Role of temper conditions on the hydrogen embrittlement behavior of AA 7010
By Krishnan, M. Ajay; Raja, V. S.
Published in Corrosion Science
2019
Abstract
This paper reports an attempt to understand the influence of temper conditions on the hydrogen embrittlement (HE) behaviour of AA 7010. A novel heat treatment technique reported in this paper exhibited crack growth rates on par with over aged temper in 3.5 wt.% NaCl under freely corroding conditions (@OCP). Copper enrichment on the grain boundary precipitates curtailed the hydrogen evolution and enhanced the alloy resistance to hydrogen embrittlement (@OCP) for both the temper conditions.
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