Defects Repair for Ceramic Insulation Tiles
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TB332

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    Abstract:

    Ceramic insulation tiles with defects were repaired by introducing high-temperature ceramic powders, such as MgO, YSZ, Al2O3 and tile matrix powders. The microstructure, mechanical property and thermal insulation properties of tile before and after repair were systematically investigated. The results show that the powder containing tile matrix powders is the best method to repair the ceramic insulation tile. The part of the complement has good compatibility with the body, and the micro morphology is similar to remain porous network structure. After repairing, the density, thermal conductivity at room temperature and compressive strength of the samples are 0.24 g/cm3, 0.044 W/(m·K) and 0.58 MPa, respectively. After 1 200℃ and 30 min heat treatment, the complement and the tile body have good bonding,cracks,depressions and other defects free.

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History
  • Received:January 13,2017
  • Revised:February 13,2017
  • Adopted:
  • Online: June 06,2017
  • Published: