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TEM characterization of stress corrosion cracks in 304SS

Abstract:
This paper reports the analysis of a sample of type 304 stainless steel tested under constant load (CLT) in a simulated pressurized water reactor environment in which had developed a mixture of both long (of the order of mm) and short (a few microns) cracks. A duplex oxide layer structure was observed along the flanks of all cracks. The chemical composition of the two layers remained constant and independent of crack depth. However, differences were observed as a function of crack depth between the thicknesses and sizes of the spinel crystallites that composed the two layers. The implication of these observations for SCC mechanisms is described.

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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author


Journal:
Institute of Physics Conference Series More from this journal
Volume:
179
Pages:
233-236
Publication date:
2004-01-01
ISSN:
0951-3248


Pubs id:
pubs:178715
UUID:
uuid:0663c38b-fb43-4a69-9063-23ffc778d400
Local pid:
pubs:178715
Source identifiers:
178715
Deposit date:
2012-12-19
ARK identifier:

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