Abstract
Combustion synthesis is a new and promising method of producing Ni-Ti series shape memory alloys. It has the advantage of both time and energy savings compared with the conventional melting or powder metallurgy approaches. The value of the ratio ΔH∘ƒ,298/ Cp,298 plays a key role in this method, especially if a liquid product is required. Solidified products made by the combustion synthesis process were hot rolled into plates exhibiting the shape memory effect. It was discovered that shape memory transition temperatures can be tailored over a wide temperature range (from −78 to 460°C) by substituting a third element, such as palladium or iron, for nickel. This approach should greatly extend the application of such alloys.
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Yi, H.C., Moore, J.J. The combustion synthesis of Ni-Ti shape memory alloys. JOM 42, 31–35 (1990). https://doi.org/10.1007/BF03221050
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DOI: https://doi.org/10.1007/BF03221050