Patent · US Expired

Precipitation-hardenable nickel-base superalloy with improved mechanical properties in the temperature range from 600 to 750 degrees celsius

US4957703A · kind A · utility

1Cited by

1References

7Claims

0Family size

Assignee

Asea Brown Boveri, S.A. · CH

Inventors

Peter Robert Lawrence · Elgin, US
Mohamed Nazmy · Fislisbach, CH
Markus Staubli · Dottikon, CH

Key dates

Filing date	Mar 2, 1989
Grant date	Sep 18, 1990
Priority date	—
Expiry date	Mar 2, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC22C19/056
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A precipitation-hardenable nickel-base superalloy with improved mechanical properties in the temperature range from 600.degree. to 750.degree. C. which has the following composition: PA0 Cr=12-15 percent by weight PA0 Co=3-4.5 percent by weight PA0 W=1-3.5 percent by weight PA0 Ta=4-5.5 percent by weight PA0 Al=3-4.3 percent by weight PA0 Ti=4-5 percent by weight PA0 Hf=0-2.5 percent by weight PA0 B=0-0.02 percent by weight PA0 Zr=0.01-0.06 percent by weight PA0 C=0.05-0.07 percent by weight PA0 Ni=remainder

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