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Examination of HA230 turbine transition duct

By J. Veverková, Helen V. Atkinson, A. Strang and G.R. Marchant

Abstract

Full text of this item is not currently available on the LRA. \ud The final published version is available at http://maney.co.uk/index.php/journals/mst/, Doi: 10.1179/026708309X12578491814519.The present paper reports the results of an examination of a service run transition duct from one of Siemens' industrial gas turbines and the correlation between the findings for this, and those from the studies undertaken on laboratory exposed Haynes alloy 230 material. The studies have shown that there are changes in the microstructure and hardness of the material that can be related to temperature and time of exposure, and the information gained can lead to estimations of the average component operating temperature. Metallographic studies revealed a high level of heterogeneity of the grains in this transition duct

Topics: Hardness, Combustion Component, Ni Based Alloy, Fegsem, Metallography, HA230
Publisher: Maney Publishing
Year: 2010
DOI identifier: 10.1179/026708309X12578491814519
OAI identifier: oai:lra.le.ac.uk:2381/8822
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