書誌事項
- タイトル別名
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- Improvement in Ductility of High Purity Chromium at Room Temperature by Combining Thermomechanical and Pre-strain Treatments
- コウジュンド クロム ノ カコウ ネツ ショリ ト ヨヒズミ フヨ ニ ヨル ジョウオン エンセイ ノ カイゼン
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Experiments were performed with high purity chromium to make a search for some method for improving the ductility at room temperature. The ductile-to-brittle transition temperature (DBTT) was about 555 K for as-sintered specimens. However, it was lowered by about 200 K using proper thermomechanical treatment. For example, the rolling at 973 K to reduce the specimen thickness by 15% per pass, and the subsequent annealing at 1273-1373 K were repeated until the total reduction of specimen thickness reached 85%, followed by the final annealing at 1473 K. When such thermomechanically treated specimens were then pre-strained by 2-5%, polycrystalline chromium exhibited a fracture elongation exceeding 20% even at room temperature.
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 66 (1), 22-27, 2002
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
- 1390001206490981504
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- NII論文ID
- 10009395327
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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
- 6050947
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- データソース種別
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- JaLC
- NDL
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