Effect of sr on the modification of Al-Si alloys

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

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.

Original languageEnglish
Title of host publicationFirst International Conference on Processing Materials for Properties
PublisherPubl by Minerals, Metals & Materials Soc (TMS)
Pages333-336
Number of pages4
ISBN (Print)0873392566
Publication statusPublished - 1993 Dec 1
EventProceedings of the 1st International Conference on Processing Materials for Properties - Honolulu, HI, USA
Duration: 1993 Nov 71993 Nov 10

Publication series

NameFirst 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

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ASJC Scopus subject areas

  • Engineering(all)

Cite this

Kikuchi, T., Song, K., Yoshida, M., & Nakae, H. (1993). Effect of sr on the modification of Al-Si alloys. In First International Conference on Processing Materials for Properties (pp. 333-336). (First International Conference on Processing Materials for Properties). Publ by Minerals, Metals & Materials Soc (TMS).