The Effect of Thermal Cycling on Steam Oxidation Behaviour of TP347H FG at 650°C

Rebecca-Louise Mobbs; Steve Osgerby; Mary Taylor; Hugh Evans

doi:10.1080/09603409.2017.1389380

The Effect of Thermal Cycling on Steam Oxidation Behaviour of TP347H FG at 650°C

Rebecca-Louise Mobbs, Steve Osgerby, Mary Taylor, Hugh Evans

Metallurgy and Materials

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Abstract

The cyclic oxidation behaviour of fine-grained type 347 stainless steel (TP347H FG) at 650 °C in air saturated steam and deoxygenated steam environments for 100-1000 hours has been investigated. Electron microscopy, energy dispersive and wavelength dispersive X-ray Spectroscopy (EDS and WDS, respectively) have been used to characterise the samples. Short term oxidation tests have shown only haematite spallation occurs whereas longer term tests have shown magnetite also spalls on cooling to room temperature. In all cases cyclic oxidation showed spallation does not occur after long term tests and is only visible in small amounts after short term tests subsequent to the initial spallation event.

Original language	English
Pages (from-to)	291-298
Journal	Materials at High Temperatures
Volume	35
Issue number	1-3
Early online date	19 Oct 2017
DOIs	https://doi.org/10.1080/09603409.2017.1389380
Publication status	Published - 1 Mar 2018

Keywords

Steam oxidation
Spallation
TP347H FG
Austenitic Stainless Steel

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The Effect of Thermal Cycling on Steam Oxidation Behaviour of TP347H FG at 650°C
This is an Accepted Manuscript of an article published by Taylor & Francis in Materials at High Temperatures on 19/10/2017, available online: http://www.tandfonline.com/10.1080/09603409.2017.1389380
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title = "The Effect of Thermal Cycling on Steam Oxidation Behaviour of TP347H FG at 650°C",

abstract = "The cyclic oxidation behaviour of fine-grained type 347 stainless steel (TP347H FG) at 650 °C in air saturated steam and deoxygenated steam environments for 100-1000 hours has been investigated. Electron microscopy, energy dispersive and wavelength dispersive X-ray Spectroscopy (EDS and WDS, respectively) have been used to characterise the samples. Short term oxidation tests have shown only haematite spallation occurs whereas longer term tests have shown magnetite also spalls on cooling to room temperature. In all cases cyclic oxidation showed spallation does not occur after long term tests and is only visible in small amounts after short term tests subsequent to the initial spallation event. ",

keywords = "Steam oxidation, Spallation, TP347H FG, Austenitic Stainless Steel",

author = "Rebecca-Louise Mobbs and Steve Osgerby and Mary Taylor and Hugh Evans",

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AU - Taylor, Mary

AU - Evans, Hugh

PY - 2018/3/1

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N2 - The cyclic oxidation behaviour of fine-grained type 347 stainless steel (TP347H FG) at 650 °C in air saturated steam and deoxygenated steam environments for 100-1000 hours has been investigated. Electron microscopy, energy dispersive and wavelength dispersive X-ray Spectroscopy (EDS and WDS, respectively) have been used to characterise the samples. Short term oxidation tests have shown only haematite spallation occurs whereas longer term tests have shown magnetite also spalls on cooling to room temperature. In all cases cyclic oxidation showed spallation does not occur after long term tests and is only visible in small amounts after short term tests subsequent to the initial spallation event.

AB - The cyclic oxidation behaviour of fine-grained type 347 stainless steel (TP347H FG) at 650 °C in air saturated steam and deoxygenated steam environments for 100-1000 hours has been investigated. Electron microscopy, energy dispersive and wavelength dispersive X-ray Spectroscopy (EDS and WDS, respectively) have been used to characterise the samples. Short term oxidation tests have shown only haematite spallation occurs whereas longer term tests have shown magnetite also spalls on cooling to room temperature. In all cases cyclic oxidation showed spallation does not occur after long term tests and is only visible in small amounts after short term tests subsequent to the initial spallation event.

KW - Steam oxidation

KW - Spallation

KW - TP347H FG

KW - Austenitic Stainless Steel

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JO - Materials at High Temperatures

JF - Materials at High Temperatures

IS - 1-3

ER -

The Effect of Thermal Cycling on Steam Oxidation Behaviour of TP347H FG at 650°C

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