Grain-boundary structure and precipitation in sensitized austenitic stainless steel

Hiroyuki Kokawa, Masayuki Shimada, Yutaka S. Sato

研究成果: Article

100 被引用数 (Scopus)

抄録

Grain-boundary carbide precipitation and intergranular corrosion in sensitized austenite stainless steel were examined by transmission electron microscopy to clarify the effect of grain-boundary structure on precipitation and corrosion. The propensity to intergranular precipitation depends strongly on the grain-boundary structure. Carbide precipitates tend to be detected at grain boundaries with higher Σ values or larger deviation angles (ΔΘ) from low-Σ coincidence site lattice misorientations. The more ordered boundary requires a longer time for intergranular carbide precipitation and corrosion than less ordered or random boundaries.

本文言語English
ページ(範囲)34-37
ページ数4
ジャーナルJOM
52
7
DOI
出版ステータスPublished - 2000 7

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

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