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  • Summary & Details

Nitriding Behavior of Stainless Steel in Ammonia Combustion Atmosphere

アンモニア燃焼雰囲気におけるステンレス鋼の窒化挙動

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Category(J)論文

Translation

Category(E)Paper
Author(J)1) 藤村 佳幸, 2) 林 篤剛, 3) 平川 直樹, 4) 濱田 純一
Author(E)1) Yoshitomo Fujimura, 2) Atsutaka Hayashi, 3) Naoki Hirakawa, 4) Jun-ichi Hamada
Affiliation(J)1) 日本製鉄(株), 2) 日本製鉄(株), 3) 日本製鉄(株), 4) 日本製鉄(株)
Abstract(J)アンモニア燃焼を想定し、NH3-H2O-N2雰囲気中で600℃、50時間におけるステンレス鋼の窒化挙動を調査した。オーステナイト系ステンレス鋼の表面に形成される窒化層は、フェライト系ステンレス鋼よりも薄い。また、フェライト系ステンレス鋼においても、低NH3雰囲気では窒化が抑制される傾向が見られた。

Translation

Abstract(E)Assuming ammonia combustion, the nitriding behavior of stainless steels at 873K for 50 hours in NH3-H2O-N2 atmospheres were investigated. The nitride layer formed on the surface of austenitic stainless steels is thinner than that of ferritic stainless steels. Even in ferritic stainless steel, nitriding tended to be restrained in a low NH3 atmosphere.

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