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METHOD FOR PRODUCING SIC FIBER-REINFORCED SIC COMPOSITE MATERIAL BY MEANS OF HOT PRESS

外国特許コード F040000544
整理番号 (A071P85)
掲載日 2005年2月22日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2001JP009363
国際公開番号 WO 2002/081405
国際出願日 平成13年10月25日(2001.10.25)
国際公開日 平成14年10月17日(2002.10.17)
優先権データ
  • 特願2001-104186 (2001.4.3) JP
発明の名称 (英語) METHOD FOR PRODUCING SIC FIBER-REINFORCED SIC COMPOSITE MATERIAL BY MEANS OF HOT PRESS
発明の概要(英語) A method for producing a SiC fiber-reinforced SiC composite material by means of a hot press, which comprises providing a powdery mixture comprising a SiC fine powder and, as a sintering auxiliary, a powder of one or more oxides selected from among Al2O3, Y2O3, SiO2 and CaO, admixing the powdery mixture with a SiC precursor resin and dispersing it homogeneously, to thereby prepare a resin slurry for forming a matrix, impregnating a SiC fiber formed product, which exhibits high crystalinity and has a nearly stoichiometric composition, with the resin slurry, and subjecting the impregnated product to hot pressing under pressure at a temperature of 1600 u or higher under a condition wherein a liquid phase is present. In the method, the use of a SiC fiber having high resistance to heat as a reinforcing fiber results in the production of a SiC fiber-reinforced SiC composite material having a high density and being excellent in mechanical properties by one time hot pressing with an elevated sintering temperature.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • Japan Science And Technology Corporation
  • 発明者(英語)
  • Kohyama, Akira
  • Katoh, Yutai
国際特許分類(IPC)
参考情報 (研究プロジェクト等) CREST Social Systems for Better Environment Performance AREA
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