Research/Patents/US 5262245
US 5262245

ADVANCED THERMAL BARRIER COATED SUPERALLOY COMPONENTS

Assignee

UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE

Filed

Aug 12, 1988

Granted

Nov 16, 1993

Location

MARLBOROUGH CT US

Abstract

An improved thermal barrier coating system is described. A key feature of the invention is the presence of a thin, adherent aluminum oxide scale on the surface of the substrate. An oxide stabilized ceramic coating is present on the surface of the scale. Preferably, the ceramic coating has a columnar grain structure.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Mar 6, 1989

Rescinded

Mar 10, 1993

Duration

4 years

Inventor

  • 1NICHOLAS E. ULION
Back to patent indexSource: USPTO 35 USC §181 secrecy order records