書誌事項
- タイトル別名
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- Carbides in Molybdenum Steels
- モリブデン コウ チュウ ノ タンカブツ ニ ツイテ
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Carbides isolated electrolytically from molybdenum steels were studied by X-ray, chemical and thermo-magnetic analyses, and by electron-microscopic observations, with the objects to elucidate the nature of carbides in the steels, and to determine the carbide-phase diagram of molybdenum steel below the eutectoid temperature. In the case of thermal treatment at 700°C for 24 hrs, the carbides formed by tempering are quite different from those formed by isothermal transformation. But, after a prolonged treatment at 700°C, carbides in both the structures tend to approximate each other gradually, and five kinds of carbides, M3C, M23C6, ξ, M2C and M6C appear, as the atomic ratio Mo: C in the steel increases. Among these carbides, M3C and M23C6 are ferromagnetic, of which the Curie points are 215∼181°C and 312∼183°C, respectively. The composition ranges of carbides in molybdenum steels at 700°C are as follows. M3C: 6.67%C, 0∼2.5%Mo; M23C6: 5.0∼6.0%C, 5.5∼13.5%Mo; ξ: 5.5∼6.0%C, 30∼37%Mo; M2C: about 6%C, 70%Mo; M6C: 2.5∼2.8%C, 45∼62%Mo.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 24 (6), 395-399, 1960
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001206481203200
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- NII論文ID
- 40018257705
- 130007332600
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 9153145
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- データソース種別
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- JaLC
- NDL
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