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The effect of salt loading on chloride-induced stress corrosion cracking of 304L austenitic stainless steel under atmospheric conditions

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Title: The effect of salt loading on chloride-induced stress corrosion cracking of 304L austenitic stainless steel under atmospheric conditions
Authors: Scatigno, GG
Dong, P
Ryan, MP
Wenman, MR
Item Type: Journal Article
Abstract: The effect of salt loading on chloride-induced stress corrosion cracking in 304 L was studied at atmospheric pressure. Stress relieved samples were uniaxially pre-strained to 5% and were loaded with nine levels of MgCl2, investigating Cl− deposition levels from 1.7 × 10−4 to 3.1 x 10−2 g cm−2. Samples were subject to 60 MPa stress, 90 °C at 70% relative humidity, for 480 h. A direct correlation between chloride deposition and the density of cracking and corrosion was observed between 5.7 × 10−4 and 1.96 × 10−2 g cm−2. Crack propagation rates were constant between salt loadings of 5.7 × 10−4 and 2.4 × 10−2 g cm−2 at 1–2 µm h−1.
Issue Date: Dec-2019
Date of Acceptance: 14-Oct-2019
URI: http://hdl.handle.net/10044/1/76519
DOI: 10.1016/j.mtla.2019.100509
ISSN: 2589-1529
Publisher: Elsevier BV
Start Page: 1
End Page: 11
Journal / Book Title: Materialia
Volume: 8
Copyright Statement: © 2019 Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence http://creativecommons.org/licenses/by-nc-nd/4.0/
Sponsor/Funder: Engineering and Physical Sciences Research Council
Funder's Grant Number: EP/P005101/1
Publication Status: Published
Article Number: 100509
Online Publication Date: 2019-10-16
Appears in Collections:Materials
Faculty of Natural Sciences