Recent progress in microstructures and properties of NiTiTa complex materials for biomedical applications

In the field of shape-memory alloys (SMAs), Nickel–Titanium–Tantalum (NiTiTa) alloys have garnered significant interest due to their superior properties compared to traditional Ni–Ti alloys. This review summarizes the advances in NiTiTa SMAs, focusing on their microstructures, mechanical properties, biocompatibility, X-ray visibility, and corrosion resistance. It discusses innovative methods like heat treatment, alloying, and surface treatment to tailor these properties. The review highlights the potential of NiTiTa alloys in biomedical devices, aerospace engineering, and precision mechanics, and suggests future research directions to improve their performance under extreme conditions.