The creep deformation model of an electroformed nanocrystalline nickel-phosphorous repair material is examined in this paper, at the design temperature of 616K (650K), characteristic for the majority of Pressurized Water Reactor (PWR) nuclear power plants. The results from 15 constant load creep tests of this material, at stresses between 103 MPa and 483 MPa, were used to validate the model. The total creep rate determined with the model suggested in this paper, based on two predominant deformation mechanisms, is also compared with the literature.

Volume Subject Area:
Materials and Fabrication
Topics:
Alloys, Deformation, Nickel, Creep, Pressurized water reactors, Stress, Design, Maintenance, Nuclear power stations, Temperature
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Copyright © 2005
 by Framatome ANP, Inc.
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