METHOD FOR PRODUCING ultrafine nickel titanium alloy with shape memory effect

摘要

1.method u043fu043eu043bu0443u0447u0435u043du0438u00a0 u0443u043bu044cu0442u0440u0430u043cu0435u043bu043au043eu0437u0435u0440u043du0438u0441u0442u044bu0445 alloys with effect of u043fu0430u043cu00a0u0442u0438 form, including the provisional building and subsequent u0442u0435u0440u043cu043eu043cu0435u0445u0430u043du0438u0447u0435u0441u043au0443u044e processing, u0441u043eu0447u0435u0442u0430u044eu0449u0443 yu u0434u043eu0440u0435u043au0440u0438u0441u0442u0430u043bu043bu0438u0437u0430u0446u0438u043eu043du043du044bu0439 u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 deformation and annealing, so that the deformation of the u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 in two phases.the first step of u043fu0440u043eu0432u043eu0434u00a0u0442 intensive plastic deformation with the true degree of strain e4 accumulated within a temperature range of 300 550u0441 and at the second stage u043fu0440u043eu0432u043eu0434u00a0u0442 deformation u043fu0440u043eu043au0430u0442u043au043eu0439 or applications or u0432u043eu043bu043eu0447u0435u043du0438u0435u043c with degree of not less than 20% at temperatures of 20 500u0441 with u043eu0442u0436u0438u0433u0430u043cu0438 at temperatures of 350 550u0441 within 0.5 to 2.0 hours.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that an intensive plastic deformation of the u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 by u0440u0430u0432u043du043eu043au0430u043du0430u043bu044cu043du043eu0433u043e of u043fu0440u0435u0441u0441u043eu0432u0430u043du0438u00a0 in coal u043fu0435u0440u0435u0441u0435u0447u0435u043du0438u00a0 channels 90 - 15 0.;3. method for u043fu043f.1 and 2, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, processing the lead in insulated u0443u0441u043bu043eu0432u0438u00a0u0445.;4. method for u043fu043f.1 and 2, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, equal channel angular extrusion u043fu0440u043eu0432u043eu0434u00a0u0442 in lowering the temperature in the range 550 - home.;5. method for u043fu043f.1 and 2, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 annealing process and (or) after u0440u0430u0432u043du043eu043au0430u043du0430u043bu044cu043du043eu0433u043e of u043fu0440u0435u0441u0441u043eu0432u0430u043du0438u00a0.;6. method for u043fu043f.1 and 2, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 annealing process and (or) after the second phase of deformation.