Research/Patents/US 5759380
US 5759380Tier 3 — General Defense

METHOD OF PREPARING OXIDATION RESISTANT COATINGS

Assignee

General Electric

Filed as: GENERAL ELECTRIC COMPANY, A NY CORP.

Filed

Apr 4, 1989

Granted

Jun 2, 1998

Location

SCHENECTADY NY US

Abstract

A method of forming a protective coating of a CrRuAl alloy is provided. The substrate to be coated is first plated with a combination of chromium and ruthenium. Next, the coated substrate is aluminized with fine aluminum powder in an aluminum oxide pack at about 1150° C. The coating formed is resistant to atmospheric attack and protects the substrate.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Nov 17, 1989

Rescinded

Nov 15, 1996

Duration

7 years

Inventor

  • 1MELVIN R. JACKSON
Back to patent indexSource: USPTO 35 USC §181 secrecy order records