AKINIWA Yoshiaki


Faculty of Engineering, Division of Systems Research



Research Fields, Keywords

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

Mail Address

E-mail address


The Best Research Acheivement as Researcher Life 【 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

Graduating School 【 display / non-display


    Niigata University   Faculty of Engineering  

Graduate School 【 display / non-display


    Kyoto University  Graduate School, Division of Engineering  Doctor Course 

External Career 【 display / non-display

  • 1992.11

      Associate Professor (as old post name)  

  • 1990.06

      Associate Professor (as old post name)  

  • 1989.04


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

Thesis for a degree 【 display / non-display

  • 金属材料における微小疲労き裂の伝ぱ及び停留に関する破壊力学的研究

    秋庭 義明 


    Doctoral Thesis   Single Work

     View Summary

    京都大学大学院工学研究科物理工学専攻 金属材料の平滑材および切欠き材に発生した微小疲労き裂の伝ぱ及び停留挙動を実験的に明らかにし,そのモデル化と力学的理論解析を行った.疲労き裂伝ぱの主要因子として,き裂開閉口挙動と微視組織との相互作用に着目して,種々の荷重条件に対するそれら因子の影響を明らかにするとともに,高精度に疲労強度を予測するための疲労破壊モデル構築し,その有効性を示した。

Papers 【 display / non-display

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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)


  • IEEE MHS2004 Best Paper Award


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



  • International Journal of Fatigue


    Others   Editorial Board