| Project/Area Number |
12792016
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| Research Category |
Grant-in-Aid for University and Society Collaboration
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| Allocation Type | Single-year Grants |
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| Research Field |
Nuclear fusion studies
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| Research Institution | National Institute for Fusion Science |
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Principal Investigator |
SATO Motoyasu SATO,Motoyasu, 大型ヘリカル研究部, 教授 (60115855)
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| 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
水野 正敏 岐阜県セラミックス技術研究所, 主任研究員
室賀 健夫 核融合科学研究所, 炉工学研究センター, 教授 (60174322)
BYRON Pererson 核融合科学研究所, 大型ヘリカル研究部, 助手 (00280595)
籠橋 章 高砂工業株式会社, 開発事業部, 研究室長
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| Project Period (FY) |
2000 – 2002
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| Project Status |
Completed (Fiscal Year 2002)
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| Budget Amount *help |
¥24,700,000 (Direct Cost: ¥24,700,000)
Fiscal Year 2002: ¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 2001: ¥23,000,000 (Direct Cost: ¥23,000,000)
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| Keywords | Microwave / Sintering / Isothermal Barrier / Fine ceramics / Energy saving / Rapid sintering / Stress free / Bridging Academy and Industry / マイクロ波焼成 / セラミックス・陶磁器 / 還元 / 金属粉末 / チタン粉末冶金 / 不均一加熱 / 汎用周波数 / 断熱法 / セラミックス / 陶磁器 / 連続焼成炉 / 不均-加熱 |
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| 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.
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