Accession Number : ADD013092

Title :   Method for the Fabrication of Hexagonal BN Toughened Matrix Composites.

Descriptive Note : Patent, Filed 21 Sep 83, patented 3 Sep 85,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Coblenz,William S

Report Date : 03 Sep 1985

Pagination or Media Count : 5

Abstract : BN toughened bodies having isotropic properties are produced by reacting B2O3, H3BO3 or a mixture thereof with a metal nitride or a mixture of metal nitrides. The process described may be carried out using metal tooling.

Descriptors :   *FABRICATION, *BORON NITRIDES, *CERAMIC MATERIALS, *METAL MATRIX COMPOSITES, THERMAL RESISTANCE, SHOCK RESISTANCE, ABLATION, DISPERSING, DIELECTRIC PROPERTIES, CERAMIC FIBERS

Subject Categories : Refractory Fibers
      Ceramics, Refractories and Glass
      Laminates and Composite Materials

Distribution Statement : APPROVED FOR PUBLIC RELEASE