Published: Jan 1983
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The term thermal creep, as it is used here, denotes the creep behavior of a material in the absence of irradiation. Although, the major source of deformation in zirconium components in water-cooled reactors is irradiation creep, thermal creep may give rise to significant deformation in these components especially at relatively high temperatures or stresses, and therefore it must be predicted accurately. Moreover, thermal creep behavior is intimately related to irradiation creep so that an understanding of irradiation creep in zirconium necessitates a thorough understanding of its thermal creep behavior. Finally, because of the relationship between thermal and irradiation creep, thermal creep tests potentially have some use in the quality control and quality assurance of reactor core components.
Paper ID: STP34410S