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±â»ç¸í Studies on the Vibrational Modal Analysis of Solid Woods for making the Violin - Part 2. The effects of coating materials on the resonant frequency of European spruce and maple / Studies on the Vibrational Modal Analysis of Solid Woods for making the Violin - Part 2. The effects of coating materials on the resonant frequency of European spruce and maple
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¼ö·Ï»çÇ× Çѱ¹°¡±¸ÇÐȸÁö(±¸. °¡±¸) , v.11 n.1(2000-06)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(45) ÃÑÆäÀÌÁö(8)
ISSN 1226-3109
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¿ä¾à1 ÀϹÝÀûÀ¸·Î µµ¸·ÀÇ Ë§àõÀº ¸ñÀçÀÇ Ë§àõ¿¡ ºñÇØ ³·À¸¹Ç·Î µµÀåµÈ ¼ÒÀçÀÇ °­¼ºÀÌ ¹é°ñÀç¿¡ ºñÇØ ³·¾ÆÁú °ÍÀ¸·Î ÁüÀÛÇÒ ¼ö ÀÖÀ¸¹Ç·Î º» ¿¬±¸¿¡¼­´Â ¹ÙÀ̿ø°¿ë ¼ÒÀçÀÎ À¯·´»ê °¡¹®ºñ³ª¹«¿Í ´Üdz³ª¹«¿¡ Åõ¸í·¡Ä¿¿Í ÀüÀüÅë¿ÌÄ¥À» µµÆ÷ÇÑ ÈÄ, Áøµ¿¸ðµå¸¦ ÇØ¼®ÇÏ°í °øÁøÁ֯ļö¸¦ ºñ±³ÇÔÀ¸·Î½á ¼öÁ¾º° µµ·á Á¾·ù¿¡ µû¸¥ À½ÇâÆ¯¼ºÀÇ º¯È­¾ç»óÀ» ºÐ¼®ÇϰíÀÚ ÇÏ¿´´Ù . ºÐ¼®°á°ú , µµÀåÀüÈÄÀÇ ±âº»Áøµ¿¸ðµå´Â µ¿ÀÏÇÏ¿´°í ¾ç ¼öÁ¾ °øÈ÷ µµ·áÀÇ Á¾·ù¿¡ °ü°è¾øÀÌ µµÀåÀçÀÇ °øÁøÁ֯ļöÀÇ °¨¼Ò°¡ È®ÀεǾúÀ¸¸ç °¡¹®ºñ³ª¹«ÀÇ °æ¿ì , ¸ðµå°¡ Áõ°¡ÇÒ¼ö·Ï Á֯ļö Êõá´øëÀÌ Áõ°¡ÇÏ¿´À¸³ª ¿ÌÄ¥ÀÌ Åõ¸í·¡Ä¿¿¡ ºñÇØ ±× °¨¼ÒÆøÀÌ Àû¾ú´Ù. ´Üdz³ª¹«ÀÇ °æ¿ì¿¡µµ »óÀ§ º¸µå¿¡¼­ ´õ Å« ÀÚÆÄ¼ö °¨¼Ò¸¦ ³ªµû³ÂÁö¸¸ ¿ÌÄ¥°ú Åõ¸í·¡Ä¿ÀÇ Á֯ļö °¨¼ÒÆøÀÌ ÀÏÁ¤Ä¡ ¾Ê¾Ò´Ù.
¿ä¾à2 It was thought that the stiffness of a coated specimen became lower than that of the solid wood because the stiffness of the dried film of coating material is lower than that of the solid wood. The authors were trying to compare the effect of lacquer varnish and rhus lacquer on the resonant frequency of the solid woods for the violin, spruce and maple. Vibration modal shape of coated specimens were same to those of solid woods, but the frequency became lower at each mode as were expected regardless of coat. Frequency decrement of coated specimen was getting larger at upper mode in both European violin woods, however, rhus lacquer coated spruce specimens were less affected than lacquer varnish coated specimens. Key words: violin, spruce, maple, modal analysis, resonant frequency, cutting direction, lacquer varnish, rhus lacquer
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