Paper Title:
The Influence of Si Content on the Microstructure of Rapidly Solidified AlMnSi Foil
  Abstract

The AlMn and AlMnSi foils were fabricated by rapid solidification technology. The microstructures of the foils with various Si content were studied by transmission electron microscope (TEM). The phases of the foils were indentified by X-ray diffractometer (XRD); the phase transformation temperatures of the foils measured by differential scanning calorimeter (DSC). The results showed that addition of Si in the AlMn foil can improve the heat stability (phase transformation temperature) from 543K to over 873K. The addition of Si can change the phase structure of the foils. The phases of AlMn foil conclude Al and Al6Mn while the phases of AlMnSi foils with 3% Si or 5% Si addition become Al and Al4.01MnSi0.74. The addition of Si can also change the microstructure morphology of the foils from the rod, block and petal-like to the homogeneous globular. With the increase in Si content, the grain sizes of the foils were refined.

  Info
Periodical
Advanced Materials Research (Volumes 295-297)
Chapter
Chapter 1: Materials Properties
Edited by
Pengcheng Wang, Liqun Ai, Yungang Li, Xiaoming Sang and Jinglong Bu
Pages
307-310
DOI
10.4028/www.scientific.net/AMR.295-297.307
Citation
Y. Li, C. X. Zhai, C. H. Xu, "The Influence of Si Content on the Microstructure of Rapidly Solidified AlMnSi Foil", Advanced Materials Research, Vols. 295-297, pp. 307-310, 2011
Online since
July 2011
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Price
$32.00
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