Prediction method of crack sensitivity during DC casting of Al-Mn and Al-Mg alloys

Makoto Morishita*, Mitsuhiro Abe, Kenji Tokuda, Makoto Yoshida

*この研究の対応する著者

研究成果査読

4 被引用数 (Scopus)

抄録

Because it has been difficult to predict crack sensitivity depending on alloy composition during aluminum direct chill casting (DC casting), a new prediction method based on the relationship between the calculated solid fraction and temperature was developed for Al-Mn and Al-Mg series aluminum alloys. In this work, two crack indexes are suggested. The first index is brittle temperature range (BTR). The second index is based on the strain rate difference in the mushy region. These indexes are quantitatively calculated by using thermodynamic software such as Thermo-calc. This method is verified by DC casting of A3000 and A5000 series aluminum alloys. It can be utilized in the alloy design stages to control the crack sensitivity before casting.

本文言語English
ページ(範囲)166-172
ページ数7
ジャーナルMaterials Transactions
52
2
DOI
出版ステータスPublished - 2011 2

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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