Sulfide Oxide Corrosion of Modern Heat-Resistant Alloys


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Abstract

The influence of the corrosive environment on strength characteristics of heat-resistant alloys at high temperatures is discussed. The results of corrosion tests for two heat-resistant nickelbased alloys simulating the processes of alloy sulfide-oxide corrosion during operation are presented. Extrapolated values of specific mass changes for 5000 h at temperatures of 600–750 °C were determined using the mathematical models obtained for tests lasted up to 1000 h.

About the authors

L. B. Getsov

Polzunov Scientific and Development Association on the Research and Design of Power Equipment

Email: laptev@bk.ru
Russian Federation, Atamanskaya ul. 3/6, St. Petersburg, 191167

A. B. Laptev

All-Russian Scientific Research Institute of Aviation Materials

Author for correspondence.
Email: laptev@bk.ru
Russian Federation, ul. Radio 17, Moscow, 105005

A. I. Puzanov

AO Aviadvigatel’

Email: laptev@bk.ru
Russian Federation, pr. Komsomol’skii 93, Perm, 614990

N. M. Shelyapina

Polzunov Scientific and Development Association on the Research and Design of Power Equipment

Email: laptev@bk.ru
Russian Federation, Atamanskaya ul. 3/6, St. Petersburg, 191167

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