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2002 Fiscal Year Final Research Report Summary

Research & Development for the Sintering of Ceramics by Microwaves

Research Project

Project/Area Number 12792016
Research Category

Grant-in-Aid for University and Society Collaboration

Allocation TypeSingle-year Grants
Research Field Nuclear fusion studies
Research InstitutionNational Institute for Fusion Science

Principal Investigator

SATO Motoyasu  SATO,Motoyasu, 大型ヘリカル研究部, 教授 (60115855)

Co-Investigator(Kenkyū-buntansha) HIRAI Toshio  岐阜県セラミックス研究所, 研究開発部長
SHIMOTUMA Takasi  核融合科学研究所, 助教授 (80270487)
MUTOH Takashi  核融合科学研究所, 教授 (90115949)
KAGOHASI Akira  高砂工業株式会社, 開発部長
TAKAYAMA Sadatugu  岐阜県セラミックス研究所, 主任研究員
Project Period (FY) 2000 – 2002
KeywordsMicrowave / Sintering / Isothermal Barrier / Fine ceramics / Energy saving / Rapid sintering / Stress free / Bridging Academy and Industry
Research Abstract

National Institute for Fusion Science and Gifu Prefectural Institute of Ceramics has been successful in bridging the science and technology by developing an idea of self-consistent isothermal barrier. It has certain dielectric constant and loss-tangent to be heated by microwave at 2.45GHz in keeping the equal temperatures and equal rising rates with the work pieces. The energy flow by radiation/convection balances between the work pieces and the inner most wall of the kiln. The thermal energy flux balances on the surface of work pieces, i.e. zero in total. Under such an ideal thermal insulation, work pieces get energy only by electric field of microwave and heat themselves uniformly. The stress free system realizes the rapid sintering.
Through the development of the microwave kilns, energy consumptions were measured. Roughly speaking, it is the rapidity of microwave heating that saves the energy. It inhibits the grain growth and numbers and size of pores. We designed and manufactured more than ten microwave kilns for industries in 2001, including pure microwave roller hearth.

  • Research Products

    (11 results)

All Other

All Publications (11 results)

  • [Publications] M.Sato, S.Takayama: "Insulation Blankets of 2.45GHz Microwave Sintering of Traditional Ceramics"Theory and application in Materials Processing V, American ceramic society (2nd World Congress on Microwave & Radio Frequency Processing). MWP-CE-13. 216-221 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Sato: "RECENT DEVELOPMENT of MICROWAVE KILNS for INDUSTRES in JAPAN(invited)"MicrowaveandRadiofrequencyApplications, Proc.3rdWorld Congress on Microwave & Radio Frequency Processing. 281-288 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Sato: "Development of Microwave Kilns for Industries in Japan"Proc.9^<th> International Conference on MW and RF Heating(APERE). 051MWP (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Sato: "Sintering Experiments on Ceramic-Metal Compounds by Microwave"Proc.9^<th> International Conference on MW and RF Heating(APERE). 052MWP

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Sato: "Modeling of microwave kilns with isothermal barrier walls(Invited)"Conference Proceedings of "Progress in Electromagnetics Research Symposium(PIERS)". (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 佐藤元泰(共著): "初歩から学ぶ「マイクロ波応用技術」"(株)工業調査会. 300 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Sato: "Insulation Blankets of 2.45GHz Microwave Sintering or Traditional Ceramics", Microwaves : Theory and application in Materials Processing V"American Ceramic Society (2nd World Congress on Microwave & Radio Frequency Processing, MWP-CE-13, Florida, 2000). (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Sato: "RECENT DEVELOPMENT of MICROWAVE KILNS for INDUSTRIES in JAPAN (Invited)"Microwave and Radiofrequency Applications, Proc. 3rd World Congress on Microwave & Radio Frequency Processing. 281-288

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Sato: "Development of Microwave Kilns for Industries in Japan"Proc. 9^<th> International Conference on MW and RF Heating (APERE). 051MWP. (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Sato: "Sintering Experiments on Ceramic-Metal Compounds by Microwave"Proc. 9^<th> International Conference on MW and RF Heating (APERE). 052 MWP. (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Sato: "Modeling of microwave kilns with isothermal barrier walls (Invited)"Conference Proceedings of "Progress in Electromagnetics ResearchSymposium (PIERS)". (2003)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2005-04-19  

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