Characterization of austenite grain structure evolution through metastable ferrite nucleation and ferrite-austenite transformation in Fe-Mn-C austenitic steel using X-ray imaging techniques Taka Narumi, Kengo Fujita, Makoto Ohta, Ryoji Katsube, Hideyuki Yasuda: IOP Conference Series: Materials Science and Engineering, 1335(1) 012006. https://doi.org/10.1088/1757-899x/1335/1/012006
Observation of equiaxed dendrite growth and motion in Al-Cu alloy using 4D-CT Taka Narumi, Takahiro Shimokawa, Sota Nakano, Ryoji Katsube, Hideyuki Yasuda: IOP Conference Series: Materials Science and Engineering 1335(1) 012005. https://doi.org/10.1088/1757-899x/1335/1/012005
Equiaxed Solidification of Metastable Ferrite in Fe-22mass%Mn-0.7mass%C-0.3mass%Ti Alloy Nucleating on Ti Carbonitride Taka Narumi, Makoto Ohta, Kengo Fujita, Ryoji Katsube, Hideyuki Yasuda: Tetsu-to-Hagane- 111(3) 163-174. https://doi.org/10.2355/tetsutohagane.tetsu-2024-125
Nucleation-controlled Selection of Metastable Ferrite in Solidification of Fe-22mass%Mn-0.7mass%C Alloy Taka Narumi, Makoto Ohta, Kengo Fujita, Ryoji Katsube, Hideyuki Yasuda: ISIJ International, 64(12) 1758-1767. https://doi.org/10.2355/isijinternational.isijint-2024-185
Solidification microstructures of V-Nb-Mo-Ta-W alloys: Insights from non-equiatomic alloys Ryoji Katsube, Shigehiro Tokuri, Keita Nakano, Taka Narumi, Hideyuki Yasuda: Journal of Alloys and Compounds, 981 173656. https://doi.org/10.1016/j.jallcom.2024.173656
Benchmark Experiment to Evaluate Macrosegregation Generated by Bridging and Solidification Shrinkage Flow Yukinobu Natsume, Muneto Sasaki, Taka Narumi, Hideyuki Yasuda, Hisao Esaka: ISIJ International, 63(7) 1114-1121. https://doi.org/10.2355/isijinternational.isijint-2022-492
Solidification sequence of CrMnFeCoCu dual-FCC multicomponent alloy Ryoji Katsube, Litian Luo, Keita Nakano, Taka Narumi, Hideyuki Yasuda: Scripta Materialia, 231 115459. https://doi.org/10.1016/j.scriptamat.2023.115459
In situ observation of solidification in peritectic steels and evaluation of the strains induced in the solidifying shell Hideyuki Yasuda, Taka Narumi, Ryoji Katsube, Yukihiro Nanri: IOP Conference Series: Materials Science and Engineering, 1281(1) 012032. https://doi.org/10.1088/1757-899x/1281/1/012032
Reconstruction of dendritic growth by fast tomography and phase field filtering Hideyuki Yasuda, Arisa Nishiguchi, Haoyan Xue, Minori Nonomura, Keita Nakano, Ryoji Katsube, Taka Narumi, Tomohiro Takaki: IOP Conference Series: Materials Science and Engineering, 1281(1) 012064. https://doi.org/10.1088/1757-899x/1281/1/012064
Microstructure evolution induced by solidification and ferrite-austenite massive-like transformation in Fe-C alloys Sota Tsuji, Yukihiro Nanri, Taka Narumi, Ryoji Katsube, Hideyuki Yasuda: IOP Conference Series: Materials Science and Engineering, 1274(1) 012055. https://doi.org/10.1088/1757-899x/1274/1/012055
Observation of grain motion during semisolid deformation by using 4D-CT and 3DXRD Taka Narumi, Koki Ohta, Makoto Ohta, Taisuke Numata, Kentaro Asahi, Ryoji Katsube, Hideyuki Yasuda: IOP Conference Series: Materials Science and Engineering, 1274(1) 012053. https://doi.org/10.1088/1757-899x/1274/1/012053
A Modified Random Sampling Method Using Unidirectionally Solidified Specimen: Solute Partition Coefficients in Fe–Cr–Ni–Mo–Cu Alloys Yusuke Kobayashi, Hidekazu Todoroki, Keita Nakano, Taka Narumi, Hideyuki Yasuda： ISIJ International, 61(6) 1879-1888. https://doi.org/10.2355/isijinternational.isijint-2020-775
Time-resolved and in-situ Observation of Semisolid Deformation in Al–Cu Alloys with Equiaxed and Columnar Grain Structures by Using a Combination Technique of 4D-CT and 3DXRD Taka Narumi, Takumi Nakata, Ryuya Kobayashi, Hideyuki Yasuda: ISIJ International, 61(5) 1567-1578. https://doi.org/10.2355/isijinternational.isijint-2020-650
Transformation from Ferrite to Austenite during/after Solidification in Peritectic Steel Systems: an X-ray Imaging Study Hideyuki Yasuda, Kohei Morishita, Masato Yoshiya, Taka Narumi: ISIJ International 60(12) 2755-2764. https://doi.org/10.2355/isijinternational.isijint-2020-486
Quantitative analysis of solidification of equiaxed grains in Al-Cu alloy refined by inoculant TiB2 particles with using time-resolved X-ray tomography Taka Narumi, Takuya Kawarasaki, Yuichi Kato, Kouhei Morishita, Hideyuki Yasuda: Journal of The Japan Institute of Light Metals, 70(8) 339-346. https://doi.org/10.2464/jilm.70.339
Observation of semisolid deformation by using 4D-CT and 3DXRD Taka Narumi, Takumi Nakata, Hideyuki Yasuda: IOP Conference Series: Materials Science and Engineering, 861(1) 012065. https://doi.org/10.1088/1757-899x/861/1/012065
In situ observation of austenite coarsening induced by massive-like transformation during solidification in Fe–C alloys Hideyuki Yasuda, Takeru Suga, Kodai Ichida, Taka Narumi, Kohei Morishita: IOP Conference Series: Materials Science and Engineering, 861(1) 012051. https://doi.org/10.1088/1757-899x/861/1/012051
3C–, 4H–, and 6H–SiC crystal habitus and interfacial behaviours in high temperature Si-based solvents Taka Narumi, Didier Chaussende, Takeshi Yoshikawa: CrystEngComm, 22(20) 3489-3496. https://doi.org/10.1039/d0ce00521e
Characterization of Growing Dendrites in CrMnFeCoNi High-Entropy Alloy by Time-Resolved and In-Situ Tomography Keita Nakano, Taka Narumi, Kohei Morishita, Hideyuki Yasuda: MATERIALS TRANSACTIONS, 61(4) 596-604. https://doi.org/10.2320/matertrans.mt-mk2019006
Time Evolution of Solidification Structure in Ductile Cast Iron with Hypereutectic Compositions Kiattisaksri Chatchari, Akira Sugiyama, Kohei Morishita, Taka Narumi, Kentaro Kajiwara, Hideyuki Yasuda: International Journal of Metalcasting, 14(3) 794-801. https://doi.org/10.1007/s40962-020-00424-3
Molecular Dynamics Study of the Effect of Carbon Atoms on the Surface Tension of Silicon–carbon Alloy Taka Narumi, Yasushi Shibuta, Takeshi Yoshikawa: ISIJ International, 60(2) 199-204. https://doi.org/10.2355/isijinternational.isijint-2019-308
Molecular dynamics simulation of interfacial growth of SiC from Si–C solution on different growth planes Taka Narumi, Yasushi Shibuta, Takeshi Yoshikawa: Journal of Crystal Growth, 494 36-43. https://doi.org/10.1016/j.jcrysgro.2018.05.003
Solution growth of silicon carbide using unary chromium solvent Ryo Miyasaka, Sakiko Kawanishi, Taka Narumi, Hideaki Sasaki, Takeshi Yoshikawa, Masafumi Maeda: Journal of Crystal Growth, 460 23-26. https://doi.org/10.1016/j.jcrysgro.2016.12.049
Thermodynamic evaluation of the C–Cr–Si, C–Ti–Si, and C–Fe–Si systems for rapid solution growth of SiC Taka Narumi, Sakiko Kawanishi, Takeshi Yoshikawa, Kazuhiko Kusunoki, Kazuhito Kamei, Hironori Daikoku, Hidemitsu Sakamoto: Journal of Crystal Growth, 408 25-31. https://doi.org/10.1016/j.jcrysgro.2014.08.027
