Abstract
A processing technique for the fabrication of layered metal-intermetallic composites is presented, in which a self-propagating, high-temperature synthesis reaction (SHS) was initiated at the interface between dissimilar elemental metal foils. The resultant composite microstructure consisted of a fully dense, well-bonded metal-intermetallic layered composite. In this United States Bureau of Mines study, metal (Fe, Ni, or Ti) foils were reacted with Al foils to produce metal-metal aluminide layered composites. Tensile tests conducted at room temperature revealed that composites could be designed to behave in a high-strength and high-toughness manner by altering the thicknesses of the starting elemental foils. Failure characteristics revealed that the processes that govern ductilevs brittle behavior of the composites occur early in the fracture.
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Alman, D.E., Rawers, J.C. & Hawk, J.A. Microstructural and failure characteristics of metal-lntermetallic layered sheet composites. Metall Mater Trans A 26, 589–599 (1995). https://doi.org/10.1007/BF02663908
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DOI: https://doi.org/10.1007/BF02663908