Patent · US Expired

Multi-alloy turbine rotor disk

US4900635A · kind A · utility

16Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 9, 1989
Grant dateFeb 13, 1990
Priority date
Expiry dateFeb 9, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12458
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The disclosure relates to a turbine disk and a method of making the turbine disk comprising the steps of rotating a mold, adding a first powdered metal to the rotating mold at a first rate, reducing the rate of addition of the first metal to a second rate, and adding a second powdered metal to the mold at a third rate substantially equal to the difference between the first and second rates.

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