Research results

 

As of November, 2024

 

●Selected publications

Shown below are selected publications by NEXTA researchers during the Tatara Project since 2018. At NEXTA, both fundamental and applied research projects on metal materials are being conducted in cooperation with joint institutes such as the University of Oxford.

                                               Auhors and title                                                                     
2024

Manabe, N; Suzuki, AS; Ninagawa, M; Wakabayashi, H; Hirayama, N; Niinobe, K; Tang, YT; Utada, S; McCartney, DG; Reed, RC; Kitagawa, H: “Ultralow-Temperature Sintering of Titanium Powder by Spark Plasma Sintering under Cyclic Pressure,” Advanced Engineering Materials, 26 (2024) 2400965.
https://doi.org/10.1002/adem.202400965
Graphical abstract with a short summary_

Mukherjee, T; Shinjo, J; DebRoy, T; Panwisawas, C; “Integrated modeling to control vaporization-induced composition change during additive manufacturing of nickel-based superalloys,” npj Computational Materials, 10 (2024) 230.
https://doi.org/10.1038/s41524-024-01418-z
Shinjo-npjComputMater-2024
Aliyu, AAA; Puncreobutr, C; Kuimalee, S; Phetrattanarangsi, T; Boonchuduang, T; Taweekitikul, P; Panwisawas, C; Shinjo, J; Lohwongwatana, B; “Laser-inherent porosity defects in additively manufactured Ti-6Al-4V implant: Formation, distribution, and effect on fatigue performance,” Journal of Materials Research and Technology, 30 (2024) 5121-5132.
https://doi.org/10.1016/j.jmrt.2024.04.225
Zhang, K; Chen, Y; Marussi, S; Fan, X; Fitzpatrick, M; Bhagavath, S; Majkut, M; Lukic, B; Jakata, K; Rack, A; Jones, MA; Shinjo, J; Panwisawas, C; Leung, CLA; Lee, PD; “Pore evolution mechanisms during directed energy deposition additive manufacturing,” Nature Communications, 15 (2024) 1715.
https://doi.org/10.1038/s41467-024-45913-9
Shinjo_NatCommun_2024
Shinjo, J; Kutsukake, A; Wakabayashi, H; Arakawa, K; Ogawara, A; Uchida, H; Panwisawas, C; Reed, RC; “In-process monitoring and direct simulation of Argon shielding gas and vapour dynamics to control laser-matter interaction in laser powder bed fusion additive manufacturing,” Additive Manufacturing, 80 (2024) 103953.
https://doi.org/10.1016/j.addma.2023.103953
Shinjo_AdditManuf_2024
2023 Shibata, A; Miyamoto, G; Morito, S; Nakamura, A; Moronaga, T; Kitano, H; Gutierrez-Urrutia, I; Hara, T; Tsuzaki, K; “Substructure and crystallography of lath martensite in as-quenched interstitial-free steel and low-carbon steel,” Acta Materialia, 246 (2023) 118675.
https://doi.org/10.1016/j.actamat.2023.118675
Morito_ActaMater_2023
Dai, G; Sun, Z; Li, Y; Jain, J; Bhowmik, A; Shinjo, J; Lu, J; Panwisawas, C; “Grain refinement and columnar to equiaxed transition of Ti6Al4V during additive manufacturing via different laser oscillations,” International Journal of Machine Tools and Manufacture, 189 (2023) 104031.
https://doi.org/10.1016/j.ijmachtools.2023.104031
Shinjo, J; Kutsukake, A; Arote A; Tang, YT; McCartney, DG; Reed, RC; Panwisawas, C, “Physics-based thermal-chemical-fluid-microstructure modelling of in-situ alloying using additive manufacturing: Composition-microstructure control,” Additive Manufacturing, 64 (2023) 103428
https://doi.org/10.1016/j.addma.2023.103428
2022 Tang, YT; Pham, AH; Morito, S; McCartney, DG; Reed, RC, “On the solid-state dendritic growth of M7C3 carbide at interfaces in an austenitic system,” Scripta Materialia, 213 (2022) 114585
https://doi.org/10.1016/j.scriptamat.2022.114585
Shiojiri, D; Iida, T; Kakio, H; Yamaguchi, M; Hirayama, N; Imai, Y, “Enhancement of thermoelectric performance of Mg2Si via co-doping Sb and C by simultaneous tuning of electronic and thermal transport properties,” Journal of Alloys and Compounds, 891 (2022) 161968
https://doi.org/10.1016/j.jallcom.2021.161968
Shinjo, J; Panwisawas, C, “Chemical species mixing during direct energy deposition of bimetallic systems using titanium and dissimilar refractory metals for repair and biomedical applications,” Additive Manufacturing, 51 (2022) 102654
https://doi.org/10.1016/j.addma.2022.102654

Hara, T; Habe, M; Nakanishi, H; Fujimura, T; Sasai, R; Moriyoshi, C; Kawaguchi, S; Ichikuni, N; Shimazu, S, “Specific lift-up behaviour of acetate-intercalated layered yttrium hydroxide interlayer in water: application for heterogeneous Bronsted base catalysts toward Knoevenagel reactions,” Catalysis Science & Technology, 12 (2022) 2061-2070
https://doi.org/10.1039/d1cy02328d

2021 Shinjo, J; Panwisawas, C, “Digital materials design by thermal-fluid science for multi-metal additive manufacturing,” Acta Materialia, 210 (2021) 116825
https://doi.org/10.1016/j.actamat.2021.116825
Panwisawas, C; Gong, YL; Tang, YT; Reed, RC; Shinjo, J, “Additive manufacturability of superalloys: Process-induced porosity, cooling rate and metal vapour,” Additive Manufacturing, 47 (2021) 102339
https://doi.org/10.1016/j.addma.2021.102339
2020 Arakawa, K; Marinica, MC; Fitzgerald, S; Proville, L; Duc, NM; Dudarev, SL; Ma, PW; Swinburne, TD; Goryaeva, AM; Yamada, T; Amino, T; Arai, S; Yamamoto, Y; Higuchi, K; Tanaka, N; Yasuda, H; Yasuda, T; Mori, H, “Quantum de-trapping and transport of heavy defects in tungsten,” Nature Materials, 19 (2020) 508-511
https://doi.org/10.1038/s41563-019-0584-0

Du, JP; Geng, WT; Arakawa, K; Li, J; Ogata, S, “Hydrogen-Enhanced Vacancy Diffusion in Metals,” Journal of Physical Chemistry Letters, 11 (2020) 7015-7020
https://doi.org/10.1021/acs.jpclett.0c01798

2018 Suzuki, A; Kitagawa, H; Ido, S; Pham, AH; Morito, S; Etoh, T; Kikuchi, K, “Microstructure control of Bi0.4Sb1.6Te3 thermoelectric material by pulse-current sintering under cyclic uniaxial pressure,” Journal of Alloys and Compounds, 742 (2018)  240-247
https://doi.org/10.1016/j.jallcom.2018.01.269

●Grant-in-Aid for Scientific Research ( since 2018 )
J. Shinjo, Grant-in-Aid for Scientific Research(B),Development of a novel spray simulator and elucidation of spray formation mechanisms based on ISS atomization experiments,April 2018 to March 2020

●Consignment research
2018  3 subjects 16,681 k yen
2019  2 subjects 1,616 k yen
2020  2 subjects 4,869 k yen
2021  5 subjects 12,677 k yen
2022  4 subjects 18,470 k yen


●Joint  research
2018   6 subjects 13,481 k yen
2019   7 subjects 70,783 k yen
2020   6 subjects 49,333 k yen
2021   10 subjects 81,014 k yen
2022   5 subjects 89,121 k yen