Research/Patents/US 4981528
US 4981528Tier 1 — UAP Program Assignee

HOT ISOSTATIC PRESSING OF SINGLE CRYSTAL SUPERALLOY ARTICLES

Assignee

Rockwell International

Filed as: ROCKWELL INTERNATIONAL CORPORATION

Filed

Sep 16, 1987

Granted

Jan 1, 1991

Location

RESEDA CA US

Abstract

A method for the densification of a shaped nickel base single crystal alloy article utilizing a pre-HIP, an improved hot isostatic pressing (HIP) step, and post-HIP solution heat treatment to enhance removal of casting porosity in a finished article.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jun 21, 1988

Rescinded

Jan 19, 1990

Duration

1 year, 7 months

Inventor

  • 1LESLIE G. FRITZEMEIER
Back to patent indexSource: USPTO 35 USC §181 secrecy order records