Patent · US Expired

Process for producing single crystals

US4961818A · kind A · utility

11Cited by
3References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 21, 1985
Grant dateOct 9, 1990
Priority date
Expiry dateJun 21, 2005

Classification

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

Abstract

A process for producing a single crystal object made of a nickel-base, O.D.S., gamma prime strengthened alloy which involves diffusion bonding a seed crystal to a mass of such alloy in recrystallizable state and thereafter zone annealing to grow a single crystal through the mass of alloy.

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