Accession Number : ADD006074

Title :   Method for Prestressing Turbine Disks.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Honeycutt,Fred L , Jr ; Starr,Myron C

Report Date : 22 May 1979

Pagination or Media Count : 4

Abstract : This patent covers a method fo adding a residual compressive stress to the rim of a turbine disk by heating the disk to a uniform high temperature, then insulating the rim from the remainder of the disk and cooling to a temperature wherein the rim yields in tension. (Author)

Descriptors :   *Patents, *Turbine parts, Disks, Compressive properties, Thermal stresses, Residual stress, Thermal insulation

Subject Categories : Machinery and Tools

Distribution Statement : APPROVED FOR PUBLIC RELEASE