Paper Title:
Electrical Porcelain Containing Ornamental Rock Waste: Microstructural Development
  Abstract

Aluminous electrical porcelains are used in the production of materials of high voltage insulators. The microstructure plays an important role in the performance of electrical porcelain. On the other hand, the porcelain materials undergo a series of physical and chemical transformations during firing. This makes the understanding of their microstructures rather complex. In this work was studied the microstructural development of electrical porcelain containing up to 35 wt.% of ornamental rock waste. The pieces ceramics were pressed at 50 MPa and sintered at 1300 °C. The porcelain pieces were characterized via X-ray diffraction and scanning electron microscopy. The results indicate that the presence of the ornamental rock waste influenced the microstructural development of the pieces of electrical aluminous porcelain.

  Info
Periodical
Materials Science Forum (Volumes 660-661)
Edited by
Lucio Salgado and Francisco Ambrozio Filho
Pages
692-696
DOI
10.4028/www.scientific.net/MSF.660-661.692
Citation
M.A. Silva, J.N.F. Holanda, "Electrical Porcelain Containing Ornamental Rock Waste: Microstructural Development", Materials Science Forum, Vols. 660-661, pp. 692-696, 2010
Online since
October 2010
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Price
$32.00
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