Line annealing treatment method for improving ductility titanium shape memory alloy of nickel

The present invention discloses a method for improving the annealing line nickel-titanium shape memory alloy plasticity of Ni-rich Ni-Ti shape memory alloy is annealed in-line drawing process, and then cooled to. Line annealing method of the present invention to improve a nickel titanium shape memory alloy plasticity, online annealing treatment by Ni-rich Ni-Ti shape memory alloy side edge drawn in the drawing process, a nickel-rich Ni-Ti shape memory alloy has good plastic, easily deformed, stable, and which method is easy, to save time, improve processing efficiency.