Effect of sr on the modification of Al-Si alloys

T. Kikuchi*, K. Song, M. Yoshida, H. Nakae

*この研究の対応する著者

研究成果: Conference contribution

抄録

A new technique for the measurement of the solid Si/liquid Al-Si eutectic interfacial free energy Υgb and ΥSi-L. Pure Al or al with added Sr and pure Si including a straight grain boundary were used for producing a bimetallic sample. A decrease in the sample temperature was observed because of the latent heat of Al while the sample was held at 1023K. At this time, the sample temperature started to cool from 1023K to 863K with a period shorter than 60s, and then it was held for 5h at 863K, only a little above the eutectic temperature. The equilibrium grain boundary groove was formed at the solid/liquid interface. The dihedral angle for Al-Si-Sr alloy is lower than that for Al-Si alloy. This fact indicates that ΥSi-L. is decreased by the addition of Sr.

本文言語English
ホスト出版物のタイトルFirst International Conference on Processing Materials for Properties
出版社Publ by Minerals, Metals & Materials Soc (TMS)
ページ333-336
ページ数4
ISBN(印刷版)0873392566
出版ステータスPublished - 1993 12 1
イベントProceedings of the 1st International Conference on Processing Materials for Properties - Honolulu, HI, USA
継続期間: 1993 11 71993 11 10

出版物シリーズ

名前First International Conference on Processing Materials for Properties

Other

OtherProceedings of the 1st International Conference on Processing Materials for Properties
CityHonolulu, HI, USA
Period93/11/793/11/10

ASJC Scopus subject areas

  • 工学(全般)

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