Abstract
Initiated at the interface of dissimilar elemental metal foils, a self-propagating, high-temperature synthesis (SHS) reaction can be used to produce a fully dense, well-bonded metal-intermetallic layered composite. In the research described here, aluminum foils were sandwiched between metal foils (Fe, Ni, Ti) and heated in a hot press to approximately the melting point of aluminum. An SHS reaction occurred at the metal-aluminum interface, consuming all of the aluminum foil and part of the metal foil, resulting in a strongly bonded metal-aluminide interface. Tensile tests conducted at room temperature revealed that composites can be designed to behave in a high-strength and high-toughness manner by altering the thicknesses of the elemental foils.
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Alman, D.E., Hawk, J.A., Petty, A.V. et al. Processing intermetallic composites by self-propagating, high-temperature synthesis. JOM 46, 31–35 (1994). https://doi.org/10.1007/BF03220646
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DOI: https://doi.org/10.1007/BF03220646