書誌事項
- タイトル別名
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- Effects of DAS and Defect on Impact Tensile Properties of AC4CH Aluminum Casting Alloy
- AC4CH アルミニウム ゴウキン イモノ ノ ショウゲキ ヒッパリ トクセイ ニ オヨボス DAS ト ケッカン ノ エイキョウ
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抄録
Although the dendrite arm spacing (DAS) seems to be a key parameter for mechanical properties of AC4CH aluminum casting alloy, it has not sufficiently been clarified. Especially, the relationship between impact tensile characteristics and DAS and the casting defect related to DAS has not been understood qualitatively. In this study, the influence of DAS on impact tensile properties of AC4CH aluminum casting alloy is investigated by means of a direct tension version of the split Hopkinson bar equipment. The effect of DAS on tensile properties is examined using the specimen which removed the defects by HIP treatment, and the effect of the defects is examined using the specimen with the defect without HIP treatment. As results, it can be confirmed that the tensile strength at high strain rates is linearly decreased with the increase in DAS. It is also found that the tensile strength and the elongation at high strain rates are drastically lowers in over 3% of defect area ratio.
収録刊行物
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- 日本機械学会論文集A編
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日本機械学会論文集A編 70 (690), 258-265, 2004
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001204478045952
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- NII論文ID
- 110004998660
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- NII書誌ID
- AN0018742X
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- COI
- 1:CAS:528:DC%2BD2cXjslCrt7g%3D
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- ISSN
- 18848338
- 03875008
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- NDL書誌ID
- 6866989
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可