US 12,343,798 B2
Multi-material structures and methods
Jonathan D. Embler, Santa Ana, CA (US); William E. O'Connor, Santa Monica, CA (US); Tobias Schaedler, Oak Park, CA (US); Eric C. Clough, Santa Monica, CA (US); Raymond Nguyen, Anaheim, CA (US); and Sonia Zacher, Santa Monica, CA (US)
Assigned to The Boeing Company, Arlington, VA (US)
Filed by The Boeing Company, Arlington, VA (US)
Filed on Mar. 6, 2023, as Appl. No. 18/178,771.
Claims priority of provisional application 63/367,062, filed on Jun. 27, 2022.
Prior Publication US 2023/0415236 A1, Dec. 28, 2023
Int. Cl. B22F 7/08 (2006.01); B22F 10/38 (2021.01); B22F 10/43 (2021.01); B22F 10/60 (2021.01); B33Y 80/00 (2015.01); B33Y 10/00 (2015.01)
CPC B22F 10/43 (2021.01) [B22F 10/38 (2021.01); B22F 10/60 (2021.01); B22F 2301/205 (2013.01); B22F 2303/05 (2013.01); B22F 2303/40 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A multi-material structure comprising:
a machined refractory portion provided in a finished configuration, the refractory portion comprising at least one of niobium (Nb), molybdenum (Mo), tantalum (Ta), tungsten (W), rhenium (Re), iridium (Ir), vanadium (V), and ruthenium (Ru);
an additively manufactured structural portion comprising a titanium alloy, wherein the additively manufactured structural portion further comprises a core having an open cell structure; and
an interface portion metallurgically joining the machined refractory portion and the additively manufactured structural portion.