Process for strengthening aluminum based ceramics and material

Patent · Sat Jan 01 00:00:00 EST 2000

OSTI ID:873200

Moorhead, Arthur J ^[1]; Kim, Hyoun-Ee ^[2]

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1. Knoxville, TN
2. Seoul, KR

A process for strengthening aluminum based ceramics is provided. A gaseous atmosphere consisting essentially of silicon monoxide gas is formed by exposing a source of silicon to an atmosphere consisting essentially of hydrogen and a sufficient amount of water vapor. The aluminum based ceramic is exposed to the gaseous silicon monoxide atmosphere for a period of time and at a temperature sufficient to produce a continuous, stable silicon-containing film on the surface of the aluminum based ceramic that increases the strength of the ceramic.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• DOE Contract Number: AC05-96OR22464
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 6110855
• OSTI ID: 873200
• Country of Publication: United States
• Language: English

Related Subjects

process
strengthening
aluminum
based
ceramics
material
provided
gaseous
atmosphere
consisting
essentially
silicon
monoxide
gas
formed
exposing
source
hydrogen
sufficient
amount
water
vapor
ceramic
exposed
period
time
temperature
produce
continuous
stable
silicon-containing
film
surface
increases
strength
monoxide gas
based ceramics
silicon monoxide
sufficient amount
water vapor
consisting essentially
temperature sufficient
gaseous atmosphere
based ceramic
aluminum based
strengthening aluminum
oxide gas
/501/264/