Research/Patents/US 5270112
US 5270112

HYBRID REINFORCEMENTS FOR HIGH TEMPERATURE COMPOSITES AND COMPOSITES MADE THEREFROM

Assignee

STANDARD OIL COMPANY, THE

Filed

Dec 20, 1989

Granted

Dec 14, 1993

Location

SAGAMORE HILLS OH US

Abstract

The subject invention relates to a hybrid reinforcement material comprising a refractory metal core having a first coating comprising aluminum, oxygen and nitrogen, this coating of the general formula: Al.sub.x O.sub.y N.sub.z wherein x is up to about 670 atomic % of the coating y is from about 20 atomic % to about 55 atomic % ofthe coating; and z is from about 5 atomic % to about 45 atomic % of the coating, with the proviso that x+y+z=100, and having a second SiC coating. The subject invention further relates to a high strength, high temperature performance composite containing the hybrid reinforcement specified above.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

May 14, 1990

Rescinded

Jul 29, 1992

Duration

2 years, 2 months

Inventor

  • 1D. LUKCO

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records