Microstructural banding effects clarified through micrographic digital image correlation

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Abstract

Microstructural banding is commonly observed in commercial steels, but its effect on the global mechanical properties is still disputed in the literature. This letter investigates the influence of band morphology and banding phase properties from tensile tests for two limit cases (continuous hard band vs. discontinuous softer band), analysed from digital image correlation of in situ electronmicroscopy micrographs. The effects of band continuity and hardness are elucidated, yielding a clear detrimental influence especially for hard bands with a continuous morphology.
Original languageEnglish
Pages (from-to)835-838
JournalScripta Materialia
Volume62
Issue number11
DOIs
Publication statusPublished - 2010

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