Effect of Dislocation Density in an Unrecrystallized Part of Austenite on Growth Rate of Recrystallizing Grain
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概要
- 論文の詳細を見る
The growth rate of recrystallizing austenite grains of Si-Mn steels and Nb added steels after hot deformation was investigated by measurement of the fraction of recrystallized austenite and recrystallized austenite grain size. The fraction of recrystallized austenite (<I>X</I><SUB>cr</SUB>) at which the mechanism of recrystallization changed rrom nucleation and growth (NG) to site saturation (SS) was formulated as a function of Nb concentration and deformation conditions. According to the increase in deformation temperature and strain, <I>X</I><SUB>cr</SUB> increases while the increase in Nb in solution decreases <I>X</I><SUB>cr</SUB>. The growth rate of recrystallizing austenite was also formulated as a function of strain energy (<I>F</I><SUB>v</SUB>) and Nb concentration. The growth rate decreases rapidly after deformation due to the decrease in <I>F</I><SUB>v</SUB>. The growth rate also decreases Nb addition.
- 社団法人 日本鉄鋼協会の論文
- 1996-04-15
著者
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藤岡 政昭
新日本製鐵(株)鉄鋼研究所
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藤岡 政昭
新日鐵 鉄鋼研究所
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藤岡 政昭
北大理
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Morikawa Hirofumi
Ns Techno-research Co.
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MABUCHI Hidesato
Steel Research Laboratories, Nippon Steel Corporation
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Okamoto Kentaro
Steel Research Laboratories Nippon Steel Corporation
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FUJIOKA Masaaki
Steel Research Laboratory, Nippon Steel Corp.
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YOSHIE Atsuhiko
Kimitsu R & D Laboratory, Nippon Steel Corporation
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FUJITA Takashi
Steel Research Laboratories, Nippon Steel Corporation
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OKAMOTO Kentaro
Nippon Steel Metal Products, Co.
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Yoshie A
Kimitsu R & D Laboratories Technical Development Bureau Nippon Steel Corporation
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Fujita Takashi
Steel Research Laboratories Nippon Steel Corporation
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Mabuchi H
Steel Research Laboratories Nippon Steel Corporation
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Mabuchi Hidesato
Steel Research Laboratories Nippon Steel Corporation
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OKAMOTO Kentaro
Nippon Steel Metal Products Co.
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