Research/Patents/US 5858460
US 5858460

METAL MATRICES REINFORCED WITH SILVER COATED BORON CARBIDE PARTICLES

Assignee

UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE NAVY

Filed

Jul 1, 1991

Granted

Jan 12, 1999

Location

Arlington VA (defense contractors)

Abstract

Silver metal-coated boron carbide (B4 C) particle reinforce aluminumthium alloy or magnesium-lithium matrix composites which are prepared by coating the B4 C particles with molten AgNO3, decomposing the molten AgNO3 to form a coating of silver metal on the B4 C particles, mixing the silver coated B4 C particles into a molten aluminum-lithium alloy or magnesium-lithium alloy matrix, allowing the mixture to cool and solidify the solid composite.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Feb 25, 1992

Rescinded

Sep 15, 1997

Duration

5 years, 6 months

Inventor

  • 1WILLIAM A. FERRANDO

Sensitive facility: Arlington VA (defense contractors)

Record Details

Patent number
US 5858460
Application
07724079
Aerospace match
No
Dataset source
35 USC §181 SO records
Back to patent indexSource: USPTO 35 USC §181 secrecy order records