Characterisation of salt films on dissolving metal surfaces in artificial corrosion pits via in situ synchrotron X-ray diffraction

Trevor Rayment; Alison Davenport; AJ Dent; Jean-Philippe Tinnes; Richard Wiltshire; C Martin; G Clark; P Quinn; JFW Mosselmans

doi:10.1016/j.elecom.2008.03.018

Characterisation of salt films on dissolving metal surfaces in artificial corrosion pits via in situ synchrotron X-ray diffraction

Trevor Rayment
, Alison Davenport
, AJ Dent
, Jean-Philippe Tinnes
, Richard Wiltshire
, C Martin
, G Clark
, P Quinn
, JFW Mosselmans

Research output: Contribution to journal › Article

53 Citations (Scopus)

Abstract

The salt films formed on metal surfaces dissolving inside artificial corrosion pits formed in 1 M HCl have been probed with synchrotron X-ray diffraction. NiCl2 center dot 6H(2)O is the main phase in the salt film on nickel, whereas salt films on both iron and 316 L stainless steel are predominantly FeCl2 center dot 4H(2)O. However, the salt film on iron has a very fine homogeneous crystallite size whereas that on stainless steel is much coarser. The potential-dependence of the film formed on iron has been determined. (c) 2008 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	855-858
Number of pages	4
Journal	Electrochemistry Communications
Volume	10
Issue number	6
DOIs	https://doi.org/10.1016/j.elecom.2008.03.018
Publication status	Published - 1 Jan 2008

Keywords

corrosion pitting
salt film
synchrotron
X-ray diffraction

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10.1016/j.elecom.2008.03.018

Microfocus Synchrotron X-Ray Studies of Localised Corrosion
Rayment, T. (Principal Investigator) & Davenport, A. (Co-Investigator)
Engineering & Physical Science Research Council
5/09/07 → 4/09/11
Project: Research Councils

Cite this

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title = "Characterisation of salt films on dissolving metal surfaces in artificial corrosion pits via in situ synchrotron X-ray diffraction",

abstract = "The salt films formed on metal surfaces dissolving inside artificial corrosion pits formed in 1 M HCl have been probed with synchrotron X-ray diffraction. NiCl2 center dot 6H(2)O is the main phase in the salt film on nickel, whereas salt films on both iron and 316 L stainless steel are predominantly FeCl2 center dot 4H(2)O. However, the salt film on iron has a very fine homogeneous crystallite size whereas that on stainless steel is much coarser. The potential-dependence of the film formed on iron has been determined. (c) 2008 Elsevier B.V. All rights reserved.",

keywords = "corrosion pitting, salt film, synchrotron, X-ray diffraction",

author = "Trevor Rayment and Alison Davenport and AJ Dent and Jean-Philippe Tinnes and Richard Wiltshire and C Martin and G Clark and P Quinn and JFW Mosselmans",

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language = "English",

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journal = "Electrochemistry Communications",

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T1 - Characterisation of salt films on dissolving metal surfaces in artificial corrosion pits via in situ synchrotron X-ray diffraction

AU - Rayment, Trevor

AU - Davenport, Alison

AU - Dent, AJ

AU - Tinnes, Jean-Philippe

AU - Wiltshire, Richard

AU - Martin, C

AU - Clark, G

AU - Quinn, P

AU - Mosselmans, JFW

PY - 2008/1/1

Y1 - 2008/1/1

N2 - The salt films formed on metal surfaces dissolving inside artificial corrosion pits formed in 1 M HCl have been probed with synchrotron X-ray diffraction. NiCl2 center dot 6H(2)O is the main phase in the salt film on nickel, whereas salt films on both iron and 316 L stainless steel are predominantly FeCl2 center dot 4H(2)O. However, the salt film on iron has a very fine homogeneous crystallite size whereas that on stainless steel is much coarser. The potential-dependence of the film formed on iron has been determined. (c) 2008 Elsevier B.V. All rights reserved.

AB - The salt films formed on metal surfaces dissolving inside artificial corrosion pits formed in 1 M HCl have been probed with synchrotron X-ray diffraction. NiCl2 center dot 6H(2)O is the main phase in the salt film on nickel, whereas salt films on both iron and 316 L stainless steel are predominantly FeCl2 center dot 4H(2)O. However, the salt film on iron has a very fine homogeneous crystallite size whereas that on stainless steel is much coarser. The potential-dependence of the film formed on iron has been determined. (c) 2008 Elsevier B.V. All rights reserved.

KW - corrosion pitting

KW - salt film

KW - synchrotron

KW - X-ray diffraction

U2 - 10.1016/j.elecom.2008.03.018

DO - 10.1016/j.elecom.2008.03.018

M3 - Article

VL - 10

SP - 855

EP - 858

JO - Electrochemistry Communications

JF - Electrochemistry Communications

IS - 6

ER -

Characterisation of salt films on dissolving metal surfaces in artificial corrosion pits via in situ synchrotron X-ray diffraction

Abstract

Keywords

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Projects

Microfocus Synchrotron X-Ray Studies of Localised Corrosion

Cite this