SYMPOSIA PAPER
Published:
01 January 1984
STP34464S
Pressure Tube Development for CANDU Reactors
SourceA development program is described in which reactor grade Zr-2.5Nb pressure tubes were produced with properties comparable to current reactor tubes but which are expected to show lower in-reactor creep and growth. Lower creep and growth rates would mean smaller axial elongations of tubes in service.
Evaluation of the tubes showed that they met the specification requirements and compared favorably with tubes produced by the current route. Early in-reactor creep tests suggest that the development tubes will exhibit similar diametral creep behavior to current tubes. In-reactor growth tests have not yet reached steady-state behavior. The properties and possible reasons for the behavior are reported and discussed.
Author Information
Fleck, RG
Nuclear Metallurgy, Ontario Hydro Research Division, Toronto, Ont., Canada
Price, EG
Materials Engineering, Atomic Energy of Canada Ltd., CANDU-Operations, Sheridan Park, Ont., Canada
Cheadle, BA
Metallurgical Engineering, Atomic Energy of Canada Ltd., Research Co., Chalk River, Ont., Canada
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Details
Developed by Committee: B10
Pages: 88–105
DOI: 10.1520/STP34464S
ISBN-EB: 978-0-8031-4895-6
ISBN-13: 978-0-8031-0270-5