Theses

Academic year 2021

      • Formation of N-Ti solute-atom clusters in α iron
        AKASAKA Yuya 
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2022.
      • Evaluation of the diffusion coefficient of boron in γ Fe-Ni alloys and amorphous Fe-B alloys
        HAMAGUCHI Takumi
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2022.
      • Determination of soild solution states of boron in α iron
        YOSHIOKA Hajime
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2022.
      • Theoretical evaluation of the interaction of carbon and nitrogen with microalloying elements in α iron
        YOSHISADA Shinri
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2022.
      • Preparation of amorphous (Hf,Zr)O2 films by sputtering and observation of their crystallization behavior 
        SAKAMOTO Kouhei 
        Diploma thesis, Department of Materials Science, School of Engineering, February 2022.
      • Evaluation of the interaction energy between C and Nb atoms in α-iron
        SUMIYA Nozomi
        Diploma thesis, Department of Materials Science, School of Engineering, February 2022.
      • Formation of N-V solute atom clusters in α-iron
        NISHIO Miduki
        Diploma thesis, Department of Materials Science, School of Engineering, February 2022.
      • Explosive crystallization of amorphous GeSn films by irradiation with a low-energy electron beam 
        MIYAMOTO Masaaki
        Diploma thesis, Department of Materials Science, School of Engineering, February 2022.

Academic year 2020

      • Effects of A1 on the interaction between N and V atoms in α-iron
        SUGITA Kengo
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2021.
      • Determination of the diffusion coefficient of boron in α-iron and γFe-Ni alloy by secondary-ion mass spectrometry
        TAMAI Naoya
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2021.
      • Solute-atom interaction of C with Ti and V in α-iron under para-equilibrium conditions
        HAZAMA Masahide
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2021.
      • Formation of i-s solute-atom clusters in dilute Fe-Ti-C alloys form supersaturated solution
        NAKAE Satoshi
        Diploma thesis, Department of Materials Science, School of Engineering, February 2021.
      • Kinetics of the formation of N-Cr solute-atom cluster in alpha iron
        NAKAMURA Itsuki
        Diploma thesis, Department of Materials Science, School of Engineering, February 2021.
      • Re-examination of the anelastic relaxation due to boron dissolved in α iron
        BABA Shunsuke
        Diploma thesis, Department of Materials Science, School of Engineering, February 2021.
      • Study of diffusion of boron in a dilute α-Fe-A1 alloy using secondary-ion mass spectrometry
        FUJII Fuminari
        Diploma thesis, Department of Materials Science, School of Engineering, February 2021.
      • Crystallization behavior of amorphous Ge and GeSn films by electron irradiation of SEM-level energies
         MATSUMOTO Atsushi
        Diploma thesis, Department of Materials Science, School of Engineering, February 2021.

Academic year 2019

      • Clustering of N and Cr atoms in α iron
        ISHIKAWA Ukyo
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2020.
      • Atomic interaction between niobium and carbon in α iron
        AKASAKA Yuya
        Diploma thesis, Department of Materials Science, School of Engineering, February 2020.
      • Kinetics and mechanism of N-V cluster formation in α iron
        KUROKAWA Takuma
        Diploma thesis, Department of Materials Science, School of Engineering, February 2020.
      • Structure analysis of amorphous Fe-P films prepared by sputtering
        HAMAGUCHI Takumi
        Diploma thesis, Department of Materials Science, School of Engineering, February 2020.
      • Measurement and analysis of diffusion profiles of boron in metals by secondary ion mass spectrometry
         YOSHIOKA Hajime
        Diploma thesis, Department of Materials Science, School of Engineering, February 2020.
      • Theoretical evaluation of solute-solute interaction between carbon and titanium, carbon and niobium, nitrogen and niobium in α iron
        YOSHISADA Shinri
        Diploma thesis, Department of Materials Science, School of Engineering, February 2020.

Academic year 2018

      • Structural inhomogeneity and crystallization of amorpous thin films of Ge and Si-Ge alloy
        OKUGAWA Masayuki
        Doctor thesis, Department of Materials Science, Graduate School of Engineering, January 2019.
      • Long-range diffusion of boron in iron analysed by secondary-ion mass spectrometry
        HAMANA Keisuke
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2019.
      • Effects of hydrogen on the structure and crystallization behavior of amorphous Ge thin films
        HANYA Yuki
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2019.
      • Atomic interaction of Si with C and N in alpha-iron
        WATANABE Kenta
        Master thesis, Department of Materials Science, Graduate School of Engineering, February 2019.
      • Structure and crystallization behaviour of amorphous Ge thin films prepared by various sputtering-power conditions
        KONDO Junya
        Diploma thesis, Department of Materials Science, School of Engineering, February 2019.
      • Effects of Al on the N-V intercation in α iron
        SUGITA Kengo
        Diploma thesis, Department of Materials Science, School of Engineering, February 2019.
      • Micro–structure changes and penetration of boron by sputtering deposition of Fe–B to α iron
        TAMAI Naoya
        Diploma thesis, Department of Materials Science, School of Engineering, February 2019.
      • Atomic interaction between Ti and C in α iron
        HAZAMA Masahide
        Diploma thesis, Department of Materials Science, School of Engineering, February 2019.

Academic year 2017

      • Atomic interaction between Ti and N in alpha iron ISHII Tomoaki Master thesis, Department of Materials Science, Graduate School of Engineering, February 2018.
      • Chemical diffusion in Ni3V INOUE Daisuke Master thesis, Department of Materials Science, Graduate School of Engineering, February 2018.
      • Diffusion of oxygen in (Ba,Sr)Al2O4 TAKEMURA Yuto Master thesis, Department of Materials Science, Graduate School of Engineering, February 2018.
      • Microstructural changes of Fe-C martensite at room temperature MIYATA Tomoyuki Master thesis, Department of Materials Science, Graduate School of Engineering, February 2018.
      • Atomic interaction between Nb and N in alpha iron LIN SiLong Master thesis, Department of Materials Science, Graduate School of Engineering, February 2018.
      • Kinetics of N-Cr solute-atom cluster formation in alpha iron ISHIKAWA Ukyo Diploma thesis, Department of Materials Science, School of Engineering, February 2018.
      • Effect of vanadium on the solubility of nitrogen in alpha iron KAMAEGUCHI Miyu Diploma thesis, Department of Materials Science, School of Engineering, February 2018.
      • Attemps to identify the dissolved form and diffusional jumps of B in alpha iron KITANO Yuto Diploma thesis, Department of Materials Science, School of Engineering, February 2018.
      • Anomalous penetration of boron into alpha iron from a sputter-deposited Fe-B surface layer TAKEMOTO Koki Diploma thesis, Department of Materials Science, School of Engineering, February 2018.
      • Quantitative evaluation of interaction between Ti and N in alpha iron by first principle calculations       TAMAOKA Yui Diploma thesis, Department of Materials Science, School of Engineering, February 2018.

Academic year 2016

      • A study on fatigue strength of a super-duplex stainless steel UDO Ryujiro Doctor thesis, Department of Materials Science, Graduate School of Engineering, February 2017.
      • Elasticity and anelasticity of Ni3V FUJIMOTO Shinya Diploma thesis, Department of Materials Science, School of Engineering, February 2017.
      • An attempt to measure long-range diffusion of boron in alpha iron HAMANA Keisuke Diploma thesis, Department of Materials Science, School of Engineering, February 2017.
      • Preparation of Fe-B amorphous films by sputtering and analyses of their structure HANYA Yuki Diploma thesis, Department of Materials Science, School of Engineering, February 2017.
      • Si-C atomic interaction in alpha iron WATANABE Kenta Diploma thesis, Department of Materials Science, School of Engineering, February 2017.

Academic year 2015

      • Interaction between microalloying elements and carbon in solution in alpha iron MATSUOKA Atsushi Master thesis, Department of Materials Science, Graduate School of Engineering, February 2016.
      • Structural inhomogeneity in amorphous Ge and Si and its effect on their crystallization behavior OKUGAWA Masayuki Master thesis, Department of Materials Science, Graduate School of Engineering, February 2016.
      • Re-examination of the form of solution and diffusion behaviour of boron in alpha iron IKEDA Kentarou Diploma thesis, Department of Materials Science, School of Engineering, February 2016.
      • Chemical diffusion in Ni3V INOUE Daisuke Diploma thesis, Department of Materials Science, School of Engineering, February 2016.
      • Effect of diffusion of chromium atoms on evaluation of the interaction beteween chromium and carbon in alpha iron ISHII Tomoaki Diploma thesis, Department of Materials Science, School of Engineering, February 2016.
      • Effects of alloying elements on the Snoek relaxation of carbon in ferritic steels KOMEDA Gaku Diploma thesis, Department of Materials Science, School of Engineering, February 2016.
      • Spectroscopic determination of carbon in ferrite/martensite dual phase steels MIYATA Tomoyuki Diploma thesis, Department of Materials Science, School of Engineering, February 2016.
      • Anelastic relaxation by point-defects jump in ionic conductive metal-oxides TAKEMURA Yuuto Diploma thesis, Department of Materials Science, School of Engineering, February 2016.

Academic year 2014

      • Atomic interaction of P-C, P-N, Al-N in α iron AKATA Ai Master thesis, Department of Materials Science, Graduate School of Engineering, February 2015.
      • Effects of Mo and W addition on microstructure and mechanical properties of Ni base dual two-phase intermetallic alloys EDATSUGI Daisuke Master thesis, Department of Materials Science, Graduate School of Engineering, February 2015.
      • Atomic interaction between Ni-C and Ni-N in alpha iron OMATSU Yuusuke Master thesis, Department of Materials Science, Graduate School of Engineering, February 2015.
      • Effect of multistage heat treatment on recrystallization and age-hardening of Al-Mg-Si alloy sheets processed by symmetric/asymmetric combined rolling AMANE Ryo Diploma thesis, Department of Materials Science, School of Engineering, February 2015.
      • Clustering of Cr and N atoms dissolved in alpha iron HARA Akito Diploma thesis, Department of Materials Science, School of Engineering, February 2015.
      • Improvement in drawability of titanium-clad magnesium alloy sheets INOUE Toshito Diploma thesis, Department of Materials Science, School of Engineering, February 2015.
      • Microstructure and hardness of Ni-base intermetallic alloy coating layer fabricated by thermal spraying ITOU Yuuki Diploma thesis, Department of Materials Science, School of Engineering, February 2015.
      • Observation of point defects migration in perovskite-type oxygen-ion conductors by electrical impedance and mechanical spectroscopies KAJIHARA Kouki Diploma thesis, Department of Materials Science, School of Engineering, February 2015.
      • Effect of Mo addition on microstructure and hardness of Ni3V KANAOKA Shintarou Diploma thesis, Department of Materials Science, School of Engineering, February 2015.
      • Establishing practical techniques for re-examination of boron dissolved in iron OKUNO Takeshi Diploma thesis, Department of Materials Science, School of Engineering, February 2015.

Academic year 2013

      • Atomic interaction between carbon and 3d transition elements in alpha iron HIRAMATSU Seiya Master thesis, Department of Materials Science, Graduate School of Engineering, February 2014.
      • Recrystallization during solution treatment and subsequent aging behavior in Al-Mg-Si alloy sheets produced by combination of symmetric and asymmetric rolling KAGEYAMA Naosuke Master thesis, Department of Materials Science, Graduate School of Engineering, February 2014.
      • Effects of fourth element addition on microstructure and mechanical properties of Ni3(Si,Ti) intermetallic alloy KUBO Tomoharu Master thesis, Department of Materials Science, Graduate School of Engineering, February 2014.
      • Fabrication and characterization of Ni-based intermetallic alloy coatings by plasma spraying KUROYANAGI Naotaka Master thesis, Department of Materials Science, Graduate School of Engineering, February 2014.
      • Hardening phenomenon at intermediate temperature in heavily cold-rolled Co3Ti intermetallic compound OKA Takahiro Master thesis, Department of Materials Science, Graduate School of Engineering, February 2014.
      • Atomic interaction of C and N with Al and Si in α iron WATANABE Yuusuke Master thesis, Department of Materials Science, Graduate School of Engineering, February 2014.
      • Motion of vacancies in perovskite oxides studied by impedance and mechanical spectroscopy AMANO Shintarou Diploma thesis, Department of Materials Science, School of Engineering, February 2014.
      • Effect of Si on the Snoek relaxation of carbon in ferritic steels ANDOU Chie Diploma thesis, Department of Materials Science, School of Engineering, February 2014.
      • Effect of Si addition on microstructure and mechanical properties of Ni3Al/Ni3V dual two-phase intermetallic alloy HAMADA Yuuki Diploma thesis, Department of Materials Science, School of Engineering, February 2014.
      • Formation of nanoporous structures via crystallization of amorphous Ge induced by annealing and electron-irradiation OKUGAWA Masayuki Diploma thesis, Department of Materials Science, School of Engineering, February 2014.
      • Formability and weldability of titanium-clad magnesium alloy sheets OKUNO Masashi Diploma thesis, Department of Materials Science, School of Engineering, February 2014.
      • Crystal-orientation dependence of the complex Snoek relaxation arising from the interaction between i-s solute atoms YAGI Ryouhei Diploma thesis, Department of Materials Science, School of Engineering, February 2014.

Academic year 2012

      • Effects of off-stoichiometry on microstructure and mechanical properties of Ni3V FUJIOKA Kouki Master thesis, Department of Materials Science, Graduate School of Engineering, February 2013.
      • Alloy design and properties of Ni-base dual two-phase intermetallic alloys based on the valence electron concentration concept HASHIMOTO Takahiro Master thesis, Department of Materials Science, Graduate School of Engineering, February 2013.
      • Alloy design for precipitation hardening-type Ni-base dual two-phase intermetallic alloys ISHII Seiya Master thesis, Department of Materials Science, Graduate School of Engineering, February 2013.
      • Fabrication and characterization of Ni-base intermetallic alloy composites by powder metallurgy MIURA Yuuki Master thesis, Department of Materials Science, Graduate School of Engineering, February 2013.
      • Optimization of composition and microstructure in Ni-based dual two-phase intermetallic alloy as turbine blade material MIZUMOTO Kouhei Master thesis, Department of Materials Science, Graduate School of Engineering, February 2013.
      • Press formability of randomly oriented sheet of precipitation-hardened magnesium alloy AM60 YAMAKAWA Takashi Master thesis, Department of Materials Science, Graduate School of Engineering, February 2013.
      • Quantitative analysis of solute carbon in single-phase Fe-Si-C ferritic steels by mechanical loss measurements AKATA Ai Diploma thesis, Department of Materials Science, School of Engineering, February 2013.
      • Dissimilar friction stir welding of pure copper and stainless steel using nickel based intermetallic alloy tool EDATUGI Daisuke Diploma thesis, Department of Materials Science, School of Engineering, February 2013.
      • Randomization mechanism of crystal orientation distribution KUKINO Tsubasa Diploma thesis, Department of Materials Science, School of Engineering, February 2013.
      • Development of a free-and-forced dual mode mechanical spectrometer OMATSU Yuusuke Diploma thesis, Department of Materials Science, School of Engineering, February 2013.
      • Interatomic interaction between carbon and manganese in alpha iron TAKEUCHI Tatsurou Diploma thesis, Department of Materials Science, School of Engineering, February 2013.
      • Elementary diffusion processes in perovskite-type oxides studied by impedance and mechanical spectroscopy WATANABE Ryouta Diploma thesis, Department of Materials Science, School of Engineering, February 2013.

Academic year 2011

      • Effects of solute carbon on crystal defects in severely deformed pure iron AKAKI Tomoyuki Master thesis, Department of Materials Science, Graduate School of Engineering, February 2012.
      • Mechanism of crystal-orientation dispersion in AZ31 magnesium alloy sheet SUGIMOTO Keiji Master thesis, Department of Materials Science, Graduate School of Engineering, February 2012.
      • Structure control and forgeability of high strength magnesium alloy by torsion extrusion with rapid rotation FUKUI Masato Master thesis, Department of Materials Science, Graduate School of Engineering, February 2012.
      • Study of structural relaxation in Zr-Al-Ni-Cu bulk metallic glass by dynamic shear modulus measurements FUJIMOTO Shou Master thesis, Department of Materials Science, Graduate School of Engineering, February 2012.
      • Manganese – nitrogen interaction in α iron HONDA Kenjiro Master thesis, Department of Materials Science, Graduate School of Engineering, February 2012.
      • Investigation of experimental conditions for evaluating interaction between carbon and substitutional solute atoms in α iron HIRAMATSU Seiya Diploma thesis, Department of Materials Science, School of Engineering, February 2012.
      • Characterisation of defects in severely deformed nickel MOMOTANI Yuuji Diploma thesis, Department of Materials Science, School of Engineering, February 2012.
      • Effects of Si addition on stress-induced diffusion of carbon atoms in α iron WATANABE Yuusuke Diploma thesis, Department of Materials Science, School of Engineering, February 2012.

Academic year 2010

      • Interaction between chromium and nitrogen, and chromium and carbon in α iron TANAKA Yuki Master thesis, Department of Materials Science, Graduate School of Engineering, February 2011.
      • Phase transformation and phase equilibria of dilute Cu−Ti alloys aged in hydrogen atmosphere YAMAUCHI Satoshi Master thesis, Department of Materials Science, Graduate School of Engineering, February 2011.
      • Quantitative evaluation of carbon dissolved in α iron in ferrite/martensite two phase steels using mechanical loss measurements NAKANO Katsuya Diploma thesis, Department of Materials Science, School of Engineering, February 2011.
      • Defects in severely deformed nickel NOGUCHI Toshihiko Diploma thesis, Department of Materials Science, School of Engineering, February 2011.
      • Texture control of AM60 high-strength magnesium alloy sheet YAMAKAWA Takashi Diploma thesis, Department of Materials Science, School of Engineering, February 2011.

Academic year 2009

      • Crystal defects and their stability in severly deformed pure iron MORIMOTO Hajime Master thesis, Department of Materials Science, Graduate School of Engineering, February 2010.
      • Grain refining for magnesium alloys by torsion-extrusion with rapid rotation NAGATA Yuki Master thesis, Department of Materials Science, Graduate School of Engineering, February 2010.
      • Density and thermal stability of defects in severely deformed pure aluminium by ARB or ECAP TAKEMOTO Yuusuke Master thesis, Department of Materials Science, Graduate School of Engineering, February 2010.
      • A method for theoretically constructing order-disorder phase diagram from formation energies UENO Yoshiki Master thesis, Department of Materials Science, Graduate School of Engineering, February 2010.
      • Defects in severely deformed nickel and their stability AKAKI Tomoyuki Diploma thesis, Department of Materials Science, School of Engineering, February 2010.
      • Study of structural relaxation in Zr−Al−Ni−Cu metallic glass by dynamic shear modulus measurements FUJIMOTO Show Diploma thesis, Department of Materials Science, School of Engineering, February 2010.
      • Fabrication of high-strength forgeable magnesium alloys by torsion-extrusion with rapid rotation FUKUI Masato Diploma thesis, Department of Materials Science, School of Engineering, February 2010.
      • Analyses of carbon in ferrite/martensite dual phase steels by mechanical loss measurements HONDA Kenjirow Diploma thesis, Department of Materials Science, School of Engineering, February 2010.
      • Effects of pre-strain on mechancal and electrical properties of Cu−Ti alloys aged in a hydrogen atmosphere KONDOW Teruaki Diploma thesis, Department of Materials Science, School of Engineering, February 2010.
      • Cold-workability of AZ31 magnesium alloy sheets with random orientation distribution SUGIMOTO Keiji Diploma thesis, Department of Materials Science, School of Engineering, February 2010.

Academic year 2008

      • Development of Cu-Ti alloys with high strength and high electrical conductivity by ageing in a hydrogen atmosphere NISHIDA Tomoya Master thesis, Department of Materials Science, Graduate School of Engineering, February 2009.
      • Kinetics of structural relaxation in Zr−Al−Ni−Cu metallic glass TANAKA Yuki Diploma thesis, Department of Materials Science, School of Engineering, February 2009.
      • Phase transformation and dynamic elasticity of high-strength dual-phase steel TANIGUCHI Sowichi Diploma thesis, Department of Materials Science, School of Engineering, February 2009.
      • Phase transformation of dilute Cu−Ti alloys on ageing in a hydrogen atmosphere YAMAUCHI Satoshi Diploma thesis, Department of Materials Science, School of Engineering, February 2009.
      • Feasibility study of Fe−Ga solid solution alloys of large magnetostriction to high damping applications YAMAURA Kowdai Diploma thesis, Department of Materials Science, School of Engineering, February 2009.

Academic year 2007

    • Dynamic viscoelasticity of Zr−Al−Ni−Cu metallic glass over a wide temperature range UENO Yoshiki Diploma thesis, Department of Materials Engineering, School of Engineering, February 2008.
    • Magnetoelasticity and mechanical relaxation in Fe−Ga solid-solution alloys of large magnetostriction SUZUKI Ippei Diploma thesis, Department of Materials Engineering, School of Engineering, February 2008.
    • Recovery and recrystallisation of severely-deformed pure aluminium TAKEMOTO Yuusuke Diploma thesis, Department of Materials Engineering, School of Engineering, February 2008.
    • Study of elementary processes of diffusion in metal oxides by impedance and mechanical spectroscopy MORIMOTO Hajime Diploma thesis, Department of Materials Engineering, School of Engineering, February 2008.