US 7,592,073 B2
Rhenium composite alloys and a method of preparing same
Jerry W. Brockmeyer, Santa Clarita, Calif. (US); and Clifford C. Bampton, Thousand Oaks, Calif. (US)
Assigned to The Boeing Company, Chicago, Ill. (US)
Filed on Sep. 27, 2005, as Appl. No. 11/236,025.
Prior Publication US 2008/0003452 A1, Jan. 03, 2008
Int. Cl. B32B 15/00 (2006.01); C22C 27/00 (2006.01)
U.S. Cl. 428—655  [420/433; 420/400] 20 Claims
OG exemplary drawing
 
1. A rhenium alloy comprising:
from 50 atomic % to 99 atomic % rhenium and at least one refractory compound comprised of nitrides wherein the nitrides have a collective nitrogen content that is from about 0.3 to 0.6% by weight of the alloy, and wherein the alloy has a melting point that is at least 5200° F. and a yield strength of about 15 ksi at 3500° F.