Elevated Temperature Aluminum-Titanium Alloy.

Abstract

This abstract discloses an aluminum-titanium alloy and a process of making it. The alloy consist essentially of aluminum, 4-6 wt. % titanium, 1-2 wt. % carbon, and 0.1-0.2 WT. % oxygen. The alloy is an aluminum matrix supersaturated with titanium, and having throughout a fine, homogeneous dispersion of Al3Ti particles. It is fine grained and has grain boundary dispersoids of carbides and oxides, predominantly of aluminum. An aluminum-titanium melt is rapidly solidified and then mechanically alloyed in the presence of a carbon-bearing agent. The resulting powder is degassed and hot consolidated to form articles which exhibit high strength, ductility, and creep resistance at temperatures greater than 200 C.

Document Details

Document Type
Technical Report
Publication Date
Jan 29, 1988
Accession Number
ADD013694

Entities

People

  • Michael J. Koczak
  • William E. Frazier

Organizations

  • United States Department of the Navy

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Alloys
  • Aluminum
  • Boundaries
  • Dispersions
  • Ductility
  • Grain Boundaries
  • Particles
  • Resistance
  • Titanium
  • Titanium Alloys

Fields of Study

  • Materials science

Readers

  • Powder metallurgy of Titanium alloys.