Characterisation of heat-treated Ti-rich NiTi fabricated by laser powder bed fusion

Open Access

Issue		MATEC Web Conf. Volume 417, 2025 2025 RAPDASA-RobMech-PRASA-AMI Conference: Bridging the Gap between Industry & Academia - The 26^th Annual International RAPDASA Conference, joined by RobMech, PRASA and AMI, co-hosted by CSIR and Tshwane University of Technology, Pretoria


Article Number		07002
Number of page(s)		10
Section		AM Material and Part Characterisation
DOI		https://doi.org/10.1051/matecconf/202541707002
Published online		25 November 2025

E. Farber, J.N. Zhu, A. Popovich, and V. Popovich, A review of NiTi shape memory alloy as a smart material produced by additive manufacturing. Materials Today: Proceedings, 30, (2020). https://doi.org/10.1016/j.matpr.2020.01.563 [Google Scholar]
S. Tareq, T. Rahman, B. Poudel, H. Chung and P. Kwon. Heat treatment protocol for additively manufactured nitinol shape memory alloys in biomedical applications. Mat. Sci. and Eng. A, 897, (2024). https://doi.org/10.1016/j.msea.2024.146274 [Google Scholar]
M.B. Abrami, M. Tocci, K. Tamilselvam, D. Brabazon, and A. Pola, Effect of Heat Treatments on Microstructure and Mechanical Properties of Nitinol Prototype Stents Produced by Laser Powder Bed Fusion. Key Eng. Mat., 967, 143-149, (2023). https://doi.org/10.4028/p-M7D9Cr [Google Scholar]
M.C. Monu, S. Kumar, and D. Brabazon. Heat treatment of NiTi alloys: Influence of volumetric energy density on ageing parameters and the resulting physical properties. J. of Mat. research and tech., 26, 9532-9555, (2023). https://doi.org/10.1016/j.jmrt.2023.09.251 [Google Scholar]
X. Wang, J. Yu, J. Liu, L. Chen, Q. Yang, H. Wei, J. Sun, Z. Wang, Z. Zhang, G. Zhao, J. Van Humbeeck, Effect of process parameters on the phase transformation behavior and tensile properties of NiTi shape memory alloys fabricated by selective laser melting, Addit. Manuf. 36, 101545, (2020). https://doi.org/10.1016/j.addma.2020.101545 [Google Scholar]
P. Jamshidi, C. Panwisawas, E. Langi, S.C. Cox, J. Feng, L. Zhao, M.M. Attallah, Development, characterisation, and modelling of processability of nitinol stents using laser powder bed fusion, J. Alloys Compd. 909, 164681, (2022). https://doi.org/10.1016/j.jallcom.2022.164681 [CrossRef] [Google Scholar]
J.J. Marattukalam, V.K. Balla, M. Das, S. Bontha, and S.K. Kalpathy. Effect of heat treatment on microstructure, corrosion, and shape memory characteristics of laser deposited NiTi alloy. J. Alloys Compd, 744, 337-346, (2018). https://doi.org/10.1016/j.jallcom.2018.01.174 [Google Scholar]
H.Z. Lu, L.H. Liu, C. Yang, X. Luo, C.H. Song, Z. Wang, Z., J. Wang, Y.D. Su, Y.F. Ding, I.C. Zhang. and Y.Y. Li. Simultaneous enhancement of mechanical and shape memory properties by heat-treatment homogenization of Ti2Ni precipitates in TiNi shape memory alloy fabricated by selective laser melting. J. Mat. Sci. & Tech., 101, 205-216, (2022). https://doi.org/10.1016/j.jmst.2021.06.019 [Google Scholar]
Y. Yang, Z.G. Wu, B.Y. Shen, M.Z. Wu, Z.S. Yuan, C.Y. Wang, and L.C. Zhang, Graded functionality obtained in NiTi shape memory alloy via a repetitive laser processing strategy. J. Mat. Proc. Tech., 296, 117177, (2021). https://doi.org/10.1016/j.jmatprotec.2021.117177 [Google Scholar]
L. Motibane, L. Tshabalala, D. Hagedorn-Hansen, S. Chikosha, and T. Becker. Functional and Mechanical Behavior of Ultra-Thin, Porous NiTi Fabricated via Laser Powder Bed Fusion. In TMS Annual Meeting & Exhibition. Cham: Springer Nature Switzerland, TMS Annual Meeting, Orlando, Florida, USA, March 3-7 (2024), 96 [Google Scholar]
Z. Yang, H. Wang, Y. Huang, X. Ye, J. Li, C. Zhang, H. Li, B. Pang, Y. Tian, C. Huang, G. Sun, Strain rate dependent mechanical response for monoclinic NiTi shape memory alloy: Micromechanical decomposition and model validation via neutron diffraction, Mater. & Design, 191, 108656, (2020). https://doi.org/10.1016/j.matdes.2020.108656 [Google Scholar]
J.C. Liu, H. Mei, F. Chen, L. Li, Y.X. Tong, Effect of Ta content on microstructure, martensitic transformation, and shape memory effect of (Ni52.2Ti47.8)100-xTax alloys, Journal of Alloys and Compounds, 1003, 175621, (2024). https://doi.org/10.1016/j.jallcom.2024.175621 [Google Scholar]

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.