5001.001.001.007 Development of Graded Alloy Transitions for Hypersonic Systems

GRaded Alloy Transition Development (GRATD) employs Integrated Computational Materials Engineering (ICME).

GRaded Alloy Transition Development (GRATD) employs Integrated Computational Materials Engineering (ICME).

Additive manufacturing (AM) is a proven valuable enabler for the rapid manufacture of complex assemblies. The Office of the Under Secretary of Research and Engineering’s (OUSD R&E) Technology & Manufacturing Industrial Base in collaboration with the Assistant Director, Hypersonics have identified development of AM for high temperature metals as key to timely fielding of hypersonic capabilities, addressing shortfalls of traditional manufacturing processes which are often costly, low-yield, and labor intensive. Additionally, aero-thermal environments experienced by hypersonic vehicles require joining dissimilar materials to reduce weight and increase thermal/structural performance. Developments in AM techniques for the processing of high temperature and dissimilar material sets for hypersonic applications are needed to exploit the advantages of AM.

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