日本学術振興会特別研究員(DC1)

2009.4 - 2011.3

Science and Technology of Advanced Materials   Subject Editor  

2017.4   

Insights into the microstructures and mechanical properties of magnesium–calcium–transition elements: a combined experimental and simulation study Reviewed

Mingzhe Bian, Yusuke Matsuoka, Xinsheng Huang, Yuya Ishiguro, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

Acta Materialia   Vol. 254   page： 118958   2023.8

Improving the mechanical and corrosion properties of pure magnesium by parts-per-million-level alloying Reviewed

Mingzhe Bian, Isao Nakatsugawa, Yusuke Matsuoka, Xinsheng Huang, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

Acta Materialia   Vol. 241   page： 118393   2022.12

A generalized framework of multifidelity max-value entropy search through joint entropy Reviewed

Shion Takeno, Hitoshi Fukuoka, Yuhki Tsukada, Toshiyuki Koyama, Motoki Shiga, Ichiro Takeuchi, Masayuki Karasuyama

Neural Computation   Vol. 34   page： 2145 - 2203   2022.9

Prediction of grain boundary chemistry in multicomponent alloys Reviewed

Masataka Funamoto, Yusuke Matsuoka, Yuhki Tsukada, Toshiyuki Koyama

Science and Technology of Advanced Materials: Methods   Vol. 2   page： 322 - 333   2022.8

Thermodynamic and atomic mobility assessment of the Co–Fe–Mn system Reviewed

Sri Pragna Pendem, Nobufumi Ueshima, Katsunari Oikawa, Yuhki Tsukada, Toshiyuki Koyama

Journal of Materials Science   Vol. 57   page： 15999 - 16015   2022.8

Multimetastability effect on the intermediate stage of phase separation in BaO-SiO₂ glass Reviewed

Katsuaki Nakazawa, Yuhki Tsukada, Shin-ichi Amma, Kazutaka Mitsuishi, Kiyou Shibata, Teruyasu Mizoguchi

Physical Review Research   Vol. 4   page： 033052   2022.7

Simulation-aided analysis on mechanical properties of dilute Mg-Zn-Ca alloy sheets Reviewed

Yusuke Matsuoka, Mingzhe Bian, Xinsheng Huang, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

Journal of Alloys and Compounds   Vol. 906   page： 164285   2022.6

Effect of bending and tension deformation on the texture evolution and stretch formability of Mg–Zn–RE–Zr alloy Reviewed

Yuya Ishiguro, Xinsheng Huang, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

International Journal of Minerals, Metallurgy and Materials   Vol. 29   page： 1334 - 1342   2022.6

Simple approach for evaluating the possibility of sluggish diffusion in high-entropy alloys Reviewed

Toshiyuki Koyama, Yuhki Tsukada, Taichi Abe

Journal of Phase Equilibria and Diffusion   Vol. 43   page： 68 - 77   2022.2

Computational thermodynamics and microstructure simulations to understand the role of grain boundary phase in Nd-Fe-B hard magnets Reviewed

Toshiyuki Koyama, Yuhki Tsukada, Taichi Abe

Journal of the Japan Society of Powder and Powder Metallurgy   Vol. 69   page： S63 - S73   2022.1

Prediction of precipitate shape and estimation of material parameters based on microstructure data Invited Reviewed

Yuhki Tsukada, Toshiyuki Koyama

Materia Japan   Vol. 60 ( 12 ) page： 775 - 783   2021.12

Adjoint model for estimating material parameters based on microstructure evolution during spinodal decomposition Reviewed

Yuki Matsuura, Yuhki Tsukada, Toshiyuki Koyama

Physical Review Materials   Vol. 5   page： 113801   2021.11

Relationship between calculated segregation, texture and room temperature formability of binary magnesium alloys Reviewed

Hideyuki Tachi, Kazutaka Suzuki, Xinsheng Huang, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

Journal of the Japan Institute of Metals and Materials   Vol. 85 ( 10 ) page： 382 - 390   2021.10

Ludwig–Soret effect formulated from the grain-boundary-phase model Reviewed

Toshiyuki Koyama, Yuhki Tsukada

Calphad   Vol. 73   page： 102269   2021.6

Effect of bending–tension deformation on texture evolution and room temperature formability of AZ31 alloy sheet rolled at high temperature Reviewed

Yuya Ishiguro, Xinsheng Huang, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

Journal of the Japan Institute of Metals and Materials   Vol. 85 ( 4 ) page： 129 - 137   2021.4

Understanding the anomalous discontinuous precipitation in Cu–Ni–X (X = Co,Fe) alloys based on CALPHAD method and phase–field simulation Reviewed

Jundai Goto, Toshiyuki Koyama, Yuhki Tsukada

Journal of the Japan Institute of Metals and Materials   Vol. 85 ( 3 ) page： 89 - 94   2021.3

Effect of rolling temperature on room temperature formability and texture formation of Mg-3 mass％Al-1 mass％Sn alloy sheet Reviewed

Hitoshi Fukuoka, Xinsheng Huang, Kazutaka Suzuki, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

Journal of the Japan Institute of Metals and Materials   Vol. 85 ( 3 ) page： 120 - 127   2021.3

Computational thermodynamics and microstructure simulations to understand the role of grain boundary phase in Nd-Fe-B hard magnets Reviewed

Toshiyuki Koyama, Yuhki Tsukada, Taichi Abe

Science and Technology of Advanced Materials   Vol. 22 ( 1 ) page： 1 - 13   2021.1

Microstructure simulation and estimation of material parameters Invited Reviewed

Yuhki Tsukada

Bulletin of The Iron and Steel Institute of Japan   Vol. 25 ( 11 ) page： 710 - 715   2020.11

Significantly fast spinodal decomposition and inhomogeneous nanoscale martensitic transformation in Ti-Nb-O alloys Reviewed

Yuya Ishiguro, Yuhki Tsukada, Toshiyuki Koyama

MATEC Web of Conferences   Vol. 321   page： 11049   2020.10

Calculated grain boundary segregation in Mg-Zn-Ca alloys and its correlation to the texture formation and formability of the alloys Reviewed

Yuya Ishiguro, Xinsheng Huang, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

Journal of the Japan Institute of Metals and Materials   Vol. 84 ( 10 ) page： 318 - 325   2020.10

Prediction of rafting kinetics of practical Ni-based single-crystal superalloys Reviewed

Yusuke Matsuoka, Yuhki Tsukada, Toshiyuki Koyama

Superalloys 2020     page： 292 - 302   2020.8

Cost-effective search for lower-error region in material parameter space using multifidelity Gaussian process modeling Reviewed

Shion Takeno, Yuhki Tsukada, Hitoshi Fukuoka, Toshiyuki Koyama, Motoki Shiga, Masayuki Karasuyama

Physical Review Materials   Vol. 4   page： 083802   2020.8

Multi-fidelity Bayesian optimization with max-value entropy search and its parallelization Reviewed

Shion Takeno, Hitoshi Fukuoka, Yuhki Tsukada, Toshiyuki Koyama, Motoki Shiga, Ichiro Takeuchi, Masayuki Karasuyama

Proceedings of the 37th International Conference on Machine Learning, Proceedings of Machine Learning Research   Vol. 119   page： 9334 - 9345   2020.7

Phase-field study of the spinodal decomposition rate of β phase in oxygen-added Ti-Nb alloys Reviewed

Yuya Ishiguro, Yuhki Tsukada, Toshiyuki Koyama

Computational Materials Science   Vol. 174   page： 109471   2020.3

Estimation of material parameters based on precipitate shape: efficient identification of low-error region with Gaussian process modeling Reviewed

Yuhki Tsukada, Shion Takeno, Masayuki Karasuyama, Hitoshi Fukuoka, Motoki Shiga, Toshiyuki Koyama

Scientific Reports   Vol. 9   page： 15794   2019.10

Phase-field simulation and machine learning for predicting rafting kinetics in Ni-based superalloys Reviewed

Yusuke Matsuoka, Yuhki Tsukada, Toshiyuki Koyama

Joint EPRI-123HiMAT International Conference on Advances in High-Temperature Materials     page： 496 - 505   2019.10

Effects of bending and tension deformation on texture evolution and room temperature formability of AZ31B alloy sheets Reviewed

Tomoyuki Noguchi, Kazutaka Suzuki, Xinsheng Huang, Naobumi Saito, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

Journal of the Japan Institute of Metals and Materials   Vol. 83 ( 6 ) page： 212 - 220   2019.6

Phase-field simulation of the effect of interphase boundary diffusion on pearlite transformation in Fe-C system Reviewed

Masato Mouri, Yuhki Tsukada, Toshiyuki Koyama

Tetsu-to-Hagané   Vol. 105 ( 2 ) page： 305 - 313   2019.2

Applicability of data science mehod on materials science and engineering Invited Reviewed

Toshiyuki Koyama, Yuhki Tsukada

Bulletin of The Iron and Steel Institute of Japan   Vol. 23 ( 12 ) page： 680 - 686   2018.12

Phase-field simulation of spinodal decomposition and its effect on stress-induced martensitic transformation in Ti-Nb-O alloys Reviewed

Yuya Ishiguro, Yuhki Tsukada, Toshiyuki Koyama

Computational Materials Science   Vol. 151   page： 222 - 230   2018.8

Effects of calcium concentration on room temperature formability and damping properties Reviewed

Tomoyuki Noguchi, Kazutaka Suzuki, Xinsheng Huang, Naobumi Saito, Yuhki Tsukada, Toshiyuki Koyama, Yasumasa Chino

Journal of the Japan Institute of Metals and Materials   Vol. 82 ( 7 ) page： 249 - 255   2018.7

Phase-field simualtion and machine learning for microstructure control in low-carbon steels Invited

Yuhki Tsukada, Toshiyuki Koyama

Chemical Industry   Vol. 69 ( 1 ) page： 65 - 69   2018.1

Slip deformation and habit plane formation during martensitic tranasformation Invited Reviewed

Yuhki Tsukada

Bulletin of The Iron and Steel Institute of Japan   Vol. 23 ( 1 ) page： 31 - 34   2018.1

Phase-field simulation of the effect of yield stress on the martensitic transformation in low-carbon steels Reviewed

Yuhki Tsukada, Emi Harata, Toshiyuki Koyama

Proceedings of the 5th International Symposium on Steel Science (ISSS2017)     page： 127 - 130   2017.11

Phase-field simulation of rafting kinetics in a nickel-based single crystal superalloy Reviewed

Yuhki Tsukada, Toshiyuki Koyama, Fuminori Kubota, Yoshinori Murata, Yoshihiro Kondo

Intermetallics   Vol. 85   page： 187 - 196   2017.6

Uncertainty quantification based on 2nd-order adjoint method for data assimilation using massive simulation models

Shinichi Ito, Hiromichi Nagao, Akinori Yamanaka, Yuhki Tsukada, Toshiyuki Koyama, Masayuki Kano, Junya Inoue

KAIYO MONTHLY / SPECIAL   ( 59 ) page： 76 - 82   2017.3

Phase-field simulation on the formation of grain boundary phase in neodymium hard magnet Reviewed

Toshiyuki Koyama, Yuhki Tsukada, Taichi Abe, Yoshinao Kobayashi

Journal of the Japan Institute of Metals and Materials   Vol. 81 ( 1 ) page： 43 - 48   2016.12

Data assimilation for massive autonomous systems based on a second-order adjoint method Reviewed

Shin-ichi Ito, Hiromichi Nagao, Akinori Yamanaka, Yuhki Tsukada, Toshiyuki Koyama, Masayuki Kano, Junya Inoue

Physical Review E   Vol. 94   page： 043307   2016.10

Simulation of dislocation recovery in lath martensite steels using the phase-field method Reviewed

Sho Furukawa, Hiroto Ihara, Yoshinori Murata, Yuhki Tsukada, Toshiyuki Koyama

Computational Materials Science   Vol. 119   page： 108 - 113   2016.6

Phase-field simulation of habit plane formation during martensitic transformation in low-carbon steels Reviewed

Yuhki Tsukada, Yasuhiro Kojima, Toshiyuki Koyama, Yoshinori Murata

ISIJ International   Vol. 55 ( 11 ) page： 2455 - 2462   2015.12

Phase-field simulation of the stability of reaction phases at UO₂/β-Zr interface Reviewed

Yuki Nishida, Yuhki Tsukada, Toshiyuki Koyama, Masaki Kurata

Journal of Nuclear Materials   Vol. 466   page： 551 - 559   2015.11

Phase-field modelling on the formation process of LPSO structure in Mg-Y-Zn system Reviewed

Toshiyuki Koyama, Yuhki Tsukada, Kesuke Narita

Materials Transactions   Vol. 56 ( 7 ) page： 937 - 942   2015.6

Morphology of γ' precipitate in NKH71 nickel based superalloy depending on heat treatment Reviewed

Takaoki Takeshita, Yoshinori Murata, Nobuhiro Miura, Yoshihiro Kondo, Yuhki Tsukada, Toshiyuki Koyama

Journal of the Japan Institute of Metals and Materials   Vol. 79 ( 4 ) page： 203 - 209   2015.4

Origin of the morphological change from rafted structure to irregular shape of the γ' phase in single crystal nickel-based superalloys Reviewed

T. Tanimoto, Md. Moniruzzaman, Y. Murata, N. Miura, Y. Kondo, Y. Tsukada, T. Koyama

Computational Materials Science   Vol. 93   page： 56 - 61   2014.10

Morphology of the γ' phase in a nickel-based single crystal superalloy NKH71 with several heat treatments Reviewed

Takaoki Takeshita, Yoshinori Murata, Nobuhiro Miura, Yoshihiro Kondo, Yuhki Tsukada, Toshiyuki Koyama, Akira Yoshinari

Materials for Advanced Power Engineering 2014     page： 553 - 560   2014.9

Equilibrium shape of isolated precipitates in the α-Mg phase Reviewed

Yuhki Tsukada, Yuki Beniya, Toshiyuki Koyama

Journal of Alloys and Compounds   Vol. 603   page： 65 - 74   2014.8

Estimation of γ/γ' diffusion mobility and three-dimensional phase-field simulation of rafting in a commercial nickel-based superalloy Reviewed

Yuhki Tsukada, Toshiyuki Koyama, Yoshinori Murata, Nobuhiro Miura, Yoshihiro Kondo

Computational Materials Science   Vol. 83   page： 371 - 374   2014.2

Phase-field simulation of spinodal decomposition on metastable hexagonal close-packed phase in magnesium-yttrium-zinc alloy Reviewed

Keisuke Narita, Toshiyuki Koyama, Yuhki Tsukada

Materials Transactions   Vol. 54 ( 5 ) page： 661 - 667   2013.4

Phase-field simulation of microstructural evolution in nickel-based superalloys during creep and in low carbon steels during martensite transformation Invited Reviewed

Yoshinori Murata, Yuhki Tsukada, Toshiyuki Koyama

Advanced Materials Modelling for Structures     page： 275 - 284   2013.2

Elasto-plastic phase-field simulation of martensitic transformation in lath martensite steels Reviewed

Zhenhua Cong, Yoshinori Murata, Yuhki Tsukada, Toshiyuki Koyama

Philosophical Magazine   Vol. 93 ( 14 ) page： 1739 - 1747   2013.1

Phase-field simulation of rafting caused by creep deformation in Ni-based superalloys Reviewed

Yuhki Tsukada, Yoshinori Murata, Toshiyuki Koyama

Creep and Fracture of Engineering Materials and Structures     page： A07   2012.11

Phase field simulation of the sub-block microstructure in lath martensitic steels Reviewed

Zhenhua Cong, Yoshinori Murata, Yuhki Tsukada, Toshiyuki Koyama

Materials Transactions   Vol. 53 ( 10 ) page： 1822 - 1825   2012.9

Coupled analysis of microstructure evolution with creep deformation in nickel-based superalloys by the phase-field method Reviewed

Yuhki Tsukada, Yoshinori Murata, Toshiyuki Koyama, Nobuhiro Miura, Yoshihiro Kondo

Superalloys 2012     page： 111 - 119   2012.9

Prediction of the maximum dislocation density in lath martensitic steel by elasto-plastic phase-field method Reviewed

Zhenhua Cong, Yoshinori Murata, Yuhki Tsukada, Toshiyuki Koyama

Materials Transactions   Vol. 53 ( 9 ) page： 1598 - 1603   2012.8

Analyses of the metastable hcp phase separation in Mg-Y-Zn alloy on the basis of the phase-field method Reviewed

Keisuke Narita, Toshiyuki Koyama, Yuhki Tsukada

Journal of the Japan Institute of Metals   Vol. 76 ( 8 ) page： 475 - 481   2012.8

Phase-field simulation of the collapse of the rafted structure in Ni-based superalloys Reviewed

Toshiya Tanimoto, Yuhki Tsukada, Yoshinori Murata, Toshiyuki Koyama

Defect and Diffusion Forum   Vol. 326-328   page： 446 - 451   2012.4

Formation mechanism of the hierarchic structure in the lath martensite phase in steels Reviewed

Kazuhiro Iwashita, Yoshinori Murata, Yuhki Tsukada, Toshiyuki Koyama

Philosophical Magazine   Vol. 91 ( 35 ) page： 4495 - 4513   2011.9

Creep deformation and rafting in nickel-based superalloys simulated by the phase-field method using classical flow and creep theories Reviewed

Yuhki Tsukada, Yoshinori Murata, Toshiyuki Koyama, Nobuhiro Miura, Yoshihiro Kondo

Acta Materialia   Vol. 59 ( 16 ) page： 6378 - 6386   2011.9

Phase-field simulation of microstructure evolution in Ni-based superalloys Reviewed

Yuhki Tsukada, Yoshinori Murata, Toshiyuki Koyama, Masahiko Morinaga

Materials for Advanced Power Engineering 2010     page： 759 - 768   2010.9

Phase-field simulation on phase transformation during creep deformation in type 304 steel Reviewed

Yuhki Tsukada, Atsuhiro Shiraki, Yoshinori Murata, Shigeru Takaya, Toshiyuki Koyama, Masahiko Morinaga

Materials Science Forum   Vol. 654-656   page： 492 - 495   2010.6

Stress dependence of microstructural evolution in heat resistant steels Reviewed

Yoshinori Murata, Yoshihiro Saito, Yuhki Tsukada, Toshiyuki Koyama, Masahiko Morinaga, Yasutoshi Sasaki, Yasushi Hasegawa

Materials Science Forum   Vol. 654-656   page： 190 - 193   2010.6

Phase-field simulation of nucleation and growth of M₂₃C₆ carbide and ferromagnetic phases during creep deformation in type 304 steel Reviewed

Yuhki Tsukada, Atsuhiro Shiraki, Yoshinori Murata, Shigeru Takaya, Toshiyuki Koyama, Masahiko Morinaga

Journal of Nuclear Materials   Vol. 401 ( 1-3 ) page： 154 - 158   2010.6

Precipitation of ferromagnetic phase induced by defect energies during creep deformation in type 304 austenitic steel Reviewed

Yuhki Tsukada, Atsuhiro Shiraki, Yoshinori Murata, Shigeru Takaya, Toshiyuki Koyama, Masahiko Morinaga

Journal of Nuclear Materials   Vol. 401 ( 1-3 ) page： 13 - 16   2010.6

Phase-field simulation on coarsening of the γ' phase particles in Ni-based superalloys considering elastic inhomogeneity Invited Reviewed

Yuhki Tsukada, Yoshinori Murata, Toshiyuki Koyama, Masahiko Morinaga

Defect and Diffusion Forum   Vol. 297-301   page： 376 - 383   2010.4

Formation of the modulated structure in a steel by the addition of a strong carbide forming element Reviewed

Yoshinori Murata, Takuya Kita, Tatsuya Tsukamoto, Yuhki Tsukada, Toshiyuki Koyama, Masahiko Morinaga

Defect and Diffusion Forum   Vol. 297-301   page： 472 - 476   2010.4

Phase-field simulation of the effect of elastic inhomogeneity on microstructure evolution in Ni-based superalloys Reviewed

Yuhki Tsukada, Yoshinori Murata, Toshiyuki Koyama, Masahiko Morinaga

Materials Transactions   Vol. 50 ( 4 ) page： 744 - 748   2009.3

Phase-field simulation on the formation and collapse processes of the rafted structure in Ni-based superalloys Reviewed

Yuhki Tsukada, Yoshinori Murata, Toshiyuki Koyama, Masahiko Morinaga

Materials Transactions   Vol. 49 ( 3 ) page： 484 - 488   2008.2

Phase diagram and precipitation behaviour in Ni-rich region of Ni-Ta-Al ternary system Reviewed

Yuhki Tsukada, Koichi Hasuike, Yoshinori Murata, Masahiko Morinaga

Materials Science Forum   Vol. 561-565   page： 2329 - 2332   2007.10

耐熱合金の高温クリープ強度予測のための内部組織形成シミュレーション

2014.4 - 2016.3

岩谷直治記念財団  岩谷科学技術研究助成 

フェーズフィールド法による高強度鋼のマルテンサイト組織形成機構の解明

2014.4 - 2016.3

日本鉄鋼協会  鉄鋼研究振興助成 

ニッケル基超合金におけるミクロ組織依存の不均一クリープのフェーズフィールドシミュレーション

2013.1

矢崎科学技術振興記念財団  国際交流援助 

フェーズフィールド法によるミクロ組織の定量化と構造材料の新しい設計指針の提示

2009.4 - 2012.3

科学研究費補助金 

Materials Engineering Exercises

2023

Experiments 1

2023

Introduction to Materials Engineering

2023

Materials Quantum Chemistry

2022

Computer Literacy and Programming

2022

Experiments 1

2022

Materials Engineering Exercises

2022

Introduction to Materials Engineering

2022

Integration of Materials Design

2022

Exercises on Solid State Physics

2022

Exercises on Solid State Physics

2021

Materials Quantum Chemistry

2021

Computer Literacy and Programming

2021

Integration of Materials Design

2021

Materials Engineering Exercises

2021

Introduction to Materials Engineering

2021

Experiments 1

2021

Experiments 1

2020

Exercises on Solid State Physics

2020

Materials Quantum Chemistry

2020

Computer Literacy and Programming

2020

Materials Engineering Exercises

2020

Introduction to Materials Engineering

2020

Integration of Materials Design

2020