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preformÁ¦Á¶¿ë silica´Â ÀϺ»±¹ SOHWA DENKO»ç¿¡¼ ÀüÀ¶¹ýÀ¸·Î Á¦Á¶ÇÏ¿© ½ÃÆÇÇÏ´Â ¼øµµ 99%ÀÌ»ó, ÀÔ°æ 1mmÁ¤µµÀÇ ÀüÀ¶½Ç¸®Ä«(Fused silica)¸¦ Ãâ¹ß¿ø·á·Î ÇÏ¿´À¸¸ç, ÀüÀ¶½Ç¸®Ä« ºÐ¸»ÀÇ ÀÔ°æÀÌ preform°ú º¹ÇÕüÀÇ ¹Ì¼¼±¸Á¶¿Í ¹°¼º¿¡ ¾î¶² ¿µÇâÀ» ¹ÌÄ¡´ÂÁö Á¶»çÇϱâÀ§ÇØ ÀüÀ¶½Ç¸®Ä«¸¦ ¾Ë·ç¹Ì³ªÁú Æ÷Æ®¹Ð¿¡¼ Áö¸£ÄڴϾƺ¼À» ÀÌ¿ëÇÏ¿© 24, 48, 64½Ã°£¾¿ º¼¹Ð¸µ ÇÏ¿© Ãâ¹ß¹°Áú·Î ÇÏ¿´´Ù. (ÀÌÇÏ º¼¹Ð¸µ ½Ã°£¿¡ µû¸¥ ÀüÀ¶½Ç¸®Ä«ÀÇ ºÐ¸»ÀÇ ¼Ò°áü ¹× À̵é·Î ºÎÅÍ Á¦Á¶µÇ´Â º¹ÇÕü¸¦ °¢°¢ M24, M48, M64·Î Ç¥±â ÇÔ) ¶ÇÇÑ ÀüÀ¶½Ç¸®Ä« ºÐ¸»·Î Ãâ¹ßÇÏ¿© 1250¡É¿¡¼ ¼Ò¼ºÀ» °ÅÄ£ ½Ç¸®Ä«Áú ¼Ò°áü¸¦ ±Ý¼ÓÁ¦ Áøµ¿ºÐ¼â±â·Î 30ÃÊ°£ ÀçºÐ¼âÇÑ °Í(ÀÌÇÏ ÀÔµµ ¹× ÀÌ°ÍÀ¸·Î ºÎÅÍ Á¦Á¶µÇ´Â º¹ÇÕü¸¦ NZ·Î Ç¥±â ÇÔ)µµ preformÁ¦Á¶¿ë ºÐ¸»·Î »ç¿ëÇÏ¿´´Ù.
silica preformÀÇ Ä¡È¯¹ÝÀÀ¿¡ »ç¿ëµÈ ±Ý¼Ó¾Ë·ç¹Ì´½Àº °æÁ¦Àû Ãø¸éÀ» °í·ÁÇÏ¿© ¾Ë·ç¹Ì´½ ÇÔ·® 96%ÀÎ °ø¾÷¿ë ¾Ë·ç¹Ì´½ pelletÀ» »ç¿ëÇÏ¿´´Ù.
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¼ºÇü½Ã ÃæÁø¹Ðµµ¸¦ Çâ»ó½ÃÅ°±â À§ÇÏ¿© 4Á¾ÀÇ ½Ç¸®Ä«ºÐ¸»(M24, M48, M62, N/Z)À» 100mesh ü¸¦ Åë°ú½ÃÄÑ °ú¸³È ÇÏ¿´´Ù.
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1. «»«é«ß«Ã«¯«¹, ¡°÷å󢫻«é«ß«Ã«¯«¹ªÎ˪¸ªóûùªËÓûªà ¡±, 21(1986). 2. úÅô¹ ù¥,ø¢ï£ÚÏò¤,¡°«»«é«ß«Ã«¯«¹ÐñÜÜùêî§Öù¡±, «¢«°«Í ã¯ù¦Þä(1990). 3. ãæê«ûÅìé,ѦÒöî§Öù,No.6,13-19(1982). 4. è¬××ãáú¹, `àéë«Ëûù«»«é«ß«Ã«¯«¹ªÎ ð²ÛöªÈ÷åàõ¡±, «»«é«ß«Ã«¯«¹,22, 502-507(1987). 5. ìíÌè«Ë«å-«Þ«Æ«ê«¢«ë, No.35,32-45(1987). 6. T.Beardsley, Nature,318,500(1985). 7. M.S.Newkirk, A.W.Urquhart, H.R.Zwicker and E.Breval, `Fabrication of Lanxide TM Ceramic Composite Materials¡°, J.Mater.Res.,1.81-86(1986). 8. M.S..Newkirk, H.D.Lesher, D.R.Hwite, C.R.Kennedy,A.W.Urquhart and T.D.Clear, `Preparation of LanxideTM Ceramic Matrix Composites: Matrix Formation by the Directed Oxidation of Molten Metals`,Ceram. Eng. Sci.Proc., 8, 879-885(1987). 9. áæÚâ³ìï,ì¥ÔöûúÑû,Ô«ç¨ëö,ñÐïÌú¹Ùþ,¡°«¢«ë«ß«Ê-«¢«ë«ß«Ë«å-«àÜÜùê体¡±, ÑÑáÕ,59,7êÅûÜ,61-65 (1989). 10. áæÚâ³ìï, Ô«ç¨ëö,¡°ë×体öÇüµÚã応ªËªèªëAl-Al2O3ÜÜùê体ªÎíÂ𲡱,«»«é«ß«Ã«¯«¹, 26, 222-223 (1991). 11. M.C.Breslin, J.R.Ringnalda, J.Seeger, A.L.Marasco, G.S.Daehan, and L.Fraser, `Alumina/Aluminium Co-Continuous Ceramic Composites(C4)Materials Produced by Solid/Liquid Displacement Reactions: Processing Kinetics and Microstructures`, Ceram. Eng.Sci.Proc.,15[4] 104-112(1994). 12. Çѱ¹°ø¾÷±Ô°Ý, KSL 1600(1990). 13. V.Laurent, D.Chatain and N.Eustathopoulos,¡°Wettability of SiO2 and Oxidized SiC by Aluminium`,Mater.Sci. & Eng., A135, 89-94(1991). 14. Ronald E. Loehman and Kevin Ewsuk, `Synthesis of Al2O3-Al Composites by Reactive Metal Penetration`,J.Am.Ceram.Soc., 79[1] 27-32(1996) 15. üÁà´òÁú¹, ïÌß¾ üÌ, çµÑÎÚÏëØ, `Ò±ûýÚªñ骨ªÎ slagªÎöÙìýѦϰªËμª¹ªë æÚϼ(ð¯3ÜÃ)¡°, Ò±ûýÚª, 22, 417(1970).
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