Quantification of sensitization in AA5083-H131 via imaging Ga-embrittled fracture surfaces

Birbilis, N., Zhang, R., Lim, M.L.C., Gupta, R.K, Davies, C.H.J., Lynch, S.P. and Scully, J.R. 2013, Quantification of sensitization in AA5083-H131 via imaging Ga-embrittled fracture surfaces, Corrosion, vol. 69, no. 4, pp. 396-402.

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Title Quantification of sensitization in AA5083-H131 via imaging Ga-embrittled fracture surfaces
Author(s) Birbilis, N.
Zhang, R.
Lim, M.L.C.
Gupta, R.K
Davies, C.H.J.
Lynch, S.P.
Scully, J.R.
Journal name Corrosion
Volume number 69
Issue number 4
Start page 396
End page 402
Total pages 7
Publisher NACE International
Place of publication Houston, Tex.
Publication date 2013
ISSN 0010-9312
1938-159X
Keyword(s) 5xxx series
aluminum
corrosion
grain boundaries
Summary Sensitization of 5xxx series Al alloys involving precipitation of β phase (Mg2Al3) at grain boundaries was studied for different exposure times at 100°C upon AA5083-H131 (UNS A95083). In this work, we reveal that fracture surfaces prepared by liquid gallium embrittlement can yield a quantification of grain boundary β phase with significant statistics on β phase size and spacing. This information is a necessary first step toward development of quantitative damage models to describe inter-granular corrosion (IGC) and stress corrosion (IGSCC).
Language eng
Field of Research 091207 Metals and Alloy Materials
091299 Materials Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30053604

Document type: Journal Article
Collection: Institute for Frontier Materials
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