Patent · US Expired

Low density nickel based superalloy

US4777017A · kind A · utility

9Cited by

0References

2Claims

0Family size

Assignee

OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AÉROSPATIALES · FR

Inventors

Tasadduq Khan · Vélizy-Villacoublay, FR
Pierre Caron · Les Ulis, FR
Jean-Louis Raffestin · Les Ulis, FR

Key dates

Filing date	Jun 20, 1986
Grant date	Oct 11, 1988
Priority date	—
Expiry date	Jun 20, 2006

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC30B29/52
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A low density nickel based superalloy having good creep characteristics w hot, and intended in particular for making turbomachine parts by monocrystalline solidification, wherein the composition of the alloy in percentages by weight is as follows: ______________________________________ Co: 5% to 7% Cr: 5% to 10% Mo: 0.5% to 2.5% W: 3% to 5% Al: 6% to 7.5% Ti: 1.5% to 2.25% Nb: 0% to 0.5% Ta: 2% to 4% V: 0.3% to 0.6% Ni: balance to 100%. ______________________________________ Parts, e.g. turbomachine blades, made from the alloy.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.