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¿µÁøÄÚÆÛ·¹ÀÌ¼Ç Á¾ÇÕÄ«´Ù·Î±× |
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Introduction
Silicon Carbide ´Â °æµµ°¡ ¸Å¿ì ³ô°í, ¹«°Ô°¡ °¡º±°í ¶ÇÇÑ ³ôÀº ¾ÐÃà °µµ µîÀÇ Æ¯Â¡À» °¡Áø ¼¼¶ó¹Í »ê¾÷¿¡¼ ³Î¸® »ç¿ëµÇ´Â Àç·áÀÔ´Ï´Ù.
Silicon Carbide ÆÄ¿ì´õ »ùÇÃÀÇ ÀÔÀÚ Å©±â ºÐÆ÷ (PSD) ´Â Ç°Áú °ü¸®¿Í °øÁ¤ ÃÖÀûȸ¦ À§ÇÑ ¸Å¿ì Áß¿äÇÑ Æ¯Â¡ÀÔ´Ï´Ù.
ISO 13318 ¿¡ µû¸¥ STEP¢ç ±â¼ú ±â¹ÝÀÇ Multisample Analytical Centrifugation À» ÅëÇØ Particle Size Analysis ¸¦ ¼öÇàÇϸé
½Ç¸®ÄÜ Ä«¹ÙÀ̵å ÆÄ¿ì´õÀÇ ÁúÀû ¹× ¾çÀû Ư¼º ÆľÇÀ» ¸Å¿ì È¿À²ÀûÀ¸·Î ÇÒ ¼ö ÀÖ½À´Ï´Ù.
Specific Surface Area ¿Í Particle Size Distribution »çÀÌÀÇ »ó°ü °ü°èµµ È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù.
Measurements
Aqueous Tetrasodium Diphosphate Solution ¿¡ Silicon Carbide ÆÄ¿ì´õ¸¦ ºÐ»ê½ÃŲ ÈÄ
LUMiSizer¢ç ºÐ»ê¾ÈÁ¤¼º ºÐ¼®Àåºñ¸¦ ÀÌ¿ëÇÏ¿© ¿ø½É·ÂÀ» ÀÌ¿ëÇÏ¿© ½Ã·á¸¦ ħ° ºÐ¸®¸¦ ÇÏ¿´½À´Ï´Ù.
¿ø½É·ÂÇÏ¿¡¼ ÆÄ¿ì´õ ºÐ»ê¿ë¾×ÀÇ Ä§° ºÐ¸® ÇüÅ´ ÀÔÀÚµéÀÌ °¢±â ´Ù¸¥ ¼Óµµ·Î ħ°ÇÏ´Â
Polydisperse Sedimentation ÇüÅ (no sharp front) ¸¦ ³ªÅ¸³»°í Àִµ¥ ÀÌ´Â ÀÔÀÚµéÀÌ ¸Å¿ì ¾ÈÁ¤ÇÑ
Colloidal Dispersions Áï ÀÔÀÚµé »çÀÌ¿¡ aggregation ÀÌ ÀϾÁö ¾Ê°í ¸Å¿ì ¾ÈÁ¤ÇÑ ÇüŸ¦ °¡Áö°í ÀÖ´Ù´Â °ÍÀ» ÀǹÌÇÕ´Ï´Ù.
Results
´ÙÀ½Àº ISO 13318 ±ÔÁ¤¿¡ ÀÇÇØ ÃøÁ¤µÈ Silicon Carbide ÆÄ¿ì´õ µéÀÇ Cumulative Volume Weighted Particle Size Distributions À¸·Î¼
ÀÔÀÚ A ¿¡¼ ÀÔÀÚ D ·Î °¡¸é¼ ÀÔÀÚÀÇ Specific Surface Area °¡ Áõ°¡ÇÑ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ´Ù.
Volume weighted density distributions of Silicon carbides A (left) and D (right)
Summary
Transmission Profile ¿¡¼ ¾Ë ¼ö ÀÖµíÀÌ ¸ðµç ½Ã·áÀÇ ÀÔµµ ºÐÆ÷´Â ¸Å¿ì ³Ð°Ô ºÐÆ÷ÇÏ°í ÀÖÀ¸¸ç ÀÔÀÚÀÇ Ç¥¸éÀûÀÌ Áõ°¡Çϸé ÇÒ¼ö·Ï ÀÔÀÚ Å©±â´Â °¨¼ÒÇÏ°í ÀÖ½À´Ï´Ù.
Å×½ºÆ®¸¦ ¿©·¯¹ø ¹Ýº¹ÇÏ¿©µµ µ¿ÀÏÇÑ °á°ú¸¦ º¸ÀÌ°í ÀÖ¾î Å×½ºÆ®ÀÇ ÀçÇö¼ºÀÌ ¸Å¿ì Ź¿ùÇÏ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ½À´Ï´Ù.
ºÐ¼®ÀåºñÀÇ ¼ÒÇÁÆ®¿þ¾îÀÎ SEPView¢ç ÇÁ·Î±×·¥Àº ½ÇÇè ÇÁ·ÎÅäÄÝ ¿Ü¿¡µµ ´Ù¾çÇÑ ºÐÆ÷ À¯Çü, Ç¥ÁØ ÆíÂ÷°ª °è»ê µî ¸Å¿ì ´Ù¾çÇÑ ½ÇÇèÀû ºÐ¼® µ¥ÀÌÅ͸¦ Á¦°øÇÕ´Ï´Ù.
SEPView¢ç ¼ÒÇÁÆ®¿þ¾îÀÇ ºÐ¼® ÇÁ·ÎÅäÄÝ ³»¿¡¼´Â ÃøÁ¤ ÇÁ·ÎÅäÄÝ, ´Ù¾çÇÑ ºÐÆ÷ À¯Çü, Á¶È Æò±Õ°ª, Ç¥ÁØ ÆíÂ÷, ÀûÇÕ ÇÔ¼ö µî Ãß°¡ ¼¼ºÎ »çÇ×À» Á¦°øÇÕ´Ï´Ù.
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