Premium
Some aspects of the performance of rare earth modified nickel‐base alloys in hot corrosion conditions
Author(s) -
Elliot P.,
Ross T. K.
Publication year - 1971
Publication title -
materials and corrosion
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.487
H-Index - 55
eISSN - 1521-4176
pISSN - 0947-5117
DOI - 10.1002/maco.19710220611
Subject(s) - corrosion , metallurgy , nickel , materials science , superalloy , sulfur , cobalt , oxide , sodium sulfate , base (topology) , sulfate , combustion , sodium , chemistry , alloy , mathematical analysis , mathematics , organic chemistry
Rare earth additions have shown improvements to corrosion behaviour of nickel and cobalt base superalloys in simulated fuel combustion corrosion situations. “Hot corrosion”tests, at various levels of severity, have been conducted on nickel‐base alloys in the range of 870 to 1200°C with sulfur supplied from molten sodium sulfate or from low concentrations of sulfur dioxide in argon (0.2% SO 2 ). The results show, that rare earth as oxide is essential for corrosion resistance in sulfurous environments.