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Ư¼öºñÆÄ±«°Ë»ç(Special NDT Technique)

TOFD(Time Of Flight Diffraction)

TOFD ±â¹ýÀº ÃÊÀ½ÆÄÀÇ È¸Àý Çö»óÀ» ÀÌ¿ëÇÑ ºñÆÄ±«°Ë»ç ¹æ¹ýÀÔ´Ï´Ù. ¼Û½Å ¹× ¼ö½Å¿ë Á¾ÆÄ °æ»ç°¢ ŽÃËÀÚ¸¦ °Ë»ç ´ë»óü Ç¥¸é¿¡ ´ëĪÀ¸·Î ¹èÄ¡Çϰí, ÃÊÀ½ÆÄ¸¦ ¼Û¼ö½Å½Ã۸é Ç¥¸éÀ» ÀüÆÄÇÏ´Â ÆÄ(Lateral wave)¿Í Àú¸é ¹Ý»çÆÄ(Back wall reflection) À̿ܿ¡ °áÇÔÀÌ Á¸ÀçÇÒ °æ¿ì °áÇÔÀÇ »ó´ÜºÎ ¹× ÇϴܺηκÎÅÍ È¸Àý ÃÊÀ½ÆÄ(Upper tip & Lower tip)°¡ ¼ö½ÅµË´Ï´Ù. À̶§, ȸÀý ÃÊÀ½ÆÄÀÇ µµÂø½Ã°£À¸·ÎºÎÅÍ °áÇÔÀÇ ±íÀÌ ¹× ³ôÀ̸¦ ±¸ÇÏ´Â ±â¹ýÀ¸·Î °áÇÔÀÇ °ËÃâ °¨µµ°¡ ¸Å¿ì ³ô°í °áÇÔ ¹æÇâ¿¡ µû¸¥ °¨µµÀÇ ¿µÇâÀ» ¹ÞÁö ¾ÊÀ¸¸ç °áÇÔÀÇ ±íÀÌ ÃøÁ¤ Á¤È®µµ°¡ ¸Å¿ì ³ôÀº ÀåÁ¡ÀÌ ÀÖ½À´Ï´Ù.

»ç¿ë Àåºñ : Omni-Scan MX2, Focus PX, Omni-Scan X3, Gekko 64:128, ISONIC 3510

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