Low Temperature Shape Setting of NiTi Wires and Textiles for Medical Devices

If necessary NiTi elements can be shape set at temperatures lower than 300^oC. This is particularly of interest for the development of hybrid NiTi-polyester medical devices which can not be shape set at higher temperatures since the polyester filaments would be damaged.  A method how to do that is presented in this work. The results of dedicated thermomechanical tests combined with in-situ electrical resistivity, synchrotron X-ray and TEM measurements during shape setting performed when developing  the method are discussed and examples of shape setting of textiles are given.