Research/Patents/US 5015502
US 5015502

CERAMIC THERMAL BARRIER COATING WITH ALUMINA INTERLAYER

Assignee

Filed

Nov 8, 1989

Granted

May 14, 1991

Location

PHOENIX AZ US

Abstract

A ceramic thermal barrier coating system for superalloy components subjected to high operating temperatures, such as gas turbine engine airfoils, includes a high purity alumina interfacial layer between the metallic substrate and the ceramic overcoat in order to better resist failure by spalling.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

May 14, 1990

Rescinded

Jul 12, 1990

Duration

1 month

Inventor

  • 1THOMAS E. STRANGMAN

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