Microstructure Development by Thermomechanical Processing in Duplex Stainless Steel

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概要

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• In the case of two-phase alloys, a refinement of matrix phase and a uniform distribution of second phase are important to improve mechanical properties. In this paper, microstructure change of α (ferrite) + γ (austenite) two-phase structure, especially microduplex structure consisting of α and γ in a fine-grained form (1–3μm), in the duplex stainless steel by various thermomechanical processings and heat treatments is briefly reviewed. Main topics are as follows, 1) formation process of fine-grained α + γ structure (microdu-plex structure) by various thermomechanical processings, 2) nature of microduplex structure and its stability during prolonged aging, 3) microstructure change of microduplex structure by annealing after heavy cold rolling and 4) microstructure change of microduplex structure during superplastic deformation.

• 社団法人 日本鉄鋼協会の論文
• 2001-06-15

著者

• Furuhara T

  Department Of Materials Science And Engineering Kyoto University

• MAKI T

  Department of Materials Science and Engineering, Kyoto University

• TSUZAKI K

  Frontier Research Center for Structural Materials, National Research Institute for Materials Science

• Tsuzaki K

  Frontier Research Center For Structural Materials National Research Institute For Materials Science

関連論文

• Microstructure Development by Thermomechanical Processing in Duplex Stainless Steel

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