Schaffer, Jeremy E.
Fort Wayne Metals Research Products CorporationPurdue Univ., Fort WayneWest Lafayette, ININ
Pages: 10 Published: Jan 2011
Metallic wire used in medical devices contains small defects that must be accounted for in design to guard against failure. Sites of probable failure are often constituent inclusion particles, pores, or surface defects that behave as crack-like, stress concentrators. The aim of this research is to examine the effects of mechanical overload conditioning applied to medicalgrade nitinol wire on fatigue performance. A mechanical overload conditioning treatment comprising a single axial tensile strain cycle of 11.5 % was applied at room temperature (300 K) to nominally Ti 50.9 at. % Ni wires with active
nitinol wire, nanocrystalline, medical wire, fatigue behavior, nitinol properties
Paper ID: STP49288S