Modular Design of High Temperature and Pressure Heat Exchangers Using 3D Printing

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This project team will 3-D-print functionally graded material, which is a composite that changes along with its size, and use the metal powder-bed fusion (PBF) additive-manufacturing process to make low-cost, high-performance nickel-alloy heat exchangers. The high- and low-temperature modules consist of two materials, which the mid-temperature module will bond. To address challenges associated with joining dissimilar materials and achieve high performance, the team plans to print the low-temperature module using PBF, deposit the functionally graded mid-temperature module using direct energy deposition (DED), and finish the high-temperature module using DED.