Grain-boundary structure and precipitation in sensitized austenitic stainless steel

Hiroyuki Kokawa; Masayuki Shimada; Yutaka S. Sato

doi:10.1007/s11837-000-0159-0

Grain-boundary structure and precipitation in sensitized austenitic stainless steel

Hiroyuki Kokawa, Masayuki Shimada, Yutaka S. Sato

ENG - Materials Processing

Aoba-yama 02

Research output: Contribution to journal › Article › peer-review

114 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	34-37
Number of pages	4
Journal	JOM
Volume	52
Issue number	7
DOIs	https://doi.org/10.1007/s11837-000-0159-0
Publication status	Published - 2000 Jul

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title = "Grain-boundary structure and precipitation in sensitized austenitic stainless steel",

abstract = "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.",

author = "Hiroyuki Kokawa and Masayuki Shimada and Sato, {Yutaka S.}",

note = "Funding Information: This work was supported by the Grant-in-Aid for COE Research (No. 11CE2003); the Ministry of Education, Science, Sports and Culture; and the Japan Atomic Energy Research Institute Nuclear Research Promotion Program. The authors thank T. Wata-nabe for his useful advice, and A. Honda for his technical assistance. Financial support from Kawasaki Steel 21st Century Foundation is gratefully acknowledged.",

year = "2000",

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T1 - Grain-boundary structure and precipitation in sensitized austenitic stainless steel

AU - Kokawa, Hiroyuki

AU - Shimada, Masayuki

AU - Sato, Yutaka S.

N1 - Funding Information: This work was supported by the Grant-in-Aid for COE Research (No. 11CE2003); the Ministry of Education, Science, Sports and Culture; and the Japan Atomic Energy Research Institute Nuclear Research Promotion Program. The authors thank T. Wata-nabe for his useful advice, and A. Honda for his technical assistance. Financial support from Kawasaki Steel 21st Century Foundation is gratefully acknowledged.

PY - 2000/7

Y1 - 2000/7

N2 - 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.

AB - 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.

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Grain-boundary structure and precipitation in sensitized austenitic stainless steel

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