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Microstructural evolution, electrochemical and corrosion properties of Al CoCrFeNiTi high entropy alloys

Qiu, Y.; Thomas, S.; Fabijanic, D.; Barlow, A.J.; Fraser, H.L.; Birbilis, Nick


The microstructure of the AlxCoCrFeNiTiy high entropy alloy (HEA) system was studied using X-ray diffraction, scanning and transmission electron microscopy. A microstructural evolution from single-phase FCC to FCC + BCC + B2 occurred with increasing Al content. The addition of a comparatively small amount of Ti led to the formation of a Fe-Cr sigma phase. The corrosion characteristics of the alloy system were studied across different compositions, with such an alloy system exhibiting a high...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Materials and Design
DOI: 10.1016/j.matdes.2019.107698
Access Rights: Open Access


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