Title:
2相チタン・アルミニド合金
Document Type and Number:
Japanese Patent JP4664500
Kind Code:
B2
Abstract:
A two phase titanium 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 = 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.
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Inventors:
Divi, Sea Salama, Sea.
Liu, Sea., Tea.
Liu, Sea., Tea.
Application Number:
JP2000542498A
Publication Date:
April 06, 2011
Filing Date:
February 02, 1999
Export Citation:
Assignee:
Philip Morris USA Inc.
International Classes:
C22C14/00; B22F3/23; C22C1/04; C22C29/00; C22C32/00; C22F1/18
Domestic Patent References:
JP6264167A |
Attorney, Agent or Firm:
Nobuaki Kazehaya
Noriko Asano
Noriko Asano