Paper Title:
Powder Diffraction of Components Subject to Corrosion in Fuse Cutouts with Ceramic Insulation
  Abstract

Aiming identification of the components most affected by corrosion under saline environment conditions, we have carried out X-ray diffraction measurements in ceramic and bond materials, all in the powder form. The ceramic is analyzed before and after thermal annealing at 1000°C, showing the same DRX peaks, although better defined after annealing. Identification suggests the presence of Al6Si2O13 (Mullite) and SiO2 (Quartz). Analysis of the junction (bond) material shows similar peaks, but a metallic preponderance is observed. Thermal annealing of the junction is done at much lower temperature, because it melts in the range 135°C-170°C, when a whitish smoke begins to show up along with strong sulfur odor.

  Info
Periodical
Materials Science Forum (Volumes 591-593)
Edited by
Lucio Salgado and Francisco Ambrozio Filho
Pages
548-553
DOI
10.4028/www.scientific.net/MSF.591-593.548
Citation
A. V. Carvalho, L. V.A. Scalvi, J. L.B. Maciel, "Powder Diffraction of Components Subject to Corrosion in Fuse Cutouts with Ceramic Insulation", Materials Science Forum, Vols. 591-593, pp. 548-553, 2008
Online since
August 2008
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