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Ceramic testing method

  • US 4,559,824 A
  • Filed: 05/24/1984
  • Issued: 12/24/1985
  • Est. Priority Date: 06/17/1983
  • Status: Expired due to Term
First Claim
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1. A ceramic testing method comprising the steps of heating a ceramic specimen containing tetragonal zirconia in water or a water vapor atmosphere containing not less than 2.5 g/l of water at a temperature in a range of 150°

  • -1,250°

    C., for a time sufficient to result in deterioration of any non-stabilized zirconia that is present in said ceramic specimen, and measuring the degree of deterioration of the ceramic specimen to evaluate long term durability and reliability of the ceramic specimen.

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