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Scale Growth during Re‐heating Cycles
Author(s) -
Sachs K.,
Tuck C. W.
Publication year - 1970
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.19700211110
Subject(s) - isothermal process , carbon steel , combustion , scaling , carbon fibers , carbon dioxide , materials science , high temperature corrosion , oxygen , thermodynamics , metallurgy , corrosion , chemistry , composite material , mathematics , physics , geometry , organic chemistry , composite number
Pure iron, low carbon steel, medium carbon Mn‐steel and MnMo‐steel were studied in view of their high temperature corrosion behaviour in various gases. The gases used were: Oxygen, steam, carbon dioxide, air and five synthetic atmospheres, similar to those obtained by the combustion of sulphur‐free fuel oil and town gas. In order to obtain possible characteristic differences of behaviour isothermal experiments were made as well as experiments with temperature cyling. In the first case temperatures were 700 and 1200°C while in the second case temperatures were cycled between 500 and 1200°C. There are different degrees of agreement between the two experimental techniques, but in most cases it is possible to predict scaling behaviour for either type of experiment. It is possible to establish an “equivalent time” as a reference parameter for the comparison of temperature cycles from different furnaces.