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Titanium¶õ?

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TitaniumÀº 1790³â À×±Û·£µåÀÇ ÄÜÀ£¿¡ »ç´Â ÇÑ ¼ºÁ÷ÀÚÀ̸ç ÁöÁúÇÐÀÚÀÎ Àª¸®¾ö ±×·¹°Å¿¡ ÀÇÇØ ¹ß°ßµÇ¾ú´Ù. ±×·¯³ª 1910³â±îÁö ¼ø¼öÇÑ TitaniumÀ» ¾òÀ» ¼ö´Â ¾ø¾ú°í, 1950³â´ë Ãʱâ±îÁöµµ »ó¾÷ÀûÀÎ °¡Ä¡¸¦ Áö´Ï´Â Á¦Ç°À» ¸¸µé ¼ö ¾ø¾ú´Ù. Titanium Á¦Ç°Àº ¸Å³â ¾à 8%ÀÇ ½ÅÀåÀ» °ÅµìÇß°í, 1960³â´ë Ãʹݿ¡´Â ±º»ç¿ëºÎÅÍ »ó¾÷¿ëÀ¸·Î Áß¿äÇÑ ¼ÒÀç·Î ÀüȯµÈ´Ù. ¼ø¼öÇÑ TitaniumÀº ³ôÀº °­µµ, °¡º­¿ò, ¶Ù¾î³­ ³»±¸¼ºÀ» Áö³à Ç×°ø ¿ìÁÖ »ê¾÷¿¡¼­ Çʿ伺À» ´À²¼´Ù. 1950³â´ë¿¡, ³ôÀº °­µµÀÇ ÇÕ±Ý(alloy)ÀÌ °³¹ßµÇ¾ú°í 6-4(6% ¾Ë·ç¹Ì´½, 4% ¹Ù³ªµã, 90%Titanium)¶ó°í ¸í¸íµÇ¾ú´Ù. ±×¸®°í ¹Ù·Î ¿£Áø ºÎºÐ°ú ±âüÀÇ ºÎǰÀ¸·Î »ç¿ëµÇ¾ú´Ù. ±×·¯³ª 6-4´Â ³·Àº ¿¬¼º(ductility)À¸·Î °ü(tubing)À» ¸¸µé±â°¡ ¾î·Á¿ü´Ù. ±×·¡¼­ 3-2.5(3% ¾Ë·ç¹Ì´½, 2.5% ¹Ù³ªµã, 94.5%Titanium)¶ó ºÒ¸®´Â »õ·Î¿î ÇÕ±Ý(alloy)ÀÌ °³¹ßµÇ¾ú´Ù.¿À´Ã³¯, Ç×°ø¼ÒÀç·Î »ç¿ëµÇ´Â Titanium Æ©ºùÀº ¸ðµÎ 3-2.5 ÇÕ±ÝÀ» »ç¿ëÇÑ´Ù. À̰ÍÀº 1970³â´ë¿¡ °ñÇÁ »þÇÁÆ® °°Àº ½ºÆ÷Ã÷ ¿ëǰ¿¡ ÀÌ¿ëÇÏ°Ô µÈ´Ù. 1980³â´ë¿¡´Â ÈÙü¾î, ½ºÅ° Æú, ´ç±¸ Å¥, Å״Ͻº ¶óÄÏ µî¿¡ ÀÌ¿ëÇÏ°Ô µÈ´Ù.

ƼŸ´½ÀÇ °¡°Ý

TitaniumÀº »ó´çÈ÷ ºñ½Î´Ù. ±×·¯³ª ºñ½Ñ ÀÌÀ¯°¡ ¼ÒÀç ÀÚüÀÇ Èñ±Í¼º ¶§¹®Àº ¾Æ´Ï´Ù. »ç½Ç, Áö±¸»ó¿¡¼­ 4¹øÂ°·Î (¾Ë·ç¹Ì´½, ö, ¸¶±×³×½· ´ÙÀ½À¸·Î)¸¹Àº ±¤¹°ÀÌ´Ù. Titanium ÀÌ»êÈ­¹°ÀÇ ÇüÅ·ΠÀϹÝÀûÀ¸·Î »ç¿ëµÇ¸ç, ¿©·¯ °÷¿¡¼­ »ç¿ëµÈ´Ù. TitaniumÀÇ °¡°ÝÀÌ ºñ½ÑÀÌÀ¯´Â ´ÙÀ½°ú °°Àº ¿øÀο¡¼­ ±âÀÎÇÑ´Ù.

¨çÁ¤Á¦ºñ¿ë - TitaniumÀº ¼ø¼öÇÑ ÇüÅ·ΠÁ¸ÀçÇÏÁö ¾Ê´Â´Ù. Á¤Á¦ °úÁ¤¿¡¼­ ¸¹Àº ºñ¿ë, ÀηÂÀÌ ¼Ò¸ðµÈ´Ù.
¨è󸮺ñ¿ë - ¼ø¼öÇÑ TitaniumÀ̵ç, ´Ù¸¥ Àç·á¿Í È¥ÇÕµÈ ÇÕ±ÝÀÇ ÇüÅÂÀ̵ç, TitaniumÀº ¸Å¿ì ´Ü´ÜÇÑ ¹°Áú·Î Ư¼öÇÑ ÅøÀÌ ÇÊ¿äÇÏ°Ô µÈ´Ù. ±×¸®°í ¿­Ã³¸®¿Í ¾î´Ò¸µ(annealingÀ» À§Çؼ­´Â °ø±â¿Í ´ÜÀýµÈ ȯ°æ¿¡¼­ ÀÛ¾÷À» ÇØ¾ß ÇÑ´Ù.
¨é°¡°øºñ¿ë - Æ©ºùÀÌ ¸¸µé¾îÁö´Â µ¿¾È ¼öÂ÷·ÊÀÇ ¾î´Ò¸µÀÌ ÇÊ¿äÇÏ´Ù. ÇÑ´ëÀÇ º¸À× 747±â¿¡ ¾à 95,000ÆÄ¿îµå (¾à 43090Åæ)ÀÇ TitaniumÀÌ »ç¿ëµÈ´Ù°í ÇÏ´Ï, ÀÌÁ¤µµ¸é, ÇöÀçÀÇ »ç¿ëµÇ´Â Titanium ÇÁ·¹ÀÓÀÇ ºñÀ²À̶ó¸é 8³âµ¿¾È °ø±ÞÇÒ ¼ö ÀÖ´Â ¾çÀÌ´Ù.(¿ªÁÖ-ÃÖ±ÙÀÇ Titanium ÇÁ·¹ÀÓ, ºÎǰÀÇ Áõ°¡ Ãß¼¼¸¦ º»´Ù¸é ÃÖ´ë 8³âÀº ¾Æ´Ï¾îµµ ÃÖ¼ÒÇÑ 3~5³â ÀÌ»óÀº Á¦°øÇÒ ¼ö ÀÖ´Â ¾çÀ̶ó°í »ý°¢ÇÑ´Ù.)

ƼŸ´½ ³»½Ä¼º

¸¹Àº È­ÇÐ ¾àǰ¿¡ ´ëÇØ ƼŸ´½Àº ¶Ù¾î³­ ³»½Ä¼ºÀ» ³ªÅ¸³»Áö¸¸, ¸ðµç ¾àǰ¿¡ ´ëÇÑ ¿ÏÀü ³»½ÄÀº ¾Æ´Ï±â ¶§¹®¿¡, ƼŸ´½ÀÇ Æ¯Â¡À» Àß ÀÌÇØÇÑ ´ÙÀ½¿¡ ³»½ÄÀç·á·Î¼­ ½Ç¿ëÇϱ⸦ ¹Ù¶õ´Ù. ƼŸ´½ÀÌ ÁÁÀº ³»½Ä¼ºÀ» ³ªÅ¸³»´Â °ÍÀº ½ºÅÙ·¹½º°­ ¹× ¾Ë·ç¹Ì´½°ú °°ÀÌ, Ç¥¸é¿¡ ºÎµ¿Å »êÈ­ÇǸ·À» »ý¼ºÇÏ´Â °Í¿¡ ±âÀÎÇϰí ÀÖ´Ù°í ¼³¸íÇÒ¼ö ÀÖ´Ù. ƼŸ´½Àº »êÈ­¼º ¾àǰÀ̳ª ¿°¼Ò³ª ¿°È­¹°À» ƼŸ´½Àº »êÈ­¼º ¾àǰÀ̳ª ¿°¼Ò³ª ¿°È­¹°À» Æ÷ÇÔÇÏ´Â ¿ë¾× µî¿¡ Àß °ßµðÁö¸¸, ±× ¹Ý¸é ºñ»êÈ­¹°ÀÇ »ê ¶Ç´Â Ȱ¼º»óÅÂÀÇ ¼ö¼Ò¿Í Á¢ÃËÇÏ´Â Á¶°ÇÀ¸·Î »ç¿ëÇÏ´Â °ÍÀº ÀϹÝÀûÀ¸·Î ÇÇÇÑ´Ù´Â °ÍÀ» ¿¹»óÇÒ ¼ö°¡ ÀÖ´Ù. È­Çаø¾÷¿¡ À־ ƼŸ´½Àº ½ºÅÙ·¹½º°­ ´ë½Å »ç¿ëÇÏ°Ô µÇ¾ú´Âµ¥, ƼŸ´½ÀÇ ³»½Ä¼ºÀ» ½ºÅÙ·¹½º °­°ú ºñ±³Çϸé

¥¡) ƼŸ´½Àº ÀÀ·ÂºÎ½Ä, Á¡ºÎ½Ä, ÀÔ°èºÎ½ÄµîÀº °ÅÀÇ º¸ÀÌÁö ¾Ê´Â´Ù.
¥¢) ½ºÅÙ·¹½º °­ Á¦±â±â¿¡¼­´Â ¿­Ã³¸®, ¿ëÁ¢ ¶Ç´Â ³Ã°¢°¡°øµî¿¡ ±âÃÊÇÑ ºÎ½ÄÀÌ ¹®Á¦°¡ µÇ´Âµ¥, ƼŸ´½ Á¦±â±â¿¡¼­´Â °ÅÀÇ ¹®Á¦°¡ ¾ÈµÇ´Â ÀÌÁ¡ÀÌ ÀÖ´Ù. ƼŸ´½Àº ¿°¼Ò, Ȳ¼Ò¿Í °°Àº ºñöȭ¼ºÀÇ »ê¿¡ ´ëÇØ ³»½Ä¼ºÀÌ ÃæºÐÇÏÁö ¾ÊÀºµ¥, ƼŸ´½¿¡ ÆÈ¶óµð¿ò ¶Ç´Â ¹é±Ý µîÀÇ ±Í±Ý¼ÓÀ» ¹Ì·® ÇձݽÃ۸é , °¢Á¾³óµµÀÇ ºñµîȲ»ê¼ö ¿ë¾×¼Ó¿¡¼­ÀÇ Ti-PdÇÕ±Ý(0.15%) ¹× ¼ø¼ö ƼŸ´½ÀÇ ºÎ½Ä½ÃÇè °á°ú Ti-PdÇÕ±ÝÀº ºÎ½Ä½Ã°£ÀÌ ±ä ¸¸Å­ ºÎ½Ä·üÀÌ ÀÛ¾ÆÁö°í, ƯÈ÷ Ȳ»ê³óµµ°¡ 10%ÀÌÇÏÀÎ °æ¿ì 8½Ã°£ ÀÌÈÄ´Â ÀüÇô ºÎ½ÄÀÌ µÇÁö ¾Ê´Â´Ù´Â °ÍÀ» ¾Ë¼ö ÀÖ´Ù. ÀÌ¿Í °°ÀÌ ½ÃÇè±â°£¿¡ ÀÇÇØ ºÎ½ÄÀ²ÀÌ ÀÛ¾ÆÁö´Â °ÍÀº Ti-PdÇÕ±ÝÀÇ Æ¯¼º¿¡ ±Ù°Å¸¦ µÎ°í ÀÖ´Ù. Áï ÀÌÇÕ±ÝÀº ºÎ½Äȯ°æ¿¡ ¶ç°Ô µÈ Ãʱ⿡¼­´Â ´Ü ½Ã°£¿¡ ºÎ½ÄÇÏÁö¸¸, ƼŸ´½°ú µ¿½Ã¿¡ ³ì¾Æ¹ö¸®´Â ÆÈ¶óµð¿òÀÌ Áö±ØÈ÷ ±ÍÇϰí, ¼ö¼Ò¿Í Àü¾ÐÀÌ ÀÛÀº ±Ý¼ÓÀ̱⠶§¹«¿¡ °á±¹ ÇÕ±ÝÀÚ½ÅÀº ºÎµ¿ÅÂÈ­ÇÏ°Ô µÇ¾î, ±× °á°ú ºÎ½ÄÀÌ ¾ïÁ¦µÇ´Âµ¥ À̸£°Ô µÈ´Ù. ¼ø¼ö ƼŸ´½Àº ¶Ù¾î³­ ³»½Ä¼ºÀ» °¡Áö°í ÀÖ´Â Áú»ê, ¿°¼Ò °¡½º µîÀÌ »êÈ­¼º ȯ°æ¿¡¼­ °¡Áö´Â ³»½Ä¼ºÀÌ ¼ø¼öƼŸ´½°ú ¿ÏÀüÈ÷ ¶È°°Àºµ¥ ±×Áß È²»ê, ¿°È­¾Ë·ç¹Ì´½ ¿ë¾×°ú °°ÀÌ È¯¿ø¼º ȯ°æ¿¡ À־ÀÇ ³»½Ä¼ºÀº ƯÈ÷ ¶Ù¾î³ª´Ù. ¶Ç ȯ¿ø¼º »êÁß¿¡ »êÈ­¼º¹°ÁúÀÌ Æ÷ÇÔµÇ¾î ³»½Ä¼ºÀÌ Àß µÇ´Â ¼ø¼ö ƼŸ´½Àº Ti-PdÇձݿ¡¼­ÀÇ È¿°ú´Â ÈξÀ ¹Ì·®ÀÇ »êÈ­Á¦¿¡ ÀÇÇØ¼­µµ ºÎµ¿ÅÂÈ­°¡ ½¬¿öÁø´Ù. Ti-PdÇÕ±ÝÀº ÇöÀç ȯ¿ø¼º »êÀ» Æ÷ÇÔÇÑ ºÎ½Äȯ°æ°ú °í¿Â °í³óµµÀÇ ¿°È­¹°À» Æ÷ÇÔÇÑ ºÎ½Äȯ°æ¿¡¼­ ³Î¸® ÀÌ¿ëµÇ°í ÀÖ´Ù.

ƼŸ´½ÀÇ µî±Þ°ú ¼ÒÀç Titanium ÇÕ±ÝÀº Ư¼º»ó ±¤¹üÀ§ÇÏ°Ô »ç¿ëµÇ°í ÀÖ´Ù.

  • 1. CPCommercially Pure, or CP´Â ¼ø¼öÇÑ ÇüÅÂÀÇ TitaniumÀ» ¸»ÇÑ´Ù. Áï ´Ù¸¥ ¼ÒÀç°¡ ¼¯ÀÌÁö ¾ÊÀº ¼ø¼öÇÑ TitaniumÀ» ¸»ÇÑ´Ù. ½±°Ô Æ©ºùÀ» ¸¸µé ¼ö ÀÖ°í, ÀϺΠÇÁ·¹ÀÓ Á¦Á¶È¸»ç¿¡¼­ (À¯·´, ŸÀÌ¿Ï) º»µù (bonding)À» ÇÑ´Ù. ºñ·Ï ¸¹Àº »ê¾÷ Àç·á¿¡ CP°¡ »ç¿ëµÇ±ä ÇÏÁö¸¸, ¹«°Ô¿¡ µû¸¥ °­µµ¸¦ º»´Ù¸é 3-2.5Çձݿ¡ ¹ÌÄ¡Áú ¸øÇÑ´Ù. ½ÇÁ¦·Î Àß ¸¸µé¾îÁö´Â ½ºÆ¿º¸´Ù ¾àÇÑ °­µµ¸¦ °®°Ô µÈ´Ù. ¹Ì±¹ÀÇ °æ¿ì¸¦ º¸¸é CP¸¦ 4°³ÀÇ µî±ÞÀ¸·Î ±¸ºÐÀ» ÇÑ´Ù. »ê¼Ò ÇÔÀ¯À²¿¡ µû¶ó ³ª´©¾î Áö´Âµ¥, CPÀÇ Ç׺¹°­µµ(Yield Strength)¹üÀ§´Â 25~65ksi(1Æò¹æÀÎÄ¡´ç 100ÆÄ¿îµåÀÇ ÈûÀÌ °¡ÇØÁö´Â °Í )ÀÌ´Ù. 4µî±ÞÀÌ °¡Àå Ç׺¹°­µµ°¡ Å©°í, 1µî±ÞÀÌ °¡Àå ÀÛ´Ù.
  • 2. 3-2.5Titanium 3-2.5 ´Â 3%ÀÇ ¾Ë·ç¹Ì´½, 2.5%ÀÇ ¹Ù³ªµã ±×¸®°í 94.5%ÀÇ ¼ø¼öÇÑ TitaniumÀÌ ¼¯ÀÎ ÇÕ±ÝÀÌ´Ù. °¡Àå °­ÇÑ µî±ÞÀº AMS 105¶ó°í ºÒ¸®¿ì¸ç, ÃÖ¼Ò 105ksiÀÇ Ç׺¹°­µµ¸¦ °®°í, ÃÖ¼Ò 125ksiÀÇ ÀÎÀå°­µµ¸¦ °®´Â´Ù. ´ã±ÝÁúÀ» ÅëÇØ 15~30%ÀÇ ½ÅÀå(elongation)À» °®°Ô µÇ°í, ³Ã°¢ ÀÛ¾÷À» ÅëÇØ 10%ÀÇ ½ÅÀå(¿¬¼º)À» °®°Ô µÈ´Ù.
  • 3. 6-46-4 ÇÕ±Ý(6% ¾Ë·ç¹Ì´½, 4% ¹Ù³ªµã, 90%TitaniumÀ¸·Î ±¸¼º)Àº Ç×°ø¼ÒÀç¿¡ À־´Â ³î¶ó¿î ±Ý¼ÓÀ̾ú´Ù. ¹«°Ô ´ëºñ °­µµ¿¡ À־, ¹Ì±¹¿¡¼­ »ç¿ëµÇ´Â Titanium ÇÕ±ÝÀÇ 50%Á¤µµ°¡ ÀÌ ÇÕ±ÝÀÌ´Ù.±×·¯³ª 6-4´Â ÀÚÀü°Å ÇÁ·¹ÀÓ ¼ÒÀç·Î »ç¿ëÇϱ⿡´Â ºÎÀûÀýÇÑ ¸î °¡Áö Áß¿äÇÑ Á¡À» °¡Áö°í ÀÖ´Ù. 3-2.5¿Í ºñ±³ÇØ º¸¸é, 6-4´Â ¿¬¼ºÀÌ 30%Á¤µµ ³·´Ù. ¸ðµç 6-4 Æ©ºùÀº ´ã±ÝÁúµÈ ¾ãÀº ÆÇÀ» ÀÌ¿ëÇØ ¸¸µé¾îÁø´Ù. ÀÌ ÆÇÀ» Æ©ºêÇüÅÂÀÇ °ü¿¡ ¸»¾Æ ¿ëÁ¢ÇÏ°Ô µÈ´Ù. ÀÌ·¸°Ô ¸¸µé¾îÁö´Â Æ©ºùÀº ÇÇ·Î °­µµ¸é ¿¡¼­ ¾àÇØÁú ¼ö ÀÖ´Ù. ¿ëÁ¢ ºÎÀ§ÀÇ ºÒ±ÔÄ¢ÀûÀÎ °áÁ¤Ã¼ ¸ð¾çÀ¸·Î ÇÇ·Î Áö¼Ó¼º(endurance)ÀÌ ÁÙ¾îµé°Ô µÈ´Ù. ±×¸®°í ÀÌ·± ±¸Á¶´Â ÀÌÀ½»õ°¡ ¾ø´Â Æ©ºùó·³ Á¶ÀýÇÒ ¼ö ¾ø´Ù. ¶ÇÇÑ 6-4ÀÇ Àü´Ü °è¼ö(modulus of rigidity)°¡ 3-2.5º¸´Ù ³·´Ù. ¸¶Áö¸·À¸·Î, ¿ª½Ã °¡°ÝÀÌ Á¦ÇÑ¿äÀÎÀÌ´Ù. 6-4´Â º¸´Ù ¸¹Àº ºñ¿ëÀÌ µç´Ù.
  • 4. Russian Titanium·¯½Ã¾Æ´Â ÃÖ±Ù¿¡ ³·Àº °¡°Ý, °­ÇÑ °­µµÀÇ Titanium ÇÕ±ÝÀ» Á¦°øÇϱ⠽ÃÀÛÇß´Ù. ÀÌ·¸°Ô ÇÒ ¼ö ÀÖ´Â ÀÌÀ¯´Â ´ÙÀ½°ú °°´Ù.

    ù°, ·¯½Ã¾Æ´Â Àӱݰú Á¦¹Ý ºñ¿ëÀÌ ½Î°Ô µç´Ù. ÇÏÁö¸¸ ÀÓ±ÝÀÌ ½Ñ ´ë½Å¿¡ ¸¸Á·ÇÒ ¸¸ÇÑ ÈǸ¢ÇÑ Æ©ºùÀ» ¸¸µéÁö´Â ¸øÇÑ´Ù.
    µÑ°, ·¯½Ã¾Æ »ý»êÀÚµéÀº º¸´Ù °­ÇÑ Çձݿ¡ ´ëÇØ ¸¹Àº ÀڷḦ °¡Áö°í ÀÖ´Ù°í ÀüÇØÁø´Ù. ¿©·¯ °¡Áö ´Ù¸¥ À̸§ÀÇ ÇÕ±ÝÀÌ ¹ßÇ¥µÇÁö¸¸, »ç½ÇÀº ¹Ì±¹ÀÇ Çձݰú °ÅÀÇ À¯»çÇÏ´Ù. ¿¹¸¦ µé¸é ·¯½Ã¾ÆÀÇ VT-6 ÇÕ±ÝÀÇ °æ¿ì´Â 6-4ÀÇ ´Ù¸¥ À̸§À̶ó°í »ý°¢ÇÏ¸é µÈ´Ù. ÀÌ ÇÕ±ÝÀÇ Æ¯¼ºÀº °ÅÀÇ 6-4¿Í µ¿ÀÏÇÏ´Ù. ·¯½Ã¾ÆÀÇ VT-5 ÇÕ±ÝÀº 3-2.5¿Í ºñ½ÁÇÑ ¼º´ÉÀ» ³ªÅ¸³½´Ù. ¸î °¡Áö ¿¹°¡ ÀÖÁö¸¸ °á·ÐÀûÀ¸·Î´Â, ·¯½Ã¾Æ¿¡¼­ »ý»êµÇ´Â Æ©ºùÀÇ °æ¿ì¿¡ ¸ðµ¨¸íÀÌ ´Þ¶ó »õ·Î¿î ¼ÒÀç·Î ÀÎ½ÄµÉ ¼ö ÀÖÁö¸¸, ÀüÇô »õ·Î¿î ¼ÒÀç°¡ ¾Æ´Ï¶ó´Â Á¡°ú, °¡°ÝÀº ½ÎÁö¸¸ ÀüüÀûÀΠƯ¼ºÀ» µûÁö¸é °¡°Ý°ú ºñ·ÊÇÑ´Ù´Â Á¡ÀÌ´Ù. Áï ¹Ì±¹»êÀÇ Titanium Æ©ºù°ú °°Àº ¼º´ÉÀ» ¾ò±â À§Çؼ­´Â º¸´Ù ±î´Ù·Ó°Ô »ý»êÀ» ÇØ¾ßÇÏ°í ±×·¯±â À§Çؼ­´Â ¸ðµç ºñ¿ëÀÌ »ó½ÂÇÏ¿© ±× °¡°ÝÂ÷À̰¡ ¾ø¾îÁø´Ù´Â °ÍÀÌ´Ù.
¼ø¼ö Titanium : ¼±, ÆÇ
È­ÇмººÐ %
¿ø¼ÒH(¼ö¼Ò)N(Áú¼Ò)C(ź¼Ò)O(»ê¼Ò)Fe(ö)Ti(ƼŸ´½)
%0.0125 ÀÌÇÏ0.03 ÀÌÇÏ0.10 ÀÌÇÏ0.25 ÀÌÇÏ0.30 ÀÌÇϳª¸ÓÁö
Titanium ÇÕ±Ý (1)TIVEC : Ȩ¼±
È­ÇмººÐ %
¿ø¼ÒHNCOFeAlVTi
%0.0125 ÀÌÇÏ0.02 ÀÌÇÏ0.05 ÀÌÇÏ0.12 ÀÌÇÏ0.25 ÀÌÇÏ2.50~3.502.00~3.00³ª¸ÓÁö


(2)¥â Titanium : ¼±, ÆÇ, Ȩ¼±
È­ÇмººÐ %
¿ø¼ÒHNCOFeAlVTi
%0.015 ÀÌÇÏ0.05 ÀÌÇÏ0.10 ÀÌÇÏ0.20 ÀÌÇÏ0.25 ÀÌÇÏ2.5~3.52.0~3.0³ª¸ÓÁö


(3)¥á Type titanium alloy
±¸ºÐMechanical Properties
(normal tempareture condition)
PropertiesRelevant
Standards
condition*Tensile Strength
(N/mm2)
Yield Strength
(0.2%) (N/mm2)
Elongation(%)
SSAT-525
(Ti-5Al-25Sn)
ST828 ~793 ~10 ~Good weldability
Hear resistance
AMS 4910,4926,4966,
ASTM Gr.6
SSAT-811
(Ti8Al-1Mo-1V)
ST895 ~825 ~10 ~Heat resistanceAMS 4915,4916,
4972,4973
STA1000 ~930 ~10 ~
SSAT-6242
(Ti6Al-2Sn-4Zr-2Mo-0.08Si)
ST895 ~825 ~10 ~Heat resistanceAMS 4919,4975,4976
STA930 ~860 ~10 ~
SSAT-10CF (Ti-10Zr)ST480 ~380 ~15 ~Good cold workability
Easy for polishable
Sumitomo developed
(Cold workable alloy)
SSAT-18CF (Ti-18Zr)ST580 ~485 ~12 ~Good cold workability
Easy for polishable
Sumitomo developed
(Cold workable alloy)


(4)¥á+¥â Type titanium alloy
±¸ºÐMechanical Properties
(normal tempareture condition)
PropertiesRelevant
Standards
condition*Tensile Strength
(N/mm2)
Yield Strength
(0.2%) (N/mm2)
Elongation(%)
SSAT-3864
(Ti-3Al-8V-6Cr-4Zr-4Mo)
ST759 ~759 ~15 ~Cold Workability Good
age hardenability
AMS4957,5958ASTM
Gr.19, -C
STA1100 ~1100 ~4 ~
SSAT-64
(Ti-6Al-4V)
ST895 ~825 ~10 ~High strength Genera
purpose alloy
ASTM Gr.5, JIS 60
STA1140 ~1070 ~10 ~
SSAT-64 ELI
(Ti-6Al-4V-ELI)
ST825 ~755 ~10 ~High strength Cryogenic
property
ASTM Gr.23, JIS 60E
SSAT-662
(Ti-6Al-6V-2Sn)
ST1035 ~965 ~10 ~Good hardenabilityAMS4918
STA1205 ~1105 ~8 ~
SSAT-6246
(Ti-6Al-2Sn-4Zr-6Mo)
STA1170 ~1105 ~10 ~Creep resistanceAMS4981


(5)¥â Type titanium alloy
±¸ºÐMechanical Properties
(normal tempareture condition)
PropertiesRelevant
Standards
condition*Tensile Strength
(N/mm2)
Yield Strength
(0.2%) (N/mm2)
Elongation(%)
SSAT-3864
(Ti-3Al-8V-6Cr-4Zr-4Mo)
ST759 ~759 ~15 ~Cold workability Good
age hardenability
AMS4957, 4958 ASTM
Gr.19, -C
STA1100 ~1100 ~4 ~
SSAT-1023
(Ti-10V-2Fe-3Al)
STA1240 ~1105 ~4 ~High strength and toughness
High fatigue strength
Good hardenability
AMS 4983, 4984, 4986, 4987
SSAT-153
(Ti-15V-3Cr-3Sn-3Al)
ST745 ~690 ~12 ~Cold workability Good
age hardenability
AMS 4914
STA1100 ~965 ~7 ~
SSAT-2041CF
(Ti-20V-3.5Al-1Sn)
ST630 ~600 ~15 ~Good cold workability (ST)
High strength by short
time aging (STA)
Sumitomo developed
(Cold workable alloy)
STA1100 ~965 ~7 ~
SSAT-64AW
(Ti-6Al-4V-10Cr-1.3C)
ST895 ~825 ~-High wear resistance
Possible to build up spraying
Sumitomo developed
(wear resistance alloy)


(6)Çü»ó±â¾ïÇÕ±Ý : ¸Þ¸ð¸®¼±
¿ø¼ÒNi (´ÏÄÌ)Co (ÄÚ¹ßÆ®)Ti (Titanium)
WT (%)54.561.45³ª¸ÓÁö
AT (%)49.631.31³ª¸ÓÁö

È­ÇÐÀû ¼ººÐ

È­ÇмººÐ ¡æCHFeONTiAlVPd
Grade ¡é(max)(max)(max)(max)(max)(max)(max)(max)(max)
Gr.10.080.0150.20.180.03Bal---
Gr.20.080.0150.20.250.03Bal---
Gr.30.080.0150.30.350.05Bal---
Gr.40.080.0150.50.350.05Bal---
Gr.5 (6Al-4V)0.080.0150.30.020.05Bal5.5~6.753.5~4.5-
Gr.5
(6Al-4V ELI)
0.080.0150.250.130.05Bal5.5~6.53.5~4.5-
Gr.70.080.0150.30.250.03Bal--0.12~0.25
Gr.90.080.0150.250.150.02Bal2.5~3.52.0~3.0-
Gr.120.080.0150.30.250.03Bal---