Paper Title:
Ultrasonic Effect on Refinement of Mg2Si and Mechanical Properties of In Situ Al-Mg-Si Composites
  Abstract

Coarse primary Mg2Si was usually found in Al-Mg-Si alloys. In this experiment, to refine the coarse primary Mg2Si size, ultrasound was used as a new process. Ultrasound was injected to the molten Al-Mg-Si melts directly and its effect was significant. Average size of primary Mg2Si was reduced from 70γŽ› to 15γŽ›, morphology was also changed to polygonal from irregular shape. Moreover tensile strength was improved by 30%, from 112 to 148 after ultrasonic injection.

  Info
Periodical
Advanced Materials Research (Volumes 79-82)
Edited by
Yansheng Yin and Xin Wang
Pages
549-552
DOI
10.4028/www.scientific.net/AMR.79-82.549
Citation
D. G. Ko, G. H. Yu, J. I. Youn, Y. J. Kim, "Ultrasonic Effect on Refinement of Mg2Si and Mechanical Properties of In Situ Al-Mg-Si Composites", Advanced Materials Research, Vols. 79-82, pp. 549-552, 2009
Online since
August 2009
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