MANUFACTURING METHOD OF ITEM FROM ALLOY WITH SHAPE MEMORY EFFECT ON BASIS OF TITANIUM NICKELIDE WITH COATING CAPABLE OF CHANGING COLOUR IN ITS DEFORMED PART Russian patent published in 2011 - IPC C22F1/18 

FIELD: metallurgy.

SUBSTANCE: invention refers to manufacturing methods of items from alloys with shape memory effect based on titanium nickelide with the coating capable of changing the colour in its deformed part and can be used during manufacture of sensors which inform spontaneously of the temperature change and deformation by changing the colour of their surface. There proposed is manufacturing method of the item from alloy with shape memory effect on the basis of titanium nickelide with the coating capable of changing the colour in its deformed part. Method consists in the fact that item workpiece is cleaned, deformed, loaded, heated to 400-500°C, exposed at this temperature and submerged into liquid nitrogen or liquid air.

EFFECT: obtaining the item from alloy with shape memory effect with the coating capable of changing the colour in its deformed part and resistant to temperature and chemical impacts.

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