書誌事項
- タイトル別名
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- Development of method for measuring mechanical properties of semi-liquid Al-Mg alloy by high frequency induction heating
- 高周波誘導加熱を用いたAl-Mg系合金の半溶融状態の力学特性取得法の開発
- コウシュウハ ユウドウ カネツ オ モチイタ Al Mgケイ ゴウキン ノ ハンヨウユウ ジョウタイ ノ リキガク トクセイ シュトクホウ ノ カイハツ
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抄録
Solidification cracking is one of the defects of casting. In order to increase productivity of DC casting and various shape casting processes, predicting the occurrence of solidification cracking by using CAE (Computer Aided Engineering) should be essential. Therefore, it is necessary to obtain mechanical properties of solid-liquid coexistence alloys. However, in the previous reports, flat distribution of temperature in the gage length was not ensured. In this study, tensile test device for a semi-liquid Al–Mg alloy with 2°C of the temperature distribution in the gage length (Max. 10 mm) was developed. Tensile strain was measured by using in-situ observation of marker on the surface of the specimen. As the result, stress-strain curves and fracture strain in various temperatures on the semi-liquid Al–4.3mass%Mg alloy were measured. It is also found that tensile strain tends to be higher at neighborhood of the crack. Thus, strain depends on the gage length. From the observation of the fracture surface and estimation of Scheil-Gulliver micro-segregation, microstructure of the specimen were supposed to change due to the heating process.
収録刊行物
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- 軽金属
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軽金属 61 (5), 181-186, 2011
一般社団法人 軽金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001206340245760
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- NII論文ID
- 130004774983
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- NII書誌ID
- AN00069773
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- COI
- 1:CAS:528:DC%2BC3MXotFahtbk%3D
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- ISSN
- 18808018
- 04515994
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- NDL書誌ID
- 11077265
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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