Dependence of NiTi Alloy Microstructure on the Conditions of Powder Metallurgy Production
Pavel NovákInstitute of Chemical Technology, PragueHynek MoravecInstitute of Chemical Technology, PragueJiří VystrčilInstitute of Chemical Technology, PragueJ. AdámekCzech Technical University in PragueJaromı́r KopečekInstitute of Physics of the ASCR, v. v. iTomáš František KubatíkInstitute of Plasma Physics AS CR, v. v. i
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The aim of this work was to describe the dependence of microstructure of NiTi shape memory alloy on the conditions of powder metallurgy processing route. The technology consisted of blending of elemental Ni and Ti powders, uniaxial cold pressing and reactive sintering. The effects of reactive sintering temperature, heating rate, holding duration and particle size were determined. The proposed technology can be used as the alternative production route of NiTi to minimize the contamination of the alloy.
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