skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Two phase titanium aluminide alloy

Abstract

A two-phase titanic aluminide alloy having a lamellar microstructure with little intercolony structures. The alloy can include fine particles such as boride particles at colony boundaries and/or grain boundary equiaxed structures. The alloy can include alloying additions such as .ltoreq.10 at % W, Nb and/or Mo. The alloy can be free of Cr, V, Mn, Cu and/or Ni and can include, in atomic %, 45 to 55% Ti, 40 to 50% Al, 1 to 5% Nb, 0.3 to 2% W, up to 1% Mo and 0.1 to 0.3% B. In weight %, the alloy can include 57 to 60% Ti, 30 to 32% Al, 4 to 9% Nb, up to 2% Mo, 2 to 8% W and 0.02 to 0.08% B.

Inventors:
 [1];  [2]
  1. (Midlothian, VA)
  2. (Oak Ridge, TN)
Publication Date:
Research Org.:
LOCKHEED MARTIN ENRGY SYST INC
OSTI Identifier:
873658
Patent Number(s):
US 6214133
Assignee:
Chrysalis Technologies, Incorporated (Richmond, VA) ORNL
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
phase; titanium; aluminide; alloy; two-phase; titanic; lamellar; microstructure; intercolony; structures; fine; particles; boride; colony; boundaries; grain; boundary; equiaxed; alloying; additions; ltoreq; 10; nb; free; mn; cu; atomic; 45; 55; 40; 50; weight; 57; 60; 30; 32; 02; 08; fine particles; aluminide alloy; titanium aluminide; grain boundary; fine particle; alloying additions; /148/420/

Citation Formats

Deevi, Seetharama C., and Liu, C. T. Two phase titanium aluminide alloy. United States: N. p., 2001. Web.
Deevi, Seetharama C., & Liu, C. T. Two phase titanium aluminide alloy. United States.
Deevi, Seetharama C., and Liu, C. T. Mon . "Two phase titanium aluminide alloy". United States. doi:. https://www.osti.gov/servlets/purl/873658.
@article{osti_873658,
title = {Two phase titanium aluminide alloy},
author = {Deevi, Seetharama C. and Liu, C. T.},
abstractNote = {A two-phase titanic aluminide alloy having a lamellar microstructure with little intercolony structures. The alloy can include fine particles such as boride particles at colony boundaries and/or grain boundary equiaxed structures. The alloy can include alloying additions such as .ltoreq.10 at % W, Nb and/or Mo. The alloy can be free of Cr, V, Mn, Cu and/or Ni and can include, in atomic %, 45 to 55% Ti, 40 to 50% Al, 1 to 5% Nb, 0.3 to 2% W, up to 1% Mo and 0.1 to 0.3% B. In weight %, the alloy can include 57 to 60% Ti, 30 to 32% Al, 4 to 9% Nb, up to 2% Mo, 2 to 8% W and 0.02 to 0.08% B.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2001},
month = {Mon Jan 01 00:00:00 EST 2001}
}

Patent:

Save / Share: