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Construction of microfabrication technology for niobium titanium alloy with low elastic modulus similar to bone

Research Project

Project/Area Number 17K06095
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Production engineering/Processing studies
Research InstitutionKanazawa Institute of Technology

Principal Investigator

Kato Hideharu  金沢工業大学, 工学部, 教授 (90278101)

Co-Investigator(Kenkyū-buntansha) 森本 喜隆  金沢工業大学, 工学部, 教授 (00290734)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2017: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywordsニオブチタン合金 / 低弾性率 / 難加工性 / 微細加工 / 合金組織 / レーザー刃先処理 / バインダレスナノダイヤモンド焼結体 / 生体適合性
Outline of Final Research Achievements

The Nb-Ti alloy considered herein has a relatively low young’s modulus of about 60GPa. In addition, the alloy is composed two elements of Nb and Ti, which have extremely low cytotoxicity, and has excellent properties as an implant material. Although manufacturing and shaping implants requires cutting processes to be performed, there has been no research on the cutting of Nb-Ti alloy. In the present study, the influences of tool film material and cutting speed on tool life were investigated by milling of Nb-Ti alloy using a small ball end mill tool. The results of these investigations indicate that the tool life can be extended by using a diamond-coated tool and that a cutting speed of 15.0 m/s provides the longest tool life.

Academic Significance and Societal Importance of the Research Achievements

Nb-Ti合金材料の微細加工技術の開発においては、(a) 最適工具材料の選定と形状成形、(b) Nb-Ti合金材料の微細切削機構の解明が需要なポイントであり,本研究ではダイヤモンド被膜工具の刃先処理を施した工具が有効であることを明らかとしており,最適条件を選定するうえで必要となる切削機構の解明を行った.これにより,生体適合性に優れ低い弾性率を有するNb-Ti合金材料の微細加工の高能率化が可能となり,人工歯根部品などへの適用への可能性を高められた.

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (5 results)

All 2020 2019 2018 2017

All Presentation (5 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] 小径ボールエンドミル工具を用いた高硬度金型材料のミーリング加工に関する研究(異なる切削環境が切削特性に及ぼす影響)2020

    • Author(s)
      野村 優太, 加藤 秀治
    • Organizer
      日本機械学会北陸信越支部 第 57 期総会・講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] ダイヤモンドコ-テッド工具を用いたニオブチタン合金のミーリング加工に関する研究2019

    • Author(s)
      瀧本桃子,中村風人,加藤秀治
    • Organizer
      2019年度精密工学会春季大会学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] A STUDY ON MILLING OF NIOBIUM-TITANIUM ALLOY WITH A SMALL BALL END MILL TOOL2018

    • Author(s)
      Kazato NAKAMURA,KATO HIDEHARU,Momoko TAKIMOTO
    • Organizer
      International Symposium on Flexible Automation 2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 小径ボールエンドミル工具を用いたニオブチタン合金のミーリング加工 (切削速度の違いが工具寿命に及ぼす影響)2018

    • Author(s)
      中村風人,加藤秀治,瀧本桃子
    • Organizer
      第12回 生産加工・工作機械部門講演会(2018)
    • Related Report
      2018 Research-status Report
  • [Presentation] 小径ボールエンドミル工具を用いたNb-Ti合金のミーリング加工に関する研究2017

    • Author(s)
      中村風人,加藤秀治
    • Organizer
      2017年度精密工学会北陸信越支部学術講演会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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