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The influence of Reynolds number on flow corrosion of austentic stainless steels in 3.5% NaCl solution

Wharton, J.A. and Wood, R.J.K. (2003) The influence of Reynolds number on flow corrosion of austentic stainless steels in 3.5% NaCl solution At NACE Corrosion 2003.

Record type: Conference or Workshop Item (Paper)

Abstract

The metastable pitting behavior for two grades of austenitic stainless steel, AISI 304L and 316L have been investigated for a range of controlled hydrodynamic conditions: static, laminar and turbulent (Reynolds numbers of 1000, 2000, 3000, 10000, 50000 and 75000). Metastable pitting was evident under all flow regimes. Fluid flow, whether laminar or turbulent, appeared to have little overall effect on the nucleation rates of metastable pitting events. Conversely, stable pit growth was most evident at Reynolds numbers immediately before the transition to turbulent flow and close to the critical velocity (~1.5 ms) at Reynolds numbers of approximately 2000 and 50000 respectively. The corrosion behavior of the two austenitic stainless steels has been compared with UNS S32760 exposed to the same hydrodynamic conditions.

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More information

Published date: 2003
Venue - Dates: NACE Corrosion 2003, 2003-01-01
Keywords: stainless steel, pipe flow, corrosion, critical velocity, dimensionless groups, electrochemical noise, electrolyte flow, friction factor, hydrodynamic, pitting

Identifiers

Local EPrints ID: 22494
URI: http://eprints.soton.ac.uk/id/eprint/22494
PURE UUID: 13417ce5-20a3-4c1f-a7a4-8973d0568d4e
ORCID for J.A. Wharton: ORCID iD orcid.org/0000-0002-3439-017X

Catalogue record

Date deposited: 01 Jun 2006
Last modified: 17 Jul 2017 16:21

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Contributors

Author: J.A. Wharton ORCID iD
Author: R.J.K. Wood

University divisions

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