負熱膨張性マンガン窒化物の微粒子化と光透過性樹脂への配合

  • 市古 征義
    名古屋大学大学院工学研究科結晶材料工学専攻
  • 竹中 康司
    名古屋大学大学院工学研究科結晶材料工学専攻

書誌事項

タイトル別名
  • Fine-Grained Antiperovskite Manganese Nitrides with Negative Thermal Expansion for Thermal Expansion Control of Light Transmitting Plastics
  • フネツ ボウチョウセイ マンガン チッカブツ ノ ビリュウシカ ト ヒカリ トウカセイ ジュシ エ ノ ハイゴウ
  • Fine-grained antiperovskite manganese nitrides with negative thermal expansion for thermal expansion control of light transmitting polymers

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抄録

  Plastics have beneficial features of light weight and high workability, but their large thermal expansion emerges as a shortcoming for which reduction is desired in highly advanced industries. The negative thermal expansion (NTE) of antiperovskite manganese nitrides is greater than −30 ppm/K in α (coefficient of linear thermal expansion), which is several to ten times as large as that of conventional NTE materials. The giant NTE of the manganese nitrides can compensate or control large thermal expansion of plastics by forming composites. We attempt to make the fine-grained NTE manganese nitrides for thermal expansion control of light transmitting plastics. In the fine-graining process, NTE of manganese nitrides changed because of a change in the chemical composition. A technique to control NTE and grain size simultaneously is necessary for the manganese nitride filler.<br>

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 77 (10), 415-418, 2013

    公益社団法人 日本金属学会

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