Growth Process of Oxide Films Formed on Type 316L Stainless Steel with Work-Hardened Surface Layers under Creviced Bent Beam Test Conditions in High-Temperature Water

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概要

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• A creviced bent beam (CBB) test was performed on Type 316L stainless steels with work-hardened surface layers in high-temperature water at 561 K. Growth process of the oxide films on the surface was investigated by cross-sectional transmission electron microscope observation. The oxide films were found to consist of an inner Cr-rich layer and an outer layer of Fe<SUB>3</SUB>O<SUB>4</SUB> particles. The crystal structure of the inner layer changed from a face center cubic to a spinel-type with an increase in CBB test duration. The inner layers showed a cube-on-cube orientation relationship with adjacent austenite grains of the substrates.

著者

• KAKO Kenji

  Materials Science Research Laboratory, Central Research Institute of Electric Power Industry

• Kako Kenji

  Materials Science Research Laboratory Central Research Institute Of Electric Power Industry

• TOMOZAWA Masanari

  Materials Science Research Laboratory, Central Research Institute of Electric Power Industry

• MIURA Yasufumi

  Materials Science Research Laboratory, Central Research Institute of Electric Power Industry

関連論文

• Incubation Time of Stress Corrosion Cracking for Type 316L and Type 316 Stainless Steels by CBB Method in High Temperature Water
• Growth Process of Oxide Films Formed on Type 316L Stainless Steel with Work-Hardened Surface Layers under Creviced Bent Beam Test Conditions in High-Temperature Water

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