Ikumu Watanabe @ NIMS  
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International Journal
  1. W. Weng, X. Zheng, M. Tenjimbayashi, I. Watanabe, and M. Naito, De-icing performance evolution with increasing hydrophobicity by regulating surface topography, Science and Technology of Advanced Materials (2024) 2334199 accepted.
    DOI: https://doi.org/10.1080/14686996.2024.2334199
  2. J. Zhou, I. Watanabe, W. Song, K. Kambayashi, and T. Chen, Multi-objective topology optimization of porous microstructure in die-bonding layer of a semiconductor, Science and Technology of Advanced Materials: Methods 4 (2024) 2320691.
    DOI: https://doi.org/10.1080/27660400.2024.2320691
  3. S. Yanagawa and I. Watanabe, Multiscale finite element analysis of yield-point phenomenon in ferrite-pearlite duplex steels, ISIJ International 64 (2024) 874-880.
    DOI: https://doi.org/10.2355/isijinternational.ISIJINT-2023-470
  4. X. Zheng, I. Watanabe, S. Wang, T. Chen, and M. Naito, Minimal-surface-based multiphase metamaterials with highly variable stiffness, Materials & Design 237 (2024) 112548.
    DOI: https://doi.org/10.1016/j.matdes.2023.112548
  5. X. Zheng, T. Chen, X. Jiang, M. Naito, and I. Watanabe, Deep-learning-based inverse design of three-dimensional architected cellular materials with the target porosity and stiffness using voxelized Voronoi lattices, Science and Technology of Advanced Materials 24 (2023) 2157682.
    DOI: https://doi.org/10.1080/14686996.2022.2157682
  6. T. Matsuno, T. Fujita, T. Matsuda, Y. Shibayama, T. Hojo, and I. Watanabe, Unstable stress-triaxiality development and contrasting weakening in two types of high-strength transformation-induced plasticity (TRIP) steels: Insights from a new compact tensile testing method, Journal of Materials Processing Technology 322 (2023) 118174.
    DOI: https://doi.org/10.1016/j.jmatprotec.2023.118174
  7. H. Wang, H. Zhang, R. Tamura, B. Da, S. A. Abdellatef, I. Watanabe, N. Ishida, D. Fujita, N. Hanagata, T. Nakagawa, and J. Nakanishi, Mapping stress inside living cells by atomic force microscopy in response to environmental stimuli, Science and Technology of Advanced Materials 24 (2023) 2265434.
    DOI: https://doi.org/10.1080/14686996.2023.2265434
  8. K. Kambayashi, N. Kogiso, I. Watanabe, and T. Yamada, Level-set-based topology optimization of a morphing flap as a compliant mechanism considering finite deformation analysis, Structural and Multidisciplinary Optimization 66 (2023) 223.
    DOI: https://doi.org/10.1007/s00158-023-03670-1
  9. I. Watanabe, T. Chen, S. Taniguchi, and H. Kitano, Heterogeneous microstructure of duplex multilayer steel structure fabricated by wire and arc additive manufacturing, Materials Characterization 191 (2022) 112159.
    DOI: https://doi.org/10.1016/j.matchar.2022.112159
  10. I. Watanabe and T. Amaishi, Three-dimensional finite element analysis of unintended deformation of polycrystalline billet in micro-extrusion, International Journal of Advanced Manufacturing Technology 120 (2022) 817-827.
    DOI: https://doi.org/10.1007/s00170-022-08726-y
  11. T. Chen and I. Watanabe, Data-driven estimation of plastic properties in work-hardening model combining power-law and linear hardening using instrumented indentation test, Science and Technology of Advanced Materials: Methods 2 (2022) 416-424.
    DOI: https://doi.org/10.1080/27660400.2022.2129508
  12. J. Zhou, I. Watanabe, and T. Yamada, Computational morphology design of duplex structure considering interface debonding, Composite Structures 302 (2022) 116200.
    DOI: https://doi.org/10.1016/j.compstruct.2022.116200
  13. X. Zheng, K. Uto, W.-H. Hu, T.-T. Chen, M. Naito, and I. Watanabe, Reprogrammable flexible mechanical metamaterials, Applied Materials Today 29 (2022) 101662.
    DOI: https://doi.org/10.1016/j.apmt.2022.101662
  14. T. Funazuka, K. Dohda, T. Shiratori, S. Horiuchi, and I. Watanabe, Effect of punch surface microtexture on the microextrudability of AA6063 micro backward extrusion, Micromachines 13 (2022) 2001.
    DOI: https://doi.org/10.3390/mi13112001
  15. K. Goto, K. Naito, K. Shirasu, and I. Watanabe, Numerical calculation and finite element analysis for anisotropic elastic properties of carbon fibers: Dependence of integration subinterval and mesh size on indentation-derived elastic modulus, SN Applied Sciences 4 (2022) 291.
    DOI: https://doi.org/10.1007/s42452-022-05183-w
  16. K. Goto, A. Ikeda, T. Osada, I. Watanabe, K. Kawagishi, and T. Ohmura, High-throughput evaluation of stress-strain relationships in Ni-Co-Cr ternary systems via indentation testing of diffusion couples, Journal of Alloys and Compounds 910 (2022) 164868.
    DOI: https://doi.org/10.1016/j.jallcom.2022.164868
  17. W.-H. Hu, M. Ji, T. Chen, S. Wang, M. Tenjimbayashi, Y. Sekiguchi, I. Watanabe, C. Sato, and M. Naito, Light-induced topological programmability in shape-reconfigurable three-dimensional Origami, Small 18 (2022) 2107078.
    DOI: https://doi.org/10.1002/smll.202107078
  18. W. Hu, T. Chen, R. Tamura, K. Terayama, S. Wang, I. Watanabe, and M. Naito, Topological alternation from structurally adaptable to mechanically stable crosslinked polymer, Science and Technology of Advanced Materials 23 (2022) 66-75.
    DOI: https://doi.org/10.1080/14686996.2021.2025426
  19. X. Zheng, T. Chen, X. Guo, S. Samitsu and I. Watanabe, Controllable inverse design of auxetic metamaterials using deep learning, Materials & Design 211 (2021) 110178.
    DOI: https://doi.org/10.1016/j.matdes.2021.110178
  20. T. Chen, I. Watanabe, D. Liu, and K. Goto, Data-driven estimation of plastic properties of alloys using neighboring indentation test, Science and Technology of Advanced Materials: Methods 1 (2021) 143-151.
    DOI: https://doi.org/10.1080/27660400.2021.1959838
  21. X. Zheng, X. Guo, and I. Watanabe, A mathematically defined 3D auxetic metamaterial with tunable mechanical and conduction properties, Materials & Design 198 (2021) 109313.
    DOI: https://doi.org/10.1016/j.matdes.2020.109313
  22. E.A. Bonifaz and I. Watanabe, Anisotropic multiscale modelling in SAE-AISI 1524 gas tungsten arc welded joints, Crystals 11 (2021) 245.
    DOI: https://doi.org/10.3390/cryst11030245
  23. T. Tsumuraya, I. Watanabe, and T. Sawaguchi, Origin of phase stability in Fe with long-period stacking order as an intermediate phase in cyclic gamma-epsilon martensitic transformation, Physical Review Research 3 (2021) 033215.
    DOI: https://doi.org/10.1103/PhysRevResearch.3.033215
  24. T. Funazuka, K. Dohda, T. Shiratori, R. Hiramiya, and I. Watanabe, Effect of punch surface grooves on microformability of AA6063 backward microextrusion, Micromachines 12 (2021) 1299.
    DOI: https://doi.org/10.3390/mi12111299
  25. W.-H. Hu, M. Tenjimbayashi, S. Wang, Y. Nakamura, I. Watanabe, and M. Naito, Post-programmable network topology with broad gradients of mechanical properties for reliable polymer material engineering, Chemistry of Materials 33 (2021) 6876-6884.
    DOI: https://doi.org/10.1021/acs.chemmater.1c01715
  26. T. Matsuno, T. Hojo, I. Watanabe, A. Shiro, T. Shobu, and K. Kajiwara, Tensile deformation behavior of TRIP-aided bainitic ferrite steel in the post-necking strain region, Science and Technology of Advanced Materials: Methods 1 (2021) 56-74.
    DOI: https://doi.org/10.1080/27660400.2021.1922207
  27. J. Ruzic, K. Goto, I. Watanabe, T. Osada, L. Wu, and T. Ohmura, Temperature-dependent deformation behavior of gamma and gamma' single-phase nickel-based superalloys, Materials Science and Engineering A 818 (2021) 141439.
    DOI: https://doi.org/10.1016/j.msea.2021.141439
  28. H. Wang, H. Zhang, B. Da, D. Lu, R. Tamura, K. Goto, I. Watanabe, D. Fujita, N. Hanagata, J. Kano, T. Nakagawa, and M. Noguchi, Mechanomics biomarker for cancer cells unidentifiable through morphology and elastic modulus, Nano Letters 21-3 (2021) 1538-1545.
    DOI: https://doi.org/10.1021/acs.nanolett.1c00003
  29. R. Ando, T. Matsuno, T. Matsuda, N. Yamashita, H. Yokota, K. Goto, and I. Watanabe, Analysis of nano-hardness distribution near the ferrite-martensite interface in a dual phase steel with factorization of its scattering behavior, ISIJ International 61 (2021) 473-480.
    DOI: https://doi.org/10.2355/isijinternational.ISIJINT-2020-546
  30. A. Ikeda, K. Goto, T. Osada, I. Watanabe, and K. Kawagishi, High-throughput mapping method for mechanical properties, oxidation resistance, and phase stability in Ni-based superalloys using composition-graded unidirectional solidified alloys, Scripta Materialia 193 (2021) 91-96.
    DOI: https://doi.org/10.1016/j.scriptamat.2020.10.043
  31. L. Wu, T. Osada, I. Watanabe, T. Yokokawa, T. Kobayashi, and K. Kawagishi, Strength prediction of Ni-base disc superalloys: Modified gamma' hardening models applicable to commercial alloys, Materials Science and Engineering A 799 (2021) 140103.
    DOI: https://doi.org/10.1016/j.msea.2020.140103
  32. I. Watanabe, Z. Sun, H. Kitano, and K. Goto, Multiscale analysis of mechanical behavior of multilayer steel structures fabricated by wire and arc additive manufacturing, Science and Technology of Advanced Materials 21 (2020) 461-470.
    DOI: https://doi.org/10.1080/14686996.2020.1788908
  33. K. Goto, I. Watanabe, and T. Ohmura, Inverse estimation approach for elastoplastic properties using the load-displacement curve and pile-up topography of a single Berkovich indentation, Materials and Design 194 (2020) 108925.
    DOI: https://doi.org/10.1016/j.matdes.2020.108925
  34. A. Yamanaka, R. Kamijyo, K. Koenuma, I. Watanabe, and T. Kuwabara, Deep neural network approach to estimate biaxial stress-strain curves of sheet metals, Materials and Design 195 (2020) 108970.
    DOI: https://doi.org/10.1016/j.matdes.2020.108970
  35. T. Matsuno, R. Ando, N. Yamashita, H. Yokota, K. Goto, and I. Watanabe, Analysis of preliminary local hardening close to the ferrite-martensite interface in dual-phase steel by a combination of finite element simulation and nano-indentation test, International Journal of Mechanical Sciences 180 (2020) 105663.
    DOI: https://doi.org/10.1016/j.ijmecsci.2020.105663
  36. K. Koenuma, A. Yamanaka, I. Watanabe, and T. Kuwabara, Estimation of texture-dependent stress-strain curve and r-value of aluminum alloy sheet using deep learning, Materials Transactions 61 (2020) 2276-2283.
    DOI: https://doi.org/10.2320/matertrans.P-M2020853
  37. H. Wang, H. Zhang, K. Goto, I. Watanabe, H. Kitazawa, M. Kawai, H. Mamiya, and D. Fujita, Stress mapping reveals extrinsic toughening of brittle carbon fiber in polymer matrix, Science and Technology of Advanced Materials 21 (2020) 267-277.
    DOI: https://doi.org/10.1080/14686996.2020.1752114
  38. I. Watanabe and A. Yamanaka, Voxel coarsening approach on image-based finite element modeling of representative volume element, International Journal of Mechanical Sciences 150 (2019) 314-321.
    DOI: https://doi.org/10.1016/j.ijmecsci.2018.10.028
  39. J. Ruzic, I. Watanabe, K. Goto, and T. Ohmura, Nano-indentation measurement for heat resistant alloys at elevated temperatures in inert atmosphere, Materials Transactions 60 (2019) 1411-1415.
    DOI: https://doi.org/10.2320/matertrans.MD201909
  40. K. Goto, I. Watanabe, and T. Ohmura, Determining suitable parameters for inverse estimation of plastic properties based on indentation marks, International Journal of Plasticity 116 (2019) 81-90.
    DOI: https://doi.org/10.1016/j.ijplas.2018.12.007
  41. T. Matsuno, T. Yoshioka, I. Watanabe, and J.L. Alves, Three-dimensional finite element analysis of representative volume elements for characterizing the effects of martensite elongation and banding on tensile strength of ferrite-martensite dual-phase steels, International Journal of Mechanical Sciences 163 (2019) 105133.
    DOI: https://doi.org/10.1016/j.ijmecsci.2019.105133
  42. H. Wang, H. Zhang, D. Tang, K. Goto, I. Watanabe, H. Kitazawa, M. Kawai, H. Mamiya, and D. Fujita, Stress dependence of indentation modulus for carbon fiber in polymer composite, Science and Technology of Advanced Materials 20 (2019) 412-420.
    DOI: https://doi.org/10.1080/14686996.2019.1600202
  43. T. Onishi, T. Kadohira, and I. Watanabe, Relationship extraction with weakly supervised learning based on process-structure-property-performance reciprocity, Science and Technology of Advanced Materials 19 (2018) 649-659.
    DOI: https://doi.org/10.1080/14686996.2018.1500852
  44. H. Kondo, M. Wakeda, and I. Watanabe, Atomic study on the interaction between superlattice screw dislocation and gamma-Ni precipitate in gamma'-Ni3Al intermetallics, Intermetallics 102 (2018) 1-5.
    DOI: https://doi.org/10.1016/j.intermet.2018.08.008
  45. J. Ruzic, S. Emura, X. Ji, and I. Watanabe, Mo segregation and distribution in Ti Mo alloy investigated using nanoindentation, Materials Science and Engineering A 718 (2018) 48-55.
    DOI: https://doi.org/10.1016/j.msea.2018.01.098
  46. A. Ibrahim, K. Nakahata, H. Yamawaki, and I. Watanabe, One dimensional EFIT modeling and experimental validation of dynamic interfacial bonding, Mechanical Engineering Letters, Bulletin of the JSME 3 (2017) No.16-00605, 1-9.
    DOI: https://doi.org/10.1299/mel.16-00605
  47. I. Watanabe and D. Setoyama, Multiscale characterization of a polycrystalline aggregate subjected to severe plastic deformation with the finite element method, Materials Transactions 57 (2016) 1404-1410.
    DOI: https://doi.org/10.2320/matertrans.MH201514
  48. V.A. de Souza, I. Watanabe, and A. Yanagida, Numerical estimation of frictional effects in equal channel angular extrusion, Materials Transactions 57 (2016) 1399-1403.
    DOI: https://doi.org/10.2320/matertrans.MH201513
  49. S.K. Vajpai, H. Yu, M. Ota, I. Watanabe, G. Dirras, and K. Ameyama, Three-dimensionally gradient and periodic harmonic structure for high performance advanced structural materials, Materials Transactions 57 (2016) 1424-1432.
    DOI: https://doi.org/10.2320/matertrans.MH201509
  50. S. Bidhar, O. Kuwazuru, Y. Shiihara, Y. Hangai, M. Nomura, T. Utsunomiya, I. Watanabe, and N. Yoshikawa, Empirical formulation of stress concentration factor around an arbitrary-sized spherical dual-cavity system and its application to aluminum die castings, Applied Mathematical Modelling 39 (2015) 5707-5723.
    DOI: https://doi.org/10.1016/j.apm.2015.01.032
  51. S. Bidhar, O. Kuwazuru, Y. Shiihara, Y. Hangai, T. Utsunomiya, I. Watanabe, and N. Yoshikawa, Practical application of empirical formulation of the stress concentration factor around equally sized dual spherical cavities to aluminum die cast, Applied Mathematical Modelling 39 (2015) 881-893.
    DOI: https://doi.org/10.1016/j.apm.2014.07.005
  52. M. Muramatsu, M. Koyama, and I. Watanabe, Tensile testing with cyclic strain holding to analyze dynamic recrystallization of pure lead, Advances in Materials Science and Engineering 2014 (2014) No.498674, 1-8.
    DOI: https://doi.org/10.1155/2014/498674
  53. V.A. de Souza, L. Kirkayak, I. Watanabe, K. Suzuki, H. Ando, H. Sueoka, and H. Darama, Experimental and numerical analysis of container multiple stacks dynamics using a scaled model, Ocean Engineering 74 (2013) 218-232.
    DOI: https://doi.org/10.1016/j.oceaneng.2013.05.013
  54. I. Watanabe, D. Setoyama, N. Nagasako, N. Iwata, and K. Nakanishi, Multiscale prediction of mechanical behavior of Ferrite-Pearlite steel with Numerical Material Testing, International Journal for Numerical Methods in Engineering 89 (2012) 829-845.
    DOI: https://doi.org/10.1002/nme.3264
  55. I. Watanabe, D. Setoyama, N. Iwata, and K. Nakanishi, Characterization of yielding behavior of polycrystalline metals with single crystal plasticity based on representative characteristic length, International Journal of Plasticity 26 (2010) 570-585.
    DOI: https://doi.org/10.1016/j.ijplas.2009.09.005
  56. I. Watanabe and K. Terada, A method of predicting macroscopic yield strength of polycrystalline metals subjected to plastic forming by micro-macro de-coupling scheme, International Journal of Mechanical Science 52 (2010) 343-355.
    DOI: https://doi.org/10.1016/j.ijmecsci.2009.10.006
  57. I. Watanabe, K. Terada, E. A. de Souza Neto, and D. Peric, Characterization of macroscopic tensile strength of polycrystalline metals with two-scale finite element analysis, Journal of Mechanics and Physics in Solids 56 (2008) 1105-1125.
    DOI: https://doi.org/10.1016/j.jmps.2007.06.001
  58. K. Terada and I. Watanabe, Computational aspects of tangent moduli tensors in rate-independent crystal elastoplasticity, Computational Mechanics 40 (2007) 497-511.
    DOI: https://doi.org/10.1007/s00466-006-0123-0
  59. K. Terada, I. Watanabe, and M. Akiyama, Effects of shape and size of crystal grains on the strengths of polycrystalline metals, International Journal for Multiscale Computational Engineering 4 (2006) 445-460.
    DOI: https://doi.org/10.1615/IntJMultCompEng.v4.i4.30
  60. I. Watanabe, K. Terada, and M. Akiyama, Two-scale analysis for deformation-induced anisotropy of polycrystalline metals, Computational Materials Science 32-2 (2005) 240-250.
    DOI: https://doi.org/10.1016/j.commatsci.2004.08.002
Review article
  1. X. Zheng, X. Zhang, T. Chen, and I. Watanabe, Deep Learning in Mechanical Metamaterials: From Prediction and Generation to Inverse Design, Advanced Materials 35 (2023) 2302530.
    DOI: https://doi.org/10.1002/adma.202302530
  2. N. Iwata, I. Watanabe, D. Setoyama, and T. Iwata: Computational prediction of macroscopic mechanical behavior in multi-constituent steels, R&D Review of TOYOTA CRDL, pp.1-10, No.4, Vol.45, 2014.
Invited & keynote talks (international)
  1. I. Watanabe, T. Chen, and D. Liu, Characterization of mechanical properties of alloys using instrumented indentation test, XVII International Conference on Computational Plasticity, Barcelona, Spain, September, 2023 (keynote).
  2. I. Watanabe, Characterization of material properties from microscopic heterogeneity using Numerical Material Testing, ZCCE seminar, Swansea, Wales, U.K., July, 2023 (invited).
  3. I. Watanabe, T. Chen, and D. Liu, Characterization of mechanical properties using instrumented indentation test, International Conference on Processing and Manufacturing of Advanced Materials, Vienna, Austria, July, 2023 (invited).
  4. I. Watanabe, J. Ruzic, K. Goto, and T. Ohmura, Nano-indentation measurement for heat resistant alloys at elevated temperatures in inert atmosphere, International Conference on Processing and Manufacturing of Advanced Materials, Vienna, Austria, May, 2021 (invited).
  5. I. Watanabe, K. Goto, and T. Ohmura, Estimation of stress-strain curve using indentation and its computational simulation, NU/NIMS Materials Genome Workshop, Evanston, U.S.A., March, 2019 (invited).
  6. I. Watanabe, A formulation of mean-field constitutive model based on optimization problem, International Symposium on Plasticity, Panama city, Panama, January, 2019 (keynote).
  7. I. Watanabe, G. Nakamura, and K. Yuge, Maximization of morphological strengthening effect in duplex microstructure, International Conference on Processing and Manufacturing of Advanced Materials, Paris, France, July, 2018 (invited).
  8. I. Watanabe, Multiscale finite element modeling of ductile fracture in metals, NU/NIMS Materials Genome Workshop, Evanston, U.S.A., March, 2018 (invited).
  9. I. Watanabe, T. Onishi, and T. Kadohira, Computer Aided Material Development (CAMaD) using text mining, NU/NIMS Materials Genome Workshop, Evanston, U.S.A., March, 2017 (invited).
  10. I. Watanabe, Scale-coupling approaches using finite element analysis of microstructure in structural materials, International Symposium on Plasticity, Puerto Vallarta, Mexico, January, 2017 (keynote).
  11. I. Watanabe, Y. Han, K. Ameyama, D. Setoyama, and N. Iwata, Study of strengthening effect of microscopic morphology using finite element analysis of periodic microstructure, Asia-Pacific Symposium on Engineering Plasticity and Its Applications 2016, Higashi-Hiroshima, Japan, December, 2016 (invited).
  12. I. Watanabe, Finite element modeling of microstructure as an interface between deformation mechanisms and bulk properties, 3mE seminar, Delft, Netherlands, June, 2016 (invited).
  13. I. Watanabe, Multi-scale finite element modeling in structural materials, ZCCE seminar, Swansea, Wales, U.K., June, 2016 (invited).
  14. I. Watanabe, Maximization of strengthening effect of microscopic morphology in duplex steels, NU/NIMS Materials Genome Workshop, Evanston, U.S.A., March, 2016 (invited).
  15. I. Watanabe, Characterization of strength-ductility relationship with finite element analysis of periodic microstructure, International Symposium on Plasticity, Hawaii, U.S.A., January, 2016 (keynote).
  16. I. Watanabe, Multi-scale finite element modeling in structural materials, Taishan Scholar Forum, Qingdao, China, October, 2015 (invited).
  17. I. Watanabe, D. Setoyama, and N. Iwata, Multi-scale modeling and characterization in multi-constituent steels, International Workshops on Advances in Computational Mechanics, Tokyo, Japan, October, 2015 (invited).
  18. I. Watanabe, Multi-scale finite element modeling in structural metals, CHiMaD seminar, Evanston, U.S.A., August, 2015 (invited).
  19. I. Watanabe, Control of heterogeneous microstructure to improve mechanical properties in structural materials, NIST seminar, Gaithersburg, U.S.A., July, 2015 (invited).
  20. I. Watanabe, Application of computational micromechanics to material R&D, NU/NIMS Materials Genome Workshop, Evanston, U.S.A., March, 2015 (invited).
  21. I. Watanabe, G. Nakamura, K. Ameyama, and K. Yuge, Maximization of morphological strengthening effect in dual-component microstructure, International Symposium on Plasticity, Montego Bay, Jamaica, January, 2015 (keynote).
  22. I. Watanabe, Multi-scale finite element modeling in structural materials, Seminar series Numerical Mathematics and Mechanics of University of Cologne and University of Duisburg-Essen, Essen, Germany, July, 2014 (invited).
  23. I. Watanabe, Homogenization analysis based on finite element method at continuum scale, NU/NIMS Materials Genome Workshop, Evanston, U.S.A., March, 2014 (invited).
  24. I. Watanabe, V.A. de Souza, and A. Yanagida, Finite element analysis of deformed microstructure after multiple-path of equal channel angular extrusion, International Symposium on Plasticity, Freeport, Bahamas, January, 2014 (keynote).
  25. I. Watanabe, Two-scale finite element analysis of equaled channeling angular extrusion of polycrystalline metal, International Conference on Processing and Manufacturing of Advanced Materials, Las Vegas, U.S.A., December, 2013 (invited).
  26. I. Watanabe, Multi-scale finite element modeling of structural materials, Swansea university C2EC seminar, Swansea, U.K., December, 2012 (invited).
  27. I. Watanabe, Deformed microstructure prediction with two-scale FEA, NU/NIMS Materials Genome Workshop, Evanston, U.S.A., March, 2012 (invited).
  28. I. Watanabe, Numerical prediction of deformed microstructure subjected to plastic forming with two-scale finite element analysis, MPIE seminar, Dusseldorf, Germany, March, 2012 (invited).
  29. I. Watanabe, Numerical prediction of deformed microstructure subjected to plastic forming and its macroscopic strength, Japan-China Nano-Structure Research Workshop, Shiga, Japan, October, 2011 (invited).
  30. I. Watanabe, D. Setoyama, and N. Iwata, Multi-scale modelling for Ferrite-Pearlite composite steel., XI International Conference on Computational Plasticity, Barcelona, Spain, September, 2011 (invited).
  31. I. Watanabe and N. Iwata, Thermodynamic formulation of elastoplastic constitutive model with subloading surface at finite strain, International Symposium on Plasticity, Puerto Vallarta, Mexico, January, 2010 (keynote).
  32. I. Watanabe, N. Iwata, K. Nakanishi, and K. Terada, Numerical modeling of material behavior of steel, Symposium in Memory of Professor Toshio Mura, Evanston, U.S.A., May, 2010 (invited).
  33. I. Watanabe, K. Terada, N. Iwata, and K. Nakanishi, Numerical material testing of polycrystalline metals for strength evaluation, International Workshops on Advances in Computational Mechanics, Yokohama, Japan, March 2010 (invited).
  34. I. Watanabe, K. Terada, E. A. de Souza Neto, and D. Peric, A study of intragranular deformation effect on macroscopic strength in two-scale finite element analysis for polycrystalline metals, International Conference on Computational Methods, Hiroshima, Japan, April, 2007 (invited).
  35. I. Watanabe, K. Terada, K. Matsui, M. Akiyama, and Y. Neishi, Two-scale characterization of deformation induced anisotropy of polycrystalline metals, 8th International Conference on Numerical Methods in Industrial Forming Processes, Columbus, U.S.A., June, 2004 (special student scholarship).
Proceedings
  1. L. Wu, T. Osada, I. Watanabe, T. Yokokawa, T. Kobayashi, and K. Kawagishi, A new approach to strength prediction of Ni-base disc superalloys with dual phase gamma/gamma', Superalloys 2020 (2020) 651-658.
    DOI: https://doi.org/10.1007/978-3-030-51834-9_63
  2. H. Yu, I. Watanabe, and K. Ameyama, Deformation behavior analysis of harmonic structure materials by multi-scale finite element analysis, Advanced Materials Research 1088 (2015) 853-857.
    DOI: https://doi.org/10.4028/www.scientific.net/AMR.1088.853
  3. I. Watanabe, Two-scale finite element analysis of equaled channeling angular extrusion of polycrystalline metal, Materials Science Forum 783-786 (2014) 2713-2719.
    DOI: https://doi.org/10.4028/www.scientific.net/MSF.783-786.2713
  4. I. Watanabe and K. Terada, Two-scale characterization of deformation-induced anisotropy of polycrystalline metals, AIP Conference Proceedings 712 (2004) 1595-1600.
    DOI: https://doi.org/10.1063/1.1766757
Edited book
  1. I. Watanabe, G. Nakamura, K. Yuge, D. Setoyama, and N. Iwata, Maximization of strengthening effect of microscopic morphology in duplex steels, in "From Creep Damage Mechanics to Homogenization Methods", H. Altembach, T. Matsuda and D. Okumura eds., Advanced Structured Materials, Springer, Ch.24 (2015) 541-555.
    DOI: https://doi.org/10.1007/978-3-319-19440-0_24
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