Patent ID: 9272950
Filing Date: 2016-03-01
CPC Classification: C04B,F16D

Claim Text:
1. A method comprising: mixing a pitch with at least one of a sol-gel comprising a metal oxide, a metal alkoxide, a metal-organic solution, or a metal salt to form a blended densifying agent; infiltrating the blended densifying agent into at least some of a plurality of pores of a porous preform to form an infiltrated preform; pyrolyzing the blended densifying agent to convert at least some of the pitch of the blended densifying agent to carbon to form a partially densified preform; and heat treating the partially densified preform to react at least some of the carbon with at least some of the at least one of the sol-gel comprising the metal oxide, a metal oxide derived from the metal alkoxide, a metal oxide derived from the metal-organic solution, or a metal oxide derived from the metal salt to form a plurality of ceramic particles.