Silicon-doped boron nitride coated fibers in silicon melt infiltrated composites

Patent · 31 December 1998

OSTI ID:872514

Corman, Gregory Scot ^[1]; Luthra, Krishan Lal ^[2]

---

1. Ballston Lake, NY
2. Schenectady, NY

A fiber-reinforced silicon--silicon carbide matrix composite having improved oxidation resistance at high temperatures in dry or water-containing environments is produced. The invention also provides a method for protecting the reinforcing fibers in the silicon--silicon carbide matrix composites by coating the fibers with a silicon-doped boron nitride coating.

• Research Organization: General Electric Co
• DOE Contract Number: FC02-92CE41000
• Assignee: General Electric Company (Schenectady, NY)
• Patent Number(s): US 5952100
• OSTI ID: 872514
• Country of Publication: United States
• Language: English

Related Subjects

-silicon carbide
/428/
boron
boron nitride
carbide
carbide matrix
coated
coated fiber
coated fibers
coating
composite
composites
dry
environments
fiber-reinforced
fibers
improved
infiltrated
matrix
matrix composite
matrix composites
melt
method
nitride
nitride coated
nitride coating
oxidation
oxidation resistance
produced
protecting
provides
reinforcing
reinforcing fibers
resistance
silicon
silicon carbide
silicon melt
silicon--silicon
silicon-doped
temperatures
water-containing