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Creation of nano-crystal-grains layer and Residual stress by the cutting and rubbing process in a notch of specimen

Research Project

Project/Area Number 26420035
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Materials/Mechanics of materials
Research InstitutionOita National College of Technology

Principal Investigator

Terutoshi Yakushiji  大分工業高等専門学校, その他部局等, 教授 (90210228)

Co-Investigator(Renkei-kenkyūsha) TODAKA Yoshikazu  豊橋技術科学大学, 大学院工学研究科・機械工学系, 教授 (50345956)
Research Collaborator OOYAMA Hideto  
TAKAHASHI Kenichi  
SATOH Takuma  
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2016: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords摩擦加工 / 微細結晶粒 / 回転曲げ疲労強度 / 強ひずみ加工 / 残留応力 / 応力集中 / V溝切欠き / ナノ結晶 / ナノ結晶粒 / 回転曲げ疲労 / 表面加工 / 疲労強度 / 強歪加工
Outline of Final Research Achievements

In order to strengthen a actual machine part, research for strengthening a stress-concentration portion was carried out by using the circumferential V-notched specimen of heat treated SCM5435 steel. The cutting and rubbing processing produced the hard surface-layer with a fine microstructure at the helical-groove bottom. The layer had about 10 μm thickness and Vickers hardness value of 820 (2.7 times of non-processed surface). And the compressive residual stress is over 2000MPa. Rotating bending fatigue limit stress of the processed notched specimens was enhanced to 1.68 times of notched specimen which has not been processed. Although the specimen hardness was sharply dropped to HV of 400 at 0.1mm beneath the surface, the stress distribution of a helical-groove bottom declines rapidly from the maximum surface similarly. From this the effect of strengthening by cutting and rubbing processing is more efficient to a notched specimen than to a plain specimen.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (16 results)

All 2017 2016 2015 2014

All Journal Article (11 results) (of which Peer Reviewed: 10 results,  Acknowledgement Compliant: 3 results,  Open Access: 8 results) Presentation (5 results)

  • [Journal Article] The Evaluation of Fatigue Caused by Plane-Bending Stress on Stainless Steel Using the Stacked-Coil Type Magnetic Sensor2017

    • Author(s)
      Mohachiro Oka, Terutoshi Yakushiji, and Masato Enokizono
    • Journal Title

      43rd Annual Review of Progress in Quantitative Nondestructive Evaluation

      Volume: Volume 36 Pages: 110009-110009

    • DOI

      10.1063/1.4974687

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Bending fatigue strength of annealed 0.45% carbon steel specimens finished by cutting and rubbing technique utilizing cemented carbide tip2016

    • Author(s)
      T. Yakushiji, F. Nakagawa and M. Goto
    • Journal Title

      International Journal of Fracture Fatigue & Wear

      Volume: Vol.4 Pages: 146-152

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Relationship between grain growth and formation of fracture surface of ultrafine grained Cu in high-cycle fatigue2016

    • Author(s)
      M. Goto, S.Z.Han, T. Yamamoto, J. Kitamura, K. Kamil, T. Fujimura and T. Yakushiji
    • Journal Title

      Key Engineering Materials

      Volume: Vol.713 Pages: 147-150

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Formation mechanism of inclined fatigue-cracks in ultrafine-grained Cu processed by equal channel angular pressing2016

    • Author(s)
      M. Goto, S.Z. Han, T. Yamamoto, J. Kitamura, J.H. Ahn , T. Yakushiji, S.S. Kim, J. Lee
    • Journal Title

      International Journal of Fatigue

      Volume: Vol.92 Pages: 577-587

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] BENDING FATIGUE STRENGTH OF ANNEALED 0.45% CARBON STEEL SPECIMENS FINISHED BY CUTTING AND RUBBING TECHINQUE UTILIZING CEMENTED CARBIDE TIP2016

    • Author(s)
      T. Yakushiji, F. Nakagawa and M. Goto
    • Journal Title

      International Journal of Fracture Fatigue and Wear

      Volume: **

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] ワイヤ放電加工したS45C材の疲労強度2015

    • Author(s)
      薬師寺 輝敏,後藤真宏,鳥居幸代
    • Journal Title

      材料

      Volume: 第64巻 Pages: 940-945

    • NAID

      130005109744

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] High-Cycle Fatigue Damage of Oxygen-Free and Deoxidized-Phosphorous Copper Processed by Equal Channel Angular Pressing of microstructural evolution2015

    • Author(s)
      M.Goto,N.Teshima,S.Z. Han, J.H. Ahn, T.Yakushiji
    • Journal Title

      Key Engineering Materials

      Volume: Vol. 627

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Fatigue-induced grain growth and formation of slip bands in Cu processed by equal channel angular pressing2015

    • Author(s)
      M.Goto,M.Baba,S.Z. Han,J.Kitamura,T.Yamamoto,J.-H. Ahn,T.Yakusiji, S. Kim and ,j.Lee
    • Journal Title

      Transaction on Modelling & Simulation

      Volume: Vol.59 Pages: 279-290

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] S–N plots and related phenomena of ultrafine grained copper with different stages of microstructural evolutio2015

    • Author(s)
      M.Goto,S.Z. Han, J.Kitamura, T.Yakushiji , J.H. Ahn , S.S. Kim , M. Baba,T.Yamamoto, J. Lee,
    • Journal Title

      International Journal of Fatigue

      Volume: Vol.73 Pages: 98-108

    • Related Report
      2015 Research-status Report
    • Open Access
  • [Journal Article] S-N plots and related phenomena of ultrafine grained copper with different stages of microstructural evolution2015

    • Author(s)
      M. Goto, S.Z. Han, J. Kitamura , T. Yakushiji , J.H. Ahn , S.S. Kim , M. Baba, T. Yamamoto, J. Lee
    • Journal Title

      International Journal of Fatigue

      Volume: 73 Pages: 98-108

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Cutting and rubbing process for a Ti-6Al-4V alloys, and its effects2014

    • Author(s)
      薬師寺輝敏,渡部 杏伍,後藤真宏,戸高義一
    • Journal Title

      Transactions of the JSME (in Japanese)

      Volume: 80 Issue: 818 Pages: SMM0296-SMM0296

    • DOI

      10.1299/transjsme.2014smm0296

    • NAID

      130004701525

    • ISSN
      2187-9761
    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 強変形加工した銅の組織と機械的性質2015

    • Author(s)
      馬場 将臣, 藤村 哲也,山本 隆栄,薬師寺 輝敏,後藤 真宏
    • Organizer
      日本機会学会第23回機械材料・材料加工技術講演会
    • Place of Presentation
      広島大学 東広島キャンパス
    • Year and Date
      2015-11-15
    • Related Report
      2015 Research-status Report
  • [Presentation] 摩擦加工した V 溝切欠き材の回転曲げ疲労特性2015

    • Author(s)
      佐藤拓馬,薬師寺輝敏摩擦加工した V 溝切欠き材の回転曲げ疲労特性
    • Organizer
      日本材料学会九州支部第2回学術講演会
    • Place of Presentation
      長崎大学工学部
    • Year and Date
      2015-09-25
    • Related Report
      2015 Research-status Report
  • [Presentation] 引張圧縮疲労試験における摩擦加工材の疲労強度評価2015

    • Author(s)
      安部佑一,原田努,薬師寺輝敏
    • Organizer
      日本材料学会九州支部第2回学術講演会
    • Place of Presentation
      長崎大学工学部
    • Year and Date
      2015-09-25
    • Related Report
      2015 Research-status Report
  • [Presentation] 大分高専が研究・開発した新しい加工技術について2015

    • Author(s)
      薬師寺輝敏
    • Organizer
      第2回ものづくり大分産学交流会
    • Place of Presentation
      別府国際コンベンションセンター(大分県別府市山の手町)
    • Year and Date
      2015-02-26
    • Related Report
      2014 Research-status Report
  • [Presentation] 摩擦加工した V 溝切欠き材の回転曲げ疲労特性2014

    • Author(s)
      佐藤 拓馬,薬師寺 輝敏,工藤 加寿弘
    • Organizer
      日本機械学会九州支部大分講演会
    • Place of Presentation
      ホルトホール大分( 大分県大分市金池南)
    • Year and Date
      2014-09-19 – 2014-09-20
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2018-03-22  

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