Only first and corresponding author papers are listed. For details on co-authorship, see (ORCiD or
Google Scholar).
Naoki Nohira*, Yutong Jia, Aya Harashima, Masaki Tahara, Hideki Hosoda, Effect of Aging on Precipitation Behavior and Mechanical Properties of Ag-added Ti–2Cr–9Sn Biomedical Shape Memory Alloy, Materials Transactions, 67(8) (2026) xxxx.
DOI:10.2320/matertrans.MT-MF2026002. Accepted 13 May. 2026.
Naoki Nohira, Ryotaro Hara, Masaki Tahara*, Tomonari Inamura, Hideki Hosoda, In-situ investigation of stress-induced martensitic transformation in Ti–6Mo–10Al single crystals revealing crystallographic features and deviation from phenomenological predictions, Acta Materialia, 314 (2026) 122349.
DOI:10.1016/j.actamat.2026.122349. Accepted 12 May. 2026.
Naoki Nohira*, Cheng Chen, Yilin Jin, Wan-Ting Chiu, Akira Umise, Takeshi Teramoto, Masaki Tahara, Ryosuke Ozasa, Takuya Ishimoto, Yuichiro Koizumi, Takayoshi Nakano, Hideki Hosoda, Introducing a novel fabrication route for metastable β-type Ti–Cr–Sn alloys with ultra-high Sn content using pure elemental mixed powders via laser powder bed fusion, Additive Manufacturing, 124 (2026) 105213.
DOI:10.1016/j.addma.2026.105213. Accepted 16 Apr. 2026.
Koichi Ozaki, Naoki Nohira*, Masaki Tahara, Itsuo Kumazawa, Hideki Hosoda, Transfer learning approach with Voronoi-based synthetic data for high-accuracy segmentation of equiaxed grain boundaries, Computational Materials Science, 262 (2026) 114378.
DOI:10.1016/j.commatsci.2025.114378. Accepted 9 Nov. 2025.
Masaki Tahara*, Naoki Nohira*, Takahiko Igarashi, Cheng Chen, Wan-Ting Chiu, Hideki Hosoda, Effect of Aging Heat Treatment on Precipitates and Mechanical Properties of Ti-Cr-Sn Superelastic Alloys with High Sn Content, Materials Transactions, 66(10) (2025) 1307-1312.
DOI:10.2320/matertrans.MT-M2025044. Accepted 15 Jul. 2025.
Naoki Nohira*, Masaki Tahara, Hideki Hosoda, Formation of Nanoscale Aging Products and Their Effects on the Mechanical Properties of a Metastable β-Ti Based Shape Memory Alloy, ACS Applied Engineering Materials, 3(5) (2025) 1210-1219.
DOI:10.1021/acsaenm.5c00086.148095. Accepted 15 Apr. 2025.
Naoki Nohira*, Wan-Ting Chiu, Akira Umimse, Masaki Tahara, Hideki Hosoda, Exploration of hypereutectoid compositions for achieving and enhancing superelasticity in biomedical Ti–Au–Mo alloys, Materials Science and Engineering: A, 928 (2025) 148095.
DOI:10.1016/j.msea.2025.148095. Accepted 19 Feb. 2025.
Naoki Nohira*, Taichi Ichisawa, Masaki Tahara, Itsuo Kumazawa, Hideki Hosoda, Machine learning-based prediction of the mechanical properties of β titanium shape memory alloys, Journal of Materials Research and Technology, 34 (2025) 2634-2644.
DOI:10.1016/j.jmrt.2024.12.244. Accepted 27 Dec. 2024.
Naoki Nohira*, Kenta Hayashi, Keigo Kimura, Masaki Tahara, Hideki Hosoda, Comprehensive mapping of mechanical properties and martensitic transformation in Ti–Al–Mo standard ternary system: Integrating literature data and fabricating novel high-Al-content superelastic alloys, Journal of Alloys and Compounds, 1009 (2024) 176841.
DOI:10.1016/j.jallcom.2024.176841. Accepted 01 Oct. 2024.
Naoki Nohira*, Wan-Ting Chiu, Masaki Tahara, Hideki Hosoda, Microstructural changes and mechanical property response to aging heat treatment in hypereutectoid Ti–Au–Mo biomedical alloys, Materials Science and Engineering: A, 912 (2024) 146956.
DOI:10.1016/j.msea.2024.146956. Accepted 12 Jul. 2024.
Naoki Nohira*, Keiko Widyanisa, Wan-Ting Chiu, Akira Umise, Masaki Tahara, Hideki Hosoda, Effects of 3d Transition Metal Substitutions on the Phase Stability and Mechanical Properties of Ti–5.5Al–11.8[Mo]eq Alloys, Materials, 16(13) (2023) 4526.
DOI:10.3390/ma16134526. Accepted 20 Jun. 2023.
Naoki Nohira*, Yoshiaki Oshita, Wan-Ting Chiu, Akira Umise, Masaki Tahara, Hideki Hosoda, Effect of aging on isothermal ω/α″ growth and resulting mechanical behaviors of the Ti–Mo–Al high temperature shape memory alloys, Materials Characterization, 199 (2023) 112850.
DOI:10.1016/j.matchar.2023.112850. Accepted 21 Mar. 2023.
Naoki Nohira*, Kenta Hayashi, Masaki Tahara, Hideki Hosoda, Shape memory effect and aging behavior of Bi-added Ti–Cr alloys for biomedical applications, Journal of the Mechanical Behavior of Biomedical Materials, 141 (2023) 105800.
DOI:10.1016/j.jmbbm.2023.105800. Accepted 23 Mar. 2023.
Naoki Nohira*, Kenta Hayashi, Masaki Tahara, Hideki Hosoda, Fabrication and mechanical properties of Bi-added Ti–Cr alloys for biomedical applications, Journal of Materials Research and Technology, 23 (2023) 5644-5652.
DOI:10.1016/j.jmrt.2023.02.173. Accepted 22 Feb. 2023.
Naoki Nohira*, Yoshiaki Oshita, Wan-Ting Chiu, Akira Umise, Masaki Tahara, Hideki Hosoda, Investigations of Deformation Behavior and Microstructure of Al Tailored Ti–Mo High Temperature Shape Memory Alloys during Isothermal Holding at 393 K, Micro, 2(1) (2022) 113-122.
DOI:10.3390/micro2010007. Accepted 20 Jan. 2022.
Naoki Nohira*, Wan-Ting Chiu, Akira Umise, Masaki Tahara, Hideki Hosoda, Achievement of Room Temperature Superelasticity in Ti-Mo-Al Alloy System via Manipulation of ω Phase Stability, Materials, 15(3) (2022) 861.
DOI:10.3390/ma15030861. Accepted 17 Jan. 2022.
Conference Papers
N. Nohira, M. Tahara, H. Hosoda, RECENT DEVELOPMENT OF TITANIUM–CHROMIUM–TIN BASED BIOMEDICAL SHAPE MEMORY ALLOYS BEYOND NI–TI,
Proceedings of the Biomaterials International 2025 (BMI-2025), 1023. Jul. 2025
N. Nohira, W.-T. Chu, M. Tahara, H. Hosoda, EFFECT OF ANNEALING TEMPERATURE ON MECHANICAL PROPERTIES OF TITANIUM-GOLD-MOLYBDENUM ALLOYS,
Proceedings of the Biomaterials International 2024 (BMI-2024), 1054. Jun. 2024
Naoki Nohira, Wan-Ting Chiu, Akira Umise, Masaki Tahara, Hideki Hosoda, MECHANICAL PROPERTIES OF Ti-Mo-Al SHAPE MEMORY ALLOY AGED AT α″ REGION,
Proceedings of the 15th World Conference on Titanium (Ti-2023), 3 27-29. Oct. 2024
Dissertation
Naoki Nohira, Study on αʺ martensite aging of Ti-Mo-Al high temperature shape memory alloy, Tokyo Institute of Technology, Mar. 2022