書誌事項
- タイトル別名
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- Interrelationship between Grain Size and Hardness Distributions during Grain Growth in Iron
- テツ ノ リュウ セイチョウ カテイ ニ オケル ケッショウ リュウド ブンプ
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The interrelationship between grain size and hardness distributions during grain growth has been investigated for a pure iron. It was shown that the geometric mean grain diameter Dg increased during grain growth, while the standard deviation for lnD, lnσg decreased, where the grain diameter D was defined as the equivalent volume diameter. The (arithmetic) mean Vickers hardness \barHV decreased during recrystallization and growth, showing a common sigmoidal curve in the plots of \barHV versus annealing time, and the variation coefficient of hardness σH<SUB>V</SUB>⁄\barHV expressing the spread of the distribution also tended to decrease. The mean hardness \barHV had a better correlation with Dg−1⁄2 than with \barl−1⁄2, where \barl was the arithmetic mean length of linear intercept. Therefore, it is concluded that Dg, which is one of the mean grain sizes in three dimensions, is a more significant value of the mean grain size than \barl. It was also pointed out that the value of σH<SUB>V</SUB>⁄\barHV has a trend to increase with the increment of lnσg.
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 53 (6), 579-584, 1989
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
- 1390282681460076800
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- NII論文ID
- 130007335359
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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
- 3235618
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- データソース種別
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- JaLC
- NDL
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