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Corrosion behaviour and hardness of in situ consolidated nanostructured Al and Al-Cr alloys produced via high-energy ball milling

journal contribution
posted on 2023-10-26, 03:18 authored by R K Gupta, Daniel FabijanicDaniel Fabijanic, R Zhang, N Birbilis
This paper presents a hypothesis and its experimental validation that simultaneous improvement in the hardness and corrosion resistance of aluminium can be achieved by the combination of suitable processing route and alloying additions. More specifically, the corrosion resistance and hardness of Al- xCr (x= 0-10 wt.%) alloys as produced via high-energy ball milling were significantly higher than pure Al and AA7075-T651. The improved properties of the Al- xCr alloys were attributed to the Cr addition and high-energy ball milling, which caused nanocrystalline structure, extended solubility of Cr in Al, and uniformly distributed fine intermetallic phases in the Al-Cr matrix.

History

Journal

Corrosion science

Volume

98

Pagination

643 - 650

Location

Amsterdam, The Netherlands

ISSN

0010-938X

Language

eng

Publication classification

C Journal article; C1 Refereed article in a scholarly journal