Method for imparting shapes to shape memory alloy wires

Details Method for imparting shapes to shape memory alloy wires Method for imparting shapes to shape memory alloy wires

1989-11-06

1992-03-03

Dean, R.

Metal treatment

Compositions

Heat treating

148402, 148426, 433 20, C22F 100

Patent

active

050929410

ABSTRACT:
A method of imparting a particular shape to a wire made of a shape memory alloy, such as a Ni-Ti alloy, which includes the steps of bending the wire inside a tubular body into the particular shape; heating the wire within the tubular body to a temperature sufficient to cause the wire to retain the particular shape; and removing the wire from the tubular body. The tubular body is made of a deformable metal, such as stainless steel or nickel-chrome alloy tubing, and includes a slit therethrough extending in its axial direction. The slit is provided to facilitate bending the tubular body and removing the wire from the tubular body.

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