Effects of trace elements and environmental impurities on oxidation and hot-corrosion characteristics of superalloys
Author: Saunders, S. R. J.
Source: Metals Technology, Volume 11, 1984 , pp. 465-473(9)
Publisher: Maney Publishing
Abstract:Gas-turbine blade materials are subject to attack by hot-salt corrosion processes. The mechanisms of both these reactions are briefly considered, with particular emphasis on the likely effects of impurities. It is shown that, while oxidation processes can be influenced by alloy-derived impurities, the hot-salt corrosion reaction is significantly affected only by impurities in the environment. Finally, the inhibition of oxidation and hot-salt corrosion by the deliberate addition of certain compounds to the environment is discussed.
Document Type: Research Article
Publication date: 1984-01-01
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