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Browsing Staff publications (SATM) by Author "Sumner, Joy"

Now showing items 1-5 of 5

Analysis of combined static load and low temperature hot corrosion induced cracking in CMSX-4 at 550°C

Brooking, Laurie; Gray, Simon; Dawson, K.; Nicholls, John R.; Simms, Nigel J.; Sumner, Joy; Tatlock, G. J. (Elsevier, 2019-10-18)

A CMSX-4 3-point bend specimen was statically loaded under hot corrosion conditions and SEM, (S)TEM and EDX techniques were used to analyse the cracking generated. Sulphur, chlorine, sodium and oxygen were found at the ...
Mechanical stress effects on 550°C hot corrosion propagation rates in precipitation hardened Ni-base superalloys: CMSX-4, CM247LC DS and IN6203DS

Chapman, Neil; Gray, Simon; Sumner, Joy; Nicholls, John R. (Springer, 2021-12-10)

Combinations of temperature, stress and hot corrosion may cause environmentally-assisted cracking in precipitation-hardened Ni-base superalloys, which is little understood. This research aims to increase current understanding ...
Simulating novel gas turbine conditions for materials assessment: cascade design and operation

Sumner, Joy; Simms, Nigel J.; Stamm, W.; Oakley, John (Taylor & Francis: STM, Behavioural Science and Public Health Titles, 2017-04-26)

Integrated gasification combined cycles can incorporate pre-combustion carbon capture. High-H2 syngas produces high H2O levels after combustion, potentially accelerating gas turbine component damage. Determining materials ...
Stress corrosion testing of CMSX-4, CM247LC DS and IN6203DS Ni-base superalloys

Chapman, Neil; Gray, Simon; Sumner, Joy; Nicholls, John R. (Springer, 2020-11-23)

The combination of stress and hot corrosion may result in Ni-base superalloys experiencing stress corrosion cracking, of which, the mechanisms are little understood. The aim of this research was to enhance the understanding ...
Surface roughness evolution to identify incubation time for hot corrosion of nickel-base superalloys: CMSX-4, CM247LC DS and IN6203DS at 550 °C

Chapman, Neil; Gray, Simon; Sumner, Joy; Nicholls, John R. (Springer, 2020-09-24)

In the absence of protective scales, nickel-base superalloys have an extremely limited hot corrosion incubation period before increased rates of attack are experienced. This paper reports on the nickel-base superalloys: ...

Browsing Staff publications (SATM) by Author "Sumner, Joy"

Browsing Staff publications (SATM) by Author "Sumner, Joy"

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