オーステナイトステンレス鋼の高温燃焼雰囲気中における酸化挙動(高温の酸化と腐食)(<特集>耐熱鋼・耐熱合金)

概要

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The high temperature oxidation of 16∿25%Cr austenitic stainless steels including SUS 304 was studied at 1200∿1300℃ in 16% H_2O-12%CO_2-0∿9% O_2-N_2 gases which were the main constituent of reheating furnace atmospheres. Oxidation of intermediate Cr steels including SUS 304, was much greater in O_2 poor atmosphere than in O_2 rich one. This was explained by the effect of H_2O, CO_2 and O_2 on retardation and acceleration of internal oxidation. For lower Cr steels accompanying with heavy internal oxidation in either O_2 rich or poor atmosphere, and high Cr steels being prevented internal oxidation in either atmosphere, the difference of oxidation rate with O_2 contents in atmosphere was insignificant. In both cases, oxidation was rather slightly larger in O_2 rich atmosphere than in O_2 poor one.
社団法人日本鉄鋼協会の論文
1979-06-01