ZIRCONIA GRANULE, GREEN COMPACT, AND METHODS OF PRODUCTION THEREOF
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United States of America Patent
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Issued Date -
Feb 22, 2024
app pub date -
Dec 22, 2021
filing date -
Dec 22, 2020
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Abstract
The present invention provides a granule and green compact suited for obtaining a high-translucency and high-strength zirconia sintered body, and a high-density and uniform pre-sintered body. The invention also provides methods of production of such a granule and green compact. The present invention relates to a granule comprising zirconia, a stabilizing agent capable of preventing a phase transformation of zirconia, and a binder,
- the granule having a compression ratio R of 0.46 to 0.53 as calculated by the formula (1) below when tapped and filled into a columnar die in compliance with JIS R 1628:1997, and compressed by uniaxial pressing at a rate of 1 mm/s to 33 MPa,
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