燒入鋼に於ける殘留オーステナイトの X 線的定量法に就いて (II)
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概要
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1. The method of quantitative determination of residual austenite in quenched steel described in the 1st report was improved in the accuracy of the intensity measurement of diffraction by referring to non-directional gold foil. 2. Applying this method to manganese steels containing about 1.1% carbon quenched from 1050℃ into water and tempered at various temperatures, the change of amount of residual austenite due to tempering was measured for six differnt specimens and the relation between the manganese content in the specimens and the austenite content was determined. 3. These results agreed well with those obtained by the measurement of thermal expansion of quenched specimen ; they are also confirmed by the results of a microscopic investigation by Proffessor Murakami and Dr. Hatta.
- 社団法人日本鉄鋼協会の論文
- 1943-07-25