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Solidification process of largely undercooled Fe-based alloy melt by fluxing

Research Project

Project/Area Number 17560585
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Physical properties of metals
Research InstitutionAkita Prefectural University

Principal Investigator

BITOH Teruo  Akita Prefectural University, システム科学技術学部, 准教授 (40315643)

Co-Investigator(Kenkyū-buntansha) MAKINO Akihiro  東北大学, 金属材料研究所, 教授 (30315642)
Project Period (FY) 2005 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,000,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2007: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2006: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2005: ¥600,000 (Direct Cost: ¥600,000)
Keywords構造・機能材料 / 結晶工学 / 金属物性 / 磁性 / ナノ材料
Research Abstract

Fe基金属ガラスにB2O3 フラックス処理を施し, 不均質核生成の原因となる介在物を除去することにより, 直径7.7 mm のFe-Co-B-Si-Nb 金属ガラス大型試料の作製に成功した。またフラックス処理と銅鋳型鋳造法を組み合わせることにより, Fe-Co-B-Si-Nb 金属ガラスの軟磁気特性を向上させた。更に, フラックス処理により液相からの核生成を制御することにより, 低透磁率と低保磁力を兼備した, 金属ガラス相と結晶相の複合材料を開発した

Report

(5 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (30 results)

All 2009 2008 2007 2006 2005 Other

All Journal Article (13 results) (of which Peer Reviewed: 9 results) Presentation (14 results) Remarks (3 results)

  • [Journal Article] Constant permeability of (Fe_<0.75>B_<0.20>Si_<0.05>)_<96>Nb_4 bulk metallic glass prepared by B_2O_3 flux melting and Cu-mold casting2009

    • Author(s)
      T. Bitoh and D. Shibata
    • Journal Title

      Journal of Applied Physics vol.105, 07A312

      Pages: 3-3

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Constant permeability of (Fe_<0.75>B_<0.20>Si_<0.05>)_<96>Nb_4 bulk metallic glass prepared by B_2O_3 flux melting and Cu-mold casting2009

    • Author(s)
      T. Bitoh, D. Shibata
    • Journal Title

      Journal of Applied Physics 105

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Soft magnetic Fe-based metallic glasses prepared by fluxing and water-quenching2008

    • Author(s)
      T. Yamamoto, N. Yodoshi, T. Bitoh, A. Makino and A. Inoue
    • Journal Title

      Reviews on Advanced Materials Science vol.18

      Pages: 126-130

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Improvement of Soft Magnetic Properties of [(Fe_<0.5>Co_<0.5>)_<0.75>B_<0.20>Si_<0.05>]_<96>Nb_4 Bulk Metallic Glass by B_2O_3 Flux Melting2008

    • Author(s)
      T. Bitoh and D. Shibata
    • Journal Title

      Journal of Applied Physics vol.103, 07E702

      Pages: 3-3

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Soft magnetic Fe-based metallic glasses prepared by fluxing and water-quenchine2008

    • Author(s)
      T. Yamamoto, N. Yodoshi, T. Bitoh, A. Makino, A. Inoue
    • Journal Title

      Reviews on Advanced Materials Science 18

      Pages: 126-130

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Improvement of Soft Magnetic Properties of [(Fe_<0.5>Co0.5)_<0.75>B_<0.20>Si_<0.05>]_<96>Nb_4 Bulk Metallic Glass by B_2O_3 Flux Melting2008

    • Author(s)
      T. Bioth and D. Shibata
    • Journal Title

      Journal of Applied Physics 103

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Soft Magnetic Bulk Glassy Alloy Synthesized by Flux Melting and Water Quenching2007

    • Author(s)
      A. Makino, T. Bitoh, A. Inoue and A. L. Greer
    • Journal Title

      Materials Science Forum vols.539-543

      Pages: 1921-1925

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Soft Magnetic Bulk Glassy Alloy Synthesized by Flux Melting and Water Quenching2007

    • Author(s)
      A.Makino, T.Bitoh, A.Inoue, A.L.Greer
    • Journal Title

      Materials Science Forum vols. 539-543

      Pages: 1921-1925

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Large Bulk Soft Magnetic [(Fe_<0.5>Co_<0.5>)_<0.75>B_<0.20>Si_<0.05>]_<96>Nb_4 Glassy Alloy Prepared by B_2O_3 Flux Melting and Water Quenching2006

    • Author(s)
      T. Bitoh, A. Makino, A. Inoue and A. L. Greer
    • Journal Title

      Applied Physics Letters vol.88, 182510

      Pages: 3-3

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Formation of Large Bulk [(Fe_<0.5>Co_<0.5>)_<0.75>B_<0.20>Si_<0.05>]_<96>Nb_4 Glassy Alloy by Flux Melting and Water Quenching2006

    • Author(s)
      T. Bitoh, A. Makino, A. Inoue and A. L. Greer
    • Journal Title

      Materials Research Society Symposium Proceedings (Boston, Materials Research Society) vol.903E, Z05-18

      Pages: 6-6

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Origin of Low Coercivity of (Fe_<0.75>B_<0.15>Si_<0.10>)_<100-x>Nb_x(x=1-4) Gkassy Alloys2006

    • Author(s)
      T.Bitoh, A.Makino, A.Inoue
    • Journal Title

      Journal of Applied Physics vol. 99, no. 8

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Large Bulk Soft Magnetic [(Fe_<0.5>Co_<0.5>)_<0.75>B_<0.20>Si_<0.05>]_<96>Nb_4 Glassy Alloy Prepared by B_2O_3 Flux Melting and Water Quenching2006

    • Author(s)
      T.Bitoh, A.Makino, A.Inoue, A.L.Greer
    • Journal Title

      Applied Physics Letters vol. 88, no. 18

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Formation of Large Bulk [(Fe_<0.5>Co_<0.5>)_<0.75>B_<0.20>Si_<0.05>]_<96>Nb_4 Glassy Alloy by Flux Melting and Water Quenching2006

    • Author(s)
      T.Bitoh, A.Makino, A.Inoue, A.L.Greer
    • Journal Title

      Materials Research Society Symposium Proceedings vol.903E (online)

    • Related Report
      2005 Annual Research Report
  • [Presentation] Constant permeability of (Fe_<0.75>B_<0.20>Si_<0.05>)_<96>Nb_4 bulk metallic glass prepared by B_2O_3 flux melting and Cu-mold casting2008

    • Author(s)
      T. Bitoh and D. Shibata
    • Organizer
      53rd Annual Conference on Magnetism and Magnetic Materials
    • Place of Presentation
      Austin, TX, USA
    • Year and Date
      2008-11-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Constant permeability of (Fe_<0.75>B_<0.20>Si_<0.05>)_<96>Nb_4 bulk metallic glass prepared by B_2O_3 flux melting and Cu-mold casting2008

    • Author(s)
      T. Bitoh, D. Shibata
    • Organizer
      53rd Annual Conference on Magnetism and Magnetic Materials
    • Place of Presentation
      Austin, Texas, USA
    • Year and Date
      2008-11-11
    • Related Report
      2008 Annual Research Report
  • [Presentation] フラックス鋳造法で作製したFe-B-Si-Nb 金属ガラスの磁気特性2008

    • Author(s)
      尾藤輝夫, 柴田大樹
    • Organizer
      日本金属学会2008年秋期(第143)大会
    • Place of Presentation
      熊本大学
    • Year and Date
      2008-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] フラックス鋳造法で作製したFe-B-Si-Nb金属ガラスの磁気特2008

    • Author(s)
      尾藤輝夫, 柴田大樹
    • Organizer
      日本金属学会2008年秋期(第143)大会
    • Place of Presentation
      熊本大学
    • Year and Date
      2008-09-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] Improvement of Soft Magnetic Properties of [(Fe_<0.5>Co_<0.5>)_<0.75>B_<0.20>Si_<0.05>]_<96>Nb_4 Bulk Metallic Glass by B_2O_3 Flux Melting2007

    • Author(s)
      T. Bitoh and D. Shibata
    • Organizer
      52nd Annual Conference on Magnetism and Magnetic Materials
    • Place of Presentation
      Tampa, FL, USA
    • Year and Date
      2007-11-06
    • Related Report
      2008 Final Research Report
  • [Presentation] Improvement of Soft Magnetic Properties of [(Fe_<0.5>Co0.5)_<0.75>B_<0.20>Si_<0.05>]_<96>Nb_4 Bulk Metallic Glass by B_2O_3 Flux Melting2007

    • Author(s)
      T. Bitoh and D. Shibata
    • Organizer
      52nd Annula Conference on Magnetism and Magnetic Materials
    • Place of Presentation
      Tampa, Florida, USA
    • Year and Date
      2007-11-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] フラックス処理による金属ガラスの軟磁気特性の向上効果2007

    • Author(s)
      柴田大樹, 尾藤輝夫
    • Organizer
      日本金属学会2007年秋期(第141)大会
    • Place of Presentation
      岐阜大学
    • Year and Date
      2007-09-19
    • Related Report
      2008 Final Research Report
  • [Presentation] フラックス処理による金属ガラスの軟磁気特性の向上効果2007

    • Author(s)
      柴田大樹, 尾藤輝夫
    • Organizer
      日本金属学会2007年秋期(第141回)大会
    • Place of Presentation
      岐阜大学
    • Year and Date
      2007-09-19
    • Related Report
      2007 Annual Research Report
  • [Presentation] Fe基金属ガラス大型試料の作製とその磁気的・機械的性質2006

    • Author(s)
      尾藤輝夫
    • Organizer
      あきた産学連携フォーラム2006-知の種苗交換会
    • Place of Presentation
      秋田ビューホテル
    • Year and Date
      2006-11-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Fe基バルク金属ガラスに及ぼすフラックス処理の影響2006

    • Author(s)
      吉年規治, 山本篤史郎, 牧野彰宏, 井上明久, 尾藤輝夫
    • Organizer
      日本金属学会2006年秋期(第139)大会
    • Place of Presentation
      新潟大学
    • Year and Date
      2006-09-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Formation of Large Bulk [(Fe_<0.5>Co_<0.5>)_<0.75>B_<0.20>Si_<0.05>]_<96>Nb_4 Glassy Alloy by Flux Melting and Water Quenching2005

    • Author(s)
      T. Bitoh, A. Makino, A. Inoue and A. L. Greer
    • Organizer
      2005Materials Research Society Fall Meeting
    • Place of Presentation
      Boston, MA, USA
    • Year and Date
      2005-11-28
    • Related Report
      2008 Final Research Report
  • [Presentation] フラックス法によるFe-Co-B-Si-Nbバルク金属ガラスの作製2005

    • Author(s)
      尾藤輝夫, 牧野彰宏, 井上明久, A. L. Greer
    • Organizer
      日本金属学会2005年秋期(第137)大会
    • Place of Presentation
      広島大学
    • Year and Date
      2005-09-30
    • Related Report
      2008 Final Research Report
  • [Presentation] Fe基軟磁性金属ガラスー低保磁力の起源とフラックス法による大型試料作製の試み2005

    • Author(s)
      尾藤輝夫, 牧野彰宏, 井上明久, A. L. Greer
    • Organizer
      第31回過冷金属研究会
    • Place of Presentation
      東北大学
    • Year and Date
      2005-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] フラックス法によるFe基過冷却液体の作製2005

    • Author(s)
      尾藤輝夫, 牧野彰宏, 井上明久, A. L. Greer
    • Organizer
      粉体粉末冶金協会平成17年度春季大会
    • Place of Presentation
      早稲田大学
    • Year and Date
      2005-06-01
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.akita-pu.ac.jp/system/mise/material_structure/bitoh/research.htm#GA

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.akita-pu.ac.jp/system/mise/material_structure/bitoh/research.htm#GA

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.akita-pu.ac.jp/system/mise/material_structure/bitoh/research.htm#GA

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2005-04-01   Modified: 2016-04-21  

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