Research/Patents/US 5217757
US 5217757

METHOD FOR APPLYING ALUMINIDE COATINGS TO SUPERALLOYS

Assignee

UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE

Filed

Nov 3, 1986

Granted

Jun 8, 1993

Location

VERNON CT US

Abstract

A powder mixture for applying gas phase aluminide coatings to nickel or cobalt base superalloys is described. A preferred mixture consists essentially of Co2 Al5, NH4 F.HF, and chromium metal. The mixture is substantially free of aluminum oxide.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jun 29, 1988

Rescinded

Nov 17, 1988

Duration

4 months

Inventor

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