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An elemental powder sintering (EPS) technique has been developed for the synthesis of porous NiTi alloy, in which Ni and Ti powders are used as the reactants and TiH 2 powder is added as a pore-forming agent and active agent. Effects of various experimental parameters (sintering temperature, sintering time, and TiH 2 content) on the porosity, pore size and pore distribution as well as phase composition in experimental alloys are investigated. It is found that in order to avoid the formation ofdoi:10.1557/jmr.1998.0389 fatcat:etphtgknlrhfxemrtifv2vxkeq