殘留オーステナイトに關する二三の實驗
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概要
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The author investigated the relation between the cooling velocity and the amount of the retained austenite in the Ni : Cr : Mo steel, and also the effect of the retained austenite on the impact value. The results of the investigation are outlined bellow : - The content of the retained austenite with quenching increases as the cooling velocity inaeases up to about 300℃/sec., and it decreases when the velocity exceeds this limit. When the tempering temperature is lower than 150℃, the specimen quenched in oil so as to retain the austenite shows a higher impact value than that which contains no austenite. In the case of the tempering at 200℃, however, the former shows a lower impact value than the latter.
- 社団法人日本鉄鋼協会の論文
- 1938-09-25