2015
DOI: 10.1016/j.jnucmat.2014.09.071
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Microstructure–mechanical property correlation of cryo rolled Zircaloy-4

Abstract: The evolution of microstructure and the mechanical properties of cryo-rolled Zircaloy-4 were both investigated to understand the origin of the alloy's strength processed at a cryogenic temperature. The correlation of dislocation density, grain size and yield stress of the rolled product indicated that an increase in dislocation density due to the suppression of dynamic recovery is the primary source of strengthening.

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Cited by 22 publications
(4 citation statements)
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“…The effects of strain hardening may be removed by an annealing heat treatment. [15] investigated the evolution of microstructure and the mechanical properties of cryo-rolled Zircaloy-4 to understand the origin of the alloy's strength processed at a cryogenic temperature. A 4.2 mm thick Zry-4 plate with a nominal chemical composition of (Zr-1.5Sn-0.1Cr-0.2Fe) was used for this study.…”
Section: Cold Working Effect On Mechanical Properties Of Zircaloy-4mentioning
confidence: 99%
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“…The effects of strain hardening may be removed by an annealing heat treatment. [15] investigated the evolution of microstructure and the mechanical properties of cryo-rolled Zircaloy-4 to understand the origin of the alloy's strength processed at a cryogenic temperature. A 4.2 mm thick Zry-4 plate with a nominal chemical composition of (Zr-1.5Sn-0.1Cr-0.2Fe) was used for this study.…”
Section: Cold Working Effect On Mechanical Properties Of Zircaloy-4mentioning
confidence: 99%
“…(a) Engineering stress-strain curves for annealed and cryo-rolled Zry-4 samples and (b) variation of YS, UTS and %EL with rolling reduction[15].…”
mentioning
confidence: 99%
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“…Second, the results of dislocation density are not very precise due mainly to the influence of many theoretical and instrumental parameters including peak asymmetry and broadening parameters, structural defects, texture and sample condition on the measured values of microstrain and crystallite size [24]. In spite of the mentioned restrictions, nowadays XRDLPA is regarded as significant in dislocation density measurement, especially when reliable results on the dislocation density are needed [23,[25][26][27].…”
Section: Introductionmentioning
confidence: 99%