Application of Rapidly Solidified Superalloys.

Abstract

This program is being conducted for the purpose of applying the principle of rapid solidification to superalloy powders and subsequent development of a stronger alloy composition for jet engine turbine airfoils. Centrifugal atomization and forced convective cooling are being used to produce the fast cooled material. During this period, a second generation high-speed turbine drive assembly for atomization was completed, and requirements for gas quenching through the use of swirl flow nozzles identified. Powders of IN100 and MAR M-200 were successfully consolidated, extruded, and forged, and initial mechanical property tests show high-strength levels can be attained. New alloy studies have been started and laser surface melting to achieve locally high solidification rates on experimental samples has been added to the program as a means to screen many alloys on an expedited basis. (Author)

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1977
Accession Number
ADA057331

Entities

People

  • A. R. Cox

Organizations

  • Pratt & Whitney

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Alloys
  • Assembly
  • Cross Flow
  • Engines
  • Extrusion
  • Flow
  • Heat Energy
  • Heat Transfer
  • Jet Engines
  • Manufacturing
  • Mass Flow
  • Materials
  • Mechanical Properties
  • Mechanics
  • Particle Size
  • Particles
  • Powders

Fields of Study

  • Materials science

Readers

  • Combustion and Flow Dynamics.
  • Powder metallurgy of Titanium alloys.
  • Software Engineering

Technology Areas

  • Directed Energy