Direct Cast Titanium Alloy Strip

Abstract

This research project successfully demonstrated the feasibility of induction melting titanium alloys in a segmented copper crucible and casting them into solid strip up to 300 mm (12 in) wide from a unique graphite tundish using melt overflow rapid solidification technology (MORST). A U.S. Patent Application was filed on the invention. Ti-6Al=4V, Ti-14Al=21Nb and Ti-34Al-4V alloys were cast into 300=mm (12-in)-wide strip. The system casts strip that has low levels of oxygen, hydrogen, nitrogen and carbon. There was no evidence of carbon contamination from the graphite tundish. The objective of casting of 0. 125-mm (0.005-in)-thick strip was also realized in casting strip up to 32 mm (1. 5 in) wide.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1990
Accession Number
ADA227639

Entities

People

  • H.L. Fraser
  • Lloyd E. Hackman
  • Mark Aindow
  • Thomas A. Gasper

Tags

Communities of Interest

  • Air Platforms
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Air Force
  • Chemical Analysis
  • Chemistry
  • Classification
  • Cooling
  • Electron Microscopy
  • Fluid Flow
  • Materials
  • Materials Engineering
  • Materials Laboratories
  • Materials Science
  • Mechanical Properties
  • Physical Properties
  • Sheet Metal
  • Titanium
  • Titanium Alloys
  • Titanium Aluminide

Fields of Study

  • Materials science

Readers

  • Metallurgy