrons; Nuclear fuels; Phase composition; Thermal aging; Tubes (components); Zirconium; Atomic energy of canada limiteds; High-temperature annealing; Modified materials; Neutron powder diffractometer; Pressure tubes; Room temperature; Steam autoclave treatments; Thermal aging treatments; Pressure tube reactors |
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| Abstract | Zr-2·5Nb alloy is used for the pressure tubes in CANDU [CANDU® (CANada Deuterium Uranium) is a registered trademark of Atomic Energy of Canada Limited.] reactor fuel channels. Three phases (α, β and ω) of zirconium are known to exist in Zr-2·5Nb alloy pressure tube materials. An as received pressure tube is composed mainly of a phase and approximately 8% b phase material. In the last step of production, the pressure tube is given a steam autoclave treatment (i.e. thermal aging at 400°C for 24 h). This treatment results in decomposing the b phase into an Nb enriched b phase and a metastable v phase material. In the present experiment, as received pressure tube materials were modified by high temperature annealing and thermal aging treatments. This paper presents a neutron diffraction investigation into the phase compositions in the modified materials at room temperature using the C-2 high resolution neutron powder diffractometer at the Canadian Neutron Beam Centre. © 2015 Canadian Institute of Mining, Metallurgy and Petroleum Published by Maney on behalf of the Institute. |
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| Publication date | 2015 |
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| In | |
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| Language | English |
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| Peer reviewed | Yes |
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| NPARC number | 21275636 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 9482f28a-abac-4bd3-910a-fc59b128e694 |
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| Record created | 2015-07-14 |
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| Record modified | 2020-04-22 |
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