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Production of Nonequilibrium Alloy Powders by Ultrasonic and High-Pressure Gas Atomization Method and their Properties

Research Project

Project/Area Number 61490003
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 広領域
Research InstitutionTOHOKU UNIVERSITY

Principal Investigator

INOUE Akihisa  Institute for Materials Research, Tohoku University, 金属材料研究所, 助教授 (10108566)

Co-Investigator(Kenkyū-buntansha) MATSUZAKI Kunio  Institute for Materials Research, Tohoku University, 金属材料研究所, 助手 (20181711)
KIMURA Hisamichi  Institute for Materials Research, Tohoku University, 金属材料研究所, 助手 (00161571)
Project Period (FY) 1986 – 1988
Project Status Completed (Fiscal Year 1988)
Budget Amount *help
¥5,700,000 (Direct Cost: ¥5,700,000)
Fiscal Year 1988: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1987: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1986: ¥4,700,000 (Direct Cost: ¥4,700,000)
Keywordsamorphous powder / high-pressure gas atomization / press-sintering / amorphous bulk / two-stage quenching / supercooled liquid / liquid quenching / 過冷却液体急冷法 / 過冷却微小液的 / アモルファス形成範囲 / 構造緩和量 / アモルファス合金粉末 / フレーク形状粉末 / 2段液体急冷法 / 微小過冷液滴堆積法 / 厚板状アモルファスリボン材 / アモルファスバルク材 / 高比強度材 / 超音波超高圧ガス噴霧 / 合金粉末 / 非平衡相粉末 / 真球粉末 / 塊状材 / 耐熱硬さ / 耐磨耗性
Research Abstract

A new liquid quenching equipment by utilizing an ultrasonic and high-pressure gas atomization method was designed and constructed with the aim of developing a method which can produce effectively amorphous spherical powders. Many factors of producing amorphous powders in Fe- and Co-based alloy systems were investigated and the atomization condition of producing the amorphous powders was established. Subsequently, the consolidation of the amorphous powders was tried by press-sintering at elevated temperatures. As a result, it was clarified that the consolidation is difficult for the spherical powders and the mixing of flaky powders to the spherical powders is very effective for the formation of amorphous bulks. From this information, the atomization equipment was modified so as to produce flaky powders as well as spherical powders. In the modification, the rotator was set up at the position just below the gas atomization nozzle and small atomized liquid droplets were flattened by the rotator, resulting in the formation of flaky powders with a small thickness of 1 to 3 m. Furthermore, the heat of relaxation was much larger than that for the melt-spun ribbons, indicating the achievement of much higher cooling velocities by the two-stage quenching method. The increase of cooling velocity is probably due to the subsequent cooling of super-cooled liquid droplets produced by gas atomization. In addition, the two-stage quenching technique was found to bring about the glass formation in new alloy systems such as Fe-C binary alloys and a remarkable extension of glass formation range in glass-forming alloy systems. These features of the newly developed two-stage quenching technique consisting of ultrasonic and high-pressure gas atomization followed by impact flattening of the supercooled liquid droplets are concluded to be attractive enough to confirm further progress of the two-stage quenching technique and the resulting nonequilibrium alloy powders.

Report

(4 results)
  • 1988 Annual Research Report   Final Research Report Summary
  • 1987 Annual Research Report
  • 1986 Annual Research Report
  • Research Products

    (42 results)

All Other

All Publications (42 results)

  • [Publications] A.Inoue;L.Arnberg;M.Oguchi;U.Backmark;N.Backstrom;T.Masumoto: Materials Science and Engineering. 95. 101-114 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] A.Inoue;T.Masumoto;T.Ekimoto;S.Furukawa;H.S.Chen: Metallurgical Transactions. 19A. 235-242 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] A.Inoue;L.Arnberg;M.Oguchi;U.Backmark;N.Backstrom;T.Masumoto: Transaction Iron,Steel Institute of Japan. 28. 7-15 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] A.Inoue;T.Masumoto;T.Komura;S.Desheng;M.Oguchi: Materials Science and Engineering. 97. 153-156 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] A.Inoue;Y.Tachiya;J.Saida;T.Masumoto: Science Report Research Institute of Tohoku University. Aー34. 118-127 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] S.Desheng;A.Inoue;T.Masumoto: Science Report Research Institute of Tohoku University. Aー34. 128-142 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] A.Inoue;K.Kita;K.Ohtera;H.M.Kimura;T.Masumoto: Journal Materials Science Letter. 7. 1287-1290 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M.Yamamoto;A.Inoue;T.Masumoto: Metallurgical Transactions. 20A. 5-11 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] A.Inoue;T.Komura;J.Saida;M.Oguchi;H.M.Kimura,T.Masumoto: International Journal of Rapid Solidification. 4. No.3 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] A.Inoue;J.Saida;Y.Tachiya;A.P.Tsai;T.Masumoto: Proceeding of International Meeting on Advanced Materials,(Materials Research Society). (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] A.Inoue;J.Saida;T.Masumoto: Materials Transactions,Japan Institute of Metals. 30. No.4 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Akihisa,Inoue; Lars,Arnberg; Masahiro,Oguchi; Ulf,Backmark; N. Backstrom; Tsuyoshi,Masumoto: "Preparation of Fe-Cr-Mo-C Amorphous Powders and Microstructure and Mechanical Properties of their Hot-pressed Products" Materials Science and Engineering. 95. 101-114 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Akihisa,Inoue; Tsuyoshi,Masumoto; Takao,Ekimoto; Shinji,Furukawa; Ho,Sou,Chen: "Preparation of Fe-, Co and Ni-based Amorphous Alloy Powders by High-Pressure Gas Atomization and their Structural Relaxation Behavior" Metallurgical Transactions. 19A. 235-242 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Akihisa,Inoue; Lars,Arnberg; Masahiro,Oguchi; Ulf,Backmark; N. Backstrom; Tsuyoshi,Masumoto: "Preparation of Fe-Cr-Mo-C-Si Amorphous Powders and Microstructure and Mechanical Properties of their Hot-pressed Products" Transaction Iron, Steel Institute of Japan. 28. 7-15 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Akihisa,Inoue; Tsuyoshi,Masumoto; Takahiro,Komura; S. Desheng; Masahiro,Oguchi: "Amorphous Alloy Powders with Dispersed Carbo-nitride Particles Prepared by High-Pressure Nitrogen Atomization" Materials Science and Engineering. 97. 153-156 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Akihisa,Inoue; Yuichi,Tachiya; Junji,Saida; Tsuyoshi,Masumoto: "Production of Thick Sheets of an Amorphous Fe_<77>P_<13>C_<10> Alloy by Incremental Solidification Method" Science Report Research Institute of Tohoku University. A-34. 118-127 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] S. Desheng; Akihisa,Inoue; Tsuyoshi,Masumoto: "The Influence of Atomizing Gas on the Formation of Metastable Phase Powders in an Fe_<56>Cr_<20>Si_6C_<18> Alloy on the Microstructure and Mechanical Properties of the Hot-pressed Products" Science Report Research Institute of Tohoku University. A-34. 128-142 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Akihisa,Inoue; Kazuhiko,Kita; Katsumasa,Ohtera; Hisamichi,Kimura; Tsuyoshi,Masumoto: "Al-Y-Ni Amorphous Powders Prepared by High-Pressure Gas Atomization" Journal Materials Science Letter. 7. 1287-1290 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Masami,Yamamoto; Akihisa,Inoue; Tsuyoshi,Masumoto: "Production of Nd-Fe-B Alloy Powders using High-Pressure Gas Atomization and their Hard Magnetic Properties" Metallurgical Transactions. 20A. 5-11 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Akihisa,Inoue; Takahiro,Komura; Junji,Saida; Masahiro,Oguchi; Hisamichi,Kimura; Tsuyoshi,Masumoto: "Production of Flaky Amorphous Alloy Powders in Co-Si-B System by a Two-Stage Quenching Technique of Gas Atomization and Centrifugal Spinning" International Journal of Rapid Solidification. 4. 3 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Akihisa,Inoue; Junji,Saida; Yuichi,Tachiya; An-Pang,Tsai; Tsuyoshi,Masumoto: "Preparation of Unrelaxed Amorphous Co-Si-B and Co-Fe-Si-B Alloys by Two-Stage Liquid Quenching" Proceeding of International Meeting on Advanced Materials (Materials Research Society). (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] A.Inoue;T,Masumoto;T.Ekimoto;S.Furukawa;H.S.Chen: Metallurgical Trasaction. 19A. 235-242 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] A.Inoue;L.Arnberg;M.Oguchi;U.Backmark;N.Backstrom;T.Masumoto: Transaction Iron,Steel Institute of Japan. 28. 7-15 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] A.Inoue;T.Masumoto;T.Komura;S.Desheng;M.Oguchi: Materials Science and Engineering. 97. 153-156 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] A.Inoue;Y.Tachiya;J.Saida;T.Masumoto: Science Report Research Institute of Tohoku University. A-34. 118-127 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] S.Deshend;A.Inoue;T.Masumoto: Science Report Research Institute of Tohoku University. A-34 E1988. (128-142)

    • Related Report
      1988 Annual Research Report
  • [Publications] A.Inoue;K.Kita;K.Ohtere;H.M.Kimura;T.Masumoto: Journal Materials Science Letter. 7. 1287-1290 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] M.Yamamoto;A.Inoue;T.Masumoto: Metallurgical Trasactions. 20A. 5-11 (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] A.Inoue;T.Komura;J.Saida;M.Oguchi;H.M.Kimura;T.Masumoto: International Journal of Rapid Solidification. 4. NO.3 (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] A.Inoue;J.Saida;Y.Tachiya;A.P.Tsai;T.Marumoto: Proceeding of International Meeting on Advansed Materials(Materials Research Society). 1989.

    • Related Report
      1988 Annual Research Report
  • [Publications] A.Inoue;J.Saida;T.Masumoto: Materials Transactions,Japan Inatitute of Metals. 30. NO.4 (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] A.Inoue;L.Armberg;M.oguchi;U.Bakcmark;N.Backstrom;T.Masumoto: Materials Science and Engineering. 95. 101-114 (1987)

    • Related Report
      1987 Annual Research Report
  • [Publications] A.Inoue;T.Masumoto;T.Ekimoto;S.Furukawa;H.S.Chen: Metallurgical Transactions. 19A. 235-242 (1988)

    • Related Report
      1987 Annual Research Report
  • [Publications] A.Imoue;L.Arnberg;M.Oguchi;U.Backmark;N.Backstrom;T.Masumoto: Transaction Iron,Steel Institute Japan. 28. 7-15 (1988)

    • Related Report
      1987 Annual Research Report
  • [Publications] A.Inoue;T.Masumoto;T.Komura;D.Sun;M.Oguchi: Materials Ssience and Engineering. (1988)

    • Related Report
      1987 Annual Research Report
  • [Publications] A.Inoue;T.Komura;J.Saida;M.Oguchi;H.M.Kimura;T.Masumoto: International Journal of Rapid Solidification. 3. (1988)

    • Related Report
      1987 Annual Research Report
  • [Publications] A.Inoue;Y.Tachiya;J.Saida;T.Masumoto: Science Report of Institute for Materials Research,Tohoku University. (1988)

    • Related Report
      1987 Annual Research Report
  • [Publications] Akihisa Inoue;L.Arnberg;M.Oguchi;U.Backmark;N.Backstrom;T.Masumoto: Material Science Engineering. (1987)

    • Related Report
      1986 Annual Research Report
  • [Publications] A.Inoue;T.Masumoto;T.Ekimoto;S.Furukawa;Y.Kuroda;H.S.Chen: Metallurgical Transactions.

    • Related Report
      1986 Annual Research Report
  • [Publications] A.Inoue;L.Arnberg;M.Oguchi;U.Backmark;N.Backstrom;T.Masumoto: Transaction Iron,Steel Institute of Japan. (1987)

    • Related Report
      1986 Annual Research Report
  • [Publications] S.Desheng;A.Inoue;T.Masumoto: Science Report of Research Institute for Iron,Steel and Other Metals,Tohoku University. (1987)

    • Related Report
      1986 Annual Research Report
  • [Publications] A.Inoue;T.Masumoto;T.Komura;S.Desheng;M.Oguchi: International Conference on Rapidly Quenched Metals,RQ6.

    • Related Report
      1986 Annual Research Report

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Published: 1987-03-31   Modified: 2016-04-21  

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