Research/Patents/US 5077004
US 5077004

SINGLE CRYSTAL NICKEL-BASE SUPERALLOY FOR TURBINE COMPONENTS

Assignee

GARRETT CORPORATION, THE

Filed

May 7, 1986

Granted

Dec 31, 1991

Location

NEW HARTFORD NY US

Abstract

A single crystal nickel-base superalloy is disclosed having an improved incipient melting temperature and oxidation resistance. The single crystal nickel-base alloy of this invention is characterized by specific addition of chromium, tungsten, aluminum and tantalum to produce an alloy having moderate high temperature strength and improved oxidation resistance and incipient melting temperature. The nominal composition of our new single crystal alloy (in weight percent) is 10-15% Cr, 0-4% Co, 6-8.5% W, 6-7% Al, 0-1% Ti, 2-6% Ta, and the balance nickel.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jul 9, 1987

Rescinded

Mar 22, 1991

Duration

3 years, 8 months

Inventor

  • 1FREDERICK A. SCHWEIZER

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