書誌事項
- タイトル別名
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- Effects of Microstructural Factors on the Tensile Properties of Hypo-Eutectoid Graphitic Steels
- アキョウセキ コクエン コウ ノ ヒッパリ トクセイ ニ オヨボス ソシキガク
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Yield stress, tensile strength and ductility of hypo-eutectoid graphitic steels were studied in connection with microstructural factors such as ferritic grain size dF, volume fraction of graphite f, mean graphite nodule diameter dG, and mean ferrite path between graphite nodules λ.<BR>The graphitic steel containing graphite nodules in ferrite grain boundaries exhibited a yield point clearly, and the yield stress was found to depend on both factors dF−1⁄2 and λ−0.223, while the steel containing a number of graphite nodules in ferrite grains showed no yield point, and the 0.2% proof stress was nearly constant regardless of f, dF, dG or λ.<BR>The tensile strength of the graphitic steel increased proportionally to dF−1⁄2, but decreased slightly with increasing dG.<BR>Ductile fracture strain was given as a function of lndG and lnλ, or ln[(1−f)⁄f] by using a multiple regression analysis. Thus it was concluded that the ductility of the graphitic steel depends strongly on dG and λ as well as on the volume fraction of graphite.
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 48 (1), 15-20, 1984
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
- 1390001206485252864
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- NII論文ID
- 130007338682
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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
- 2974068
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- データソース種別
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- JaLC
- NDL
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