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Fractal pattern of δ-hydride with stress-state

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  • Das, Arpan

Abstract

Fractal dimension of any defect in microstructure is a critical parameter for their geometric irregularities, pattern of arrangements and morphological attributes. The fractal dimensions of δ-hydride network (circumferential and radial) at different hydrogen concentrations of a Zr–2.5Nb pressure tube have been determined and correlated with its respective microstructural and textural variables as a function of stress-state. Image texture analysis has also been carried out to realize the stored energy and configurational stability of the δ-hydride pattern under α-Zr matrix. The invasive fractal nature, chaos and reorientation of δ-hydride as a function of processing schedule, stress-state and hydrogen content has been convincingly revealed. This research will be extremely useful in estimating primarily the severity of hydrogen embrittlement of a nuclear component by simply analyzing the fractal pattern and image texture of such hydride networks.

Suggested Citation

  • Das, Arpan, 2024. "Fractal pattern of δ-hydride with stress-state," Chaos, Solitons & Fractals, Elsevier, vol. 186(C).
    • Handle: RePEc:eee:chsofr:v:186:y:2024:i:c:s0960077924007008
    DOI: 10.1016/j.chaos.2024.115148
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