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Structural and mechanical properties of nano and micro Al2O3-cBN composites prepared by spark plasma sintering

  • US 10,377,671 B2
  • Filed: 10/20/2017
  • Issued: 08/13/2019
  • Est. Priority Date: 10/20/2017
  • Status: Expired due to Fees
First Claim
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1. A method for making an alumina-cubic boron nitride (“

  • Al2O3-cBN”

    ) composite comprising spark plasma sintering cBN particles with nano-sized alumina particles;

    wherein an average particle size of the nano-sized alumina particles is no more than 50 nm.

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