Paper Title:
Preparation of Tungsten-Epoxy Composites and FGMs with Density Gradient
  Abstract

FGMs with density gradient are of great interest in field of dynamic high-pressure physics. In this paper, tungsten particles reinforced epoxy resin composites, and FGMs with density gradient were prepared by calendering technique. Microstructures of tungsten-epoxy composites with various tungsten contents were analyzed, and the density distribution of the FGMs was characterized. The results show that the distribution of tungsten particles in tungsten-epoxy composites is homogeneous, and the combination of tungsten particles with epoxy matrix is good. The density of tungsten-epoxy composites varies from 1.26gcm-3 to 4.0gcm-3, and the thickness of each layer is about 200μm. Tungsten-epoxy FGMs with density gradient were obtained by laminating thin layers of tungsten-epoxy composites with different tungsten contents. The highly enough bonding strength between these transition layers and good parallelism were achieved. The density distribution of the tungsten-epoxy FGMs can meet the demand of the power function equation of density and thickness.

  Info
Periodical
Materials Science Forum (Volumes 631-632)
Edited by
Akira Kawasaki, Akinaga Kumakawa and Masayuki Niino
Pages
461-464
DOI
10.4028/www.scientific.net/MSF.631-632.461
Citation
L. M. Zhang, M. Gao, G. Q. Luo, Z. Chen, Q. Shen, "Preparation of Tungsten-Epoxy Composites and FGMs with Density Gradient", Materials Science Forum, Vols. 631-632, pp. 461-464, 2010
Online since
October 2009
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$32.00
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