Mass loss of Cr2O3 during exposure to steam at 923 K and its suppression by sulfur doping

Yoshinori Murata, Masahiko Morinaga, Nobuaki Inagaki, Masaaki Nakai

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Mass loss occurs in Cr2O3 when it is exposed to steam at 923 K for 0.5 Ms or 1.3 Ms. The presence of S at an impurity level of 23 ppm in the oxide suppresses the mass loss by about a half. For example, for the 0.5 Ms exposure, the mass loss is about 0.055% in pure Cr2O3 but about 0.030% in S-doped Cr2O3. This result is related closely to our previous result that the existence of 50 ppm S in high Cr ferritic steels causes a tremendous improvement in the steam oxidation resistance at 923 K.

本文言語English
ページ(範囲)1258-1259
ページ数2
ジャーナルMaterials Transactions
43
5
DOI
出版ステータスPublished - 2002 5月

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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