STP551

    Dual Analysis of Longitudinal and Transverse Zirconium Tensile Stress-Strain Data

    Published: Jan 1974


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    Abstract

    An analysis of zirconium tensile stress-strain data was made by the Crussard and Jaoul method and an analogous method based on the Swift equation ϵp = ϵpo + cσm. Data from transverse and longitudinal specimens from 4 to 813 K were considered. Also investigated were the effects of a small 77 K prestrain on the 300 K deformation behavior, and the effect of composition on the deformation at an intermediate temperature (≅575 K). The two analyses revealed the same basic deformation stages in all specimens. Transverse and longitudinal specimens exhibited, in general, a different pattern of stages. At elevated temperatures (above 550 to 600 K) pure zirconium tends to exhibit single-stage behavior. Specimens in which kinking or twinning are significant factors showed multi-stage behavior. The basic pure zirconium stress-strain curve is one in which the stress-strain curve slope decreases rapidly with increasing stress.

    Keywords:

    zirconium, zirconium alloys, tension tests, stresses, strains, analyzing, evaluation, texture, ductility, irradiation


    Author Information:

    Garde, AM
    Graduate student and professor, University of Florida, Gainesville, Fla.

    Reed-Hill, RE
    Graduate student and professor, University of Florida, Gainesville, Fla.


    Paper ID: STP32105S

    Committee/Subcommittee: B10.02

    DOI: 10.1520/STP32105S


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