Impact specimen geometry on T23 and TP347HFG steels behaviour during steam oxidation at harsh conditions

Date published

2016-05-26

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Volume Title

Publisher

Taylor and Francis

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Type

Article

ISSN

1478-422X

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Citation

T. Dudziak, M. Lukaszewicz, N. J. Simms and J. R. Nicholls. Impact specimen geometry on T23 and TP347HFG steels behaviour during steam oxidation at harsh conditions. Corrosion Engineering, Science and Technology, 2017, Vol.52, Iss.1, pp46-53

Abstract

Ferritic T23 steel and austenitic TP347HFG steel have been studied with an emphasis on understanding the impact of specimen geometry on their steam oxidation behaviour. The selected materials were tested over a wide range of temperatures from 600 to 750°C. The tests were carried out in 100% steam conditions for 1000 hours. The tests indicated that the ‘curved-shaped’ specimens show slower mass gain, scale ticking and void nucleation rates than ‘bridge-shaped’ specimens (with flat and convex surfaces combined). Furthermore, a bridge TP347HFG sample showed the formation of lower amount of flaky oxide at 750°C.

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Github

Keywords

Steam oxidation, Steels, Energy sector, Shape, Ferritic, Austenitic, Oxidation

DOI

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Attribution 4.0 International
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We would like to acknowledge the support of The Energy Programme, which is a Research Councils UK cross council initiative led by EPSRC and contributed to by ESRC, NERC, BBSRC and STFC, and specifically the Supergen initiative (Grants GRyS86334y01 and EPyF029748) and the following companies; Alstom Power Ltd., Doosan Babcock, E.ON, National Physical Laboratory, Praxair Surface Technologies Ltd, QinetiQ, Rolls-Royce plc, RWE npower, Siemens Industrial Turbomachinery Ltd. and Tata Steel, for their valuable contributions to the project.