US 7,516,526 B2
Spun metal form used to manufacture dual alloy turbine wheel
Derek A. Rice, Phoenix, Ariz. (US); Venkatesh S. Krishnan, Mesa, Ariz. (US); David R. Waldman, Chandler, Ariz. (US); Gary G. Capek, Laveen, Ariz. (US); and Devinder N. Katariya, Chandler, Ariz. (US)
Assigned to Honeywell International Inc., Morristown, N.J. (US)
Filed on Nov. 03, 2004, as Appl. No. 10/980,480.
Application 10/980480 is a continuation of application No. 10/323156, filed on Dec. 18, 2002, granted, now 6,935,006.
Prior Publication US 2005/0061855 A1, Mar. 24, 2005
This patent is subject to a terminal disclaimer.
Int. Cl. B23Q 27/14 (2006.01)
U.S. Cl. 29—281.1  [29/559] 23 Claims
OG exemplary drawing
 
1. A dual alloy assembly comprising:
a casting including a cavity and a casting flange extending radially outwardly and surrounding said cavity;
a hub bonded to said casting and disposed at least partially within said cavity of said casting, said hub having an outer periphery at which a hub/casting interface is located; and
a form can including a can portion and a flange portion, said can portion of said form can disposed over said hub, and said flange portion of said form can extending radially outwardly from said can portion and extending over said casting flange, wherein:
said flange portion of said form can is vacuum brazed to said casting flange to prevent braze alloy contamination of said hub/casting interface.