AKINIWA Yoshiaki

Affiliation

Faculty of Engineering, Division of Systems Research

Job Title

Professor

Research Fields, Keywords

Strength of materials, Fracture mechanics, Stress evaluation, Residual stress, X-ray, Neutron, Synchrotron

Mail Address

E-mail address



The Best Research Achievement in Research Career 【 display / non-display

  • 【Published Thesis】 Notch effect on fatigue strength reduction of bearing steel in the very high cycle regime  2006

    【Published Thesis】 Fatigue strength of spring steel under axial and torsional loading in the very high cycle regime  2008

    【Published Thesis】 Fatigue crack propagation behaviour derived from SN data in very high cycle regim  2002

The Best Research Achievement in the last 5 years 【 display / non-display

  • 【Published Thesis】 Measurement of the X-ray Elastic Constants of Amorphous Polycarbonate  2020.12

    【Published Thesis】 Experimental and computational analyses on fatigue fracture and microstructure in dissimilar metal weldments with circular sharp stress raiser  2020.04

    【Published Thesis】 Bending fatigue behaviour and microstructure in welded high strength bolt structures  2019.05

    【Published Thesis】 Residual and assembling stress analyses on fillet welded joints of flange pipes and the fatigue strength prediction  2019.03

    【Published Thesis】 Root Fatigue Fracture Behavior in Fillet Welded Joints of Flange Pipes  2018.07

Graduating School 【 display / non-display

  •  
    -
    1982

    Niigata University   Faculty of Engineering  

Graduate School 【 display / non-display

  •  
    -
    1989

    Kyoto University  Graduate School, Division of Engineering  Doctor Course 

Degree 【 display / non-display

  • Doctor of Engineering -  Kyoto University

Campus Career 【 display / non-display

  • 2009.04
    -
    Now

    Duty   Yokohama National UniversityFaculty of Engineering   Division of Systems Research   Professor  

  • 2021.04
    -
    Now

    Concurrently   Yokohama National UniversityInterfaculty Graduate School of Innovative and Practical Studies   Professor  

  • 2019.04
    -
    Now

    Concurrently   Yokohama National UniversityInstitute of Advanced Sciences   Center for Creation of Symbiosis Society with Risk   Professor  

  • 2018.04
    -
    Now

    Concurrently   Yokohama National UniversityGraduate school of Engineering Science   Department of Mechanical Engineering, Materials Science and Ocean Engineering   Professor  

  • 2017.04
    -
    Now

    Concurrently   Yokohama National UniversityCollege of Engineering Science   Department of Mechanical Engineering, Materials Science and Ocean Engineering   Professor  

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External Career 【 display / non-display

  • 1992.11
    -
    2009.03

      Associate Professor (as old post name)  

  • 1990.06
    -
    1992.10

      Associate Professor (as old post name)  

  • 1989.04
    -
    1990.05

      Lecturer  

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display

  • Structural/Functional materials

  • Composite materials/Surface and interface engineering

  • Inorganic materials/Physical properties

  • Physical properties of metals/Metal-base materials

  • Design engineering/Machine functional elements/Tribology

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Research Career 【 display / non-display

  • Evaluation of strength of thin films

    Project Year:  -   

  • Propagation and Non-Propagation of Small Fatigue Crackes

    Project Year:  -   

  • Evaluation of strength of composite materials

    Project Year:  -   

  • Stress and Strain Analysis by Diffraction Method

    Project Year:  -   

Books 【 display / non-display

  • Modeling of Fatigue Crack Growth: Mechanistic Models,Comprehensive Structural Intengrity

    Edited by R.O. Ritchie and Y. Murakami (Part: Joint Work )

    Elsevier  2003

Papers 【 display / non-display

  • Measurement of the X-ray Elastic Constants of Amorphous Polycarbonate

    Kawamura Yuki, Akiniwa Yoshiaki

    QUANTUM BEAM SCIENCE ( MDPI )  4 ( 4 )   35-1 - 35-15   2020.12  [Refereed]

    Joint Work

    Web of Science DOI

  • Experimental and computational analyses on fatigue fracture and microstructure in dissimilar metal weldments with circular sharp stress raiser

    Oh Gyoko, Sasaki Takumi, Akiniwa Yoshiaki

    INTERNATIONAL JOURNAL OF FATIGUE   133   105422-1 - 105422-12   2020.04  [Refereed]

    Joint Work

    Web of Science DOI

  • Bending fatigue behaviour and microstructure in welded high strength bolt structures

    Gyoko Oh, Yoshiaki Akiniwa

    Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science     0954406218813391   2019.05  [Refereed]

    Joint Work

    DOI

  • Root Fatigue Fracture Behavior in Fillet Welded Joints of Flange Pipes

    OH Gyoko,AKINIWA Yoshiaki

    Transactions of the Society of Automative Engineers of Japan ( The Society of Automative Engineers of Japan )  49 ( 4 )   849 - 855   2018.07

    Joint Work

    DOI CiNii

  • Effect of Thermal History on Deformation Behavior of Sputtered Aluminum Thin Films

    SUGAWARA Daiki,AKINIWA Yoshiaki,GOTO Hiroshi

    Journal of the Society of Materials Science, Japan ( The Society of Materials Science, Japan )  65 ( 2 )   170 - 175   2016.02  [Refereed]

    Joint Work

    DOI CiNii

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Review Papers 【 display / non-display

  • Neutron Diffrcation Measurements of Residual Stresses in Engineering Materials and Components

    K. Tanaka, Y. Akiniwa and M. Hayashi

    Materials Science Research International   8 ( 4 ) 165 - 174   2002

    Introduction and explanation (scientific journal)   Joint Work

Academic Awards Received 【 display / non-display

  • Best Article in Fatigue & Fracture of Engineering Materials and Structures Volume 31 (2008)

    2009.09    

  • IEEE MHS2004 Best Paper Award

    2004    

Presentations 【 display / non-display

  • Evaluation of Deformation Behavior of Notched Grain-Oriented Electrical Steel by EBSD Method

    Y. Akiniwa, M. Tominaga, H. Kimura, D. Setoyama, S. Furusako, K. Iwata

    APCFS2016  (Toyama, Japan)  2016.09.19  

  • Stress Measurement Near Notch in 3%Si Iron by EBSD Method

    Y. Akiniwa, H. Kimura, Y. Kojima, S. Furusako and K. Iwata

    ATEM2015  (Toyohashi, Japan)  2015.10.04  

  • Strength of Arc Spot Welded Joints in a High Strength Steel Sheet

    Seiji Furusako, Kodama Shinji, Yasunobu Miyazaki, Tetsuro Nose, Yoshiaki Akiniwa

    SAE 2014 World Congress & Exhibition  (Michigan United States)  2014.08.08   SAE

  • Study on the Failure Assessment of Small Diameter Pipe With Circumferential Crack Under Monotonic and Cyclic Multi-Axial Loading

    Masao Itatani, Toshiyuki Saito, Yoshiaki Akiniwa, Keita Naito

    ASME. PVP2014  (Anaheim, California, USA)  2014.07.20   ASME

  • Analysis of X-ray diffraction parameters near crack-tip

    Y. Akiniwa  [Invited]

    IC-TEMS2014  2014.07  

 

Council/Academic activity outside the university 【 display / non-display

  • Int. Conference on Mechanical Stress Evaluation by Neutrons and Synchrotron Radiation Scientific Committee

    2008
     
     

    Society  

  • International Journal of Fatigue

    2007
     
     

    Society   Editorial Board