THERMAL TREATMENT OF MONOCRYSTALS OF Fe-Ni-Co-Al-Ti FERROMAGNETIC ALLOY WITH SHAPE MEMORY EFFECT AND SUPERELASTICITY ORIENTED IN [001] DIRECTION AT STRETCHING STRAIN Russian patent published in 2014 - IPC C22F1/10 C22C30/00 C21D6/00 

Abstract RU 2524888 C1

FIELD: metallurgy.

SUBSTANCE: invention can be used for production of actuators, transducers and dampers. Proposed method comprises homogenising annealing of Fe-Ni-Co-Al-Ti ferromagnetic alloy monocrystals including the following components, in wt %: Fe - 42.8, Ni - 30.7, Co - 18.4, Al - 5.8, Ti - 2.3 in atmosphere of inert gas He at 1250°C 10 hours, heating and holding at 1280°C for 1 h with subsequent quenching in water of room temperature and ageing in atmosphere of inert gas He at 600-700°C for 1-7 hours with subsequent cooling in water.

EFFECT: shape memory effect and superelasticity.

1 tbl, 1 ex

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RU 2 524 888 C1

Authors

Chumljakov Jurij Ivanovich

Kireeva Irina Vasil'Evna

Dates

2014-08-10Published

2013-03-12Filed