One-step shaping of NiTi biomaterial by selective laser melting

Yongqiang Yang; Yanlu Huang; Wenhui Wu

doi:10.1117/12.757753

4 February 2008 One-step shaping of NiTi biomaterial by selective laser melting

Yongqiang Yang, Yanlu Huang, Wenhui Wu

Proceedings Volume 6825, Lasers in Material Processing and Manufacturing III; 68250C (2008) https://doi.org/10.1117/12.757753
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

NiTi alloy has excellent biocompatibility. This paper presents a novel technology of direct shaping of this promising biomaterial with selective laser melting (SLM). The frequently encountered defects of the SLM metal alloy parts such as non-fully melting, thermal deformation and balling were analyzed theoretically and experimentally, and the microstructure of the parts was analyzed on microscope. The results show that an appropriate selection of laser mode and scanning strategy assures a satisfying quality of the final parts; they also reveal that the SLM technology can be expected as a potential technology to directly manufacture the artificial implant of NiTi alloys.

Citation Download Citation

Yongqiang Yang, Yanlu Huang, and Wenhui Wu "One-step shaping of NiTi biomaterial by selective laser melting", Proc. SPIE 6825, Lasers in Material Processing and Manufacturing III, 68250C (4 February 2008); https://doi.org/10.1117/12.757753

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