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    • 62. 发明公开
    • PROCESS FOR PRODUCING INORGANIC-FIBER-BONDED CERAMIC MATERIAL
    • VERFAHREN ZUR HERSTELLUNG EINES MIT ANORGANISCHEN FASERN GEBUNDENEN KERAMIKMATICIALS
    • EP2832709A4
    • 2015-03-25
    • EP13768590
    • 2013-03-21
    • UBE INDUSTRIES
    • MATSUNAGA KENJIKAJII SHINJISUIZU SHOHEIKODAMA TSUTOMU
    • C04B35/80B32B18/00C04B35/628C04B35/645
    • C04B35/645B29C43/10B29C43/14B29C2043/106B29C2043/3205B32B18/00C04B35/10C04B35/593C04B35/6268C04B35/62849C04B35/62897C04B35/80C04B2235/524C04B2235/5244C04B2235/5256C04B2235/5264C04B2235/6587C04B2235/661C04B2235/96C04B2237/38C04B2237/70
    • Provided is a method for producing an inorganic fiber-bonded ceramic material, which can produce, at a high yield, an inorganic fiber-bonded ceramic material with fewer defects, and with an end part and a central part equivalent to each other in microstructure and mechanical properties, and also makes it possible to increase the ceramic material in size. The method for producing an inorganic fiber-bonded ceramic material is characterized in that it includes: a first pressing step of setting, in a carbon die, a laminate to be surrounded by a ceramic powder, the laminate obtained by stacking a coated inorganic fiber shaped product including an inorganic fiber part of inorganic fibers that have a pyrolysis initiation temperature of 1900°C or lower, and a surface layer of an inorganic substance for bonding the inorganic fibers to each other, and pressing the laminate at a temperature of 1000 to 1800°C and a pressure of 5 to 50 MPa in an inert gas atmosphere; and a second pressing step of pressing a ceramic coated laminate obtained in the first pressing step at a temperature of 1600 to 1900°C, which is higher than that in the first pressing step, and at a pressure of 5 to 100 MPa in an inert gas atmosphere.
    • 本发明提供一种无机纤维结合陶瓷材料的制造方法,其能够以高收率生产缺陷较少的无机纤维结合陶瓷材料,并且其端部和中心部分相当于微观结构和 机械性能,并且还可以增加陶瓷材料的尺寸。 无机纤维结合陶瓷材料的制造方法的特征在于,包括:第一加压工序,在碳纤维模具中设置被陶瓷粉末包围的层叠体,将通过层叠被覆无机纤维状 包括热解开始温度为1900℃以下的无机纤维的无机纤维部分和无机纤维​​彼此粘合的无机物质的表面层,在1000〜1800℃的温度下挤压层叠体 在惰性气体气氛中,压力为5〜50MPa; 以及第二压制步骤,在第一压制步骤中获得的陶瓷涂覆层压板在1600至1900℃的温度下压制,其温度高于第一压制步骤,并且在5-100MPa的压力下,在惰性 气体气氛。