X-ray micro-tomographic observations of hot tear damage in an Al-Mg commercial alloy

A. B. Phillion, S. L. Cockcroft, P. D. Lee

    Research output: Contribution to journalArticlepeer-review

    Abstract

    X-ray micro-tomography and three-dimensional image analysis were used to characterize hot tearing. The formation and interconnectivity of deformation induced damage during hot tearing was quantified in specimens of DC cast aluminum alloy AA5182 (of composition Al-4.63%Mg-0.49%Mn-0.17%Fe-0.04%Cu) subjected to tensile load at a temperature of 528 °C (fraction solid ∼0.98) over a range of strains varying from 0 to 0.20 (failure). This technique also allowed for quantification of the porosity formed during DC casting. © 2006 Acta Materialia Inc.
    Original languageEnglish
    Pages (from-to)489-492
    Number of pages3
    JournalScripta Materialia
    Volume55
    Issue number5
    DOIs
    Publication statusPublished - Sept 2006

    Keywords

    • Aluminum alloys
    • High temperature deformation
    • Hot tearing
    • Tension test
    • X-ray computed tomography

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