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Age-hardening and Related Phase Transformation and Microstructural Changes in a Dental Ag-Au-Cu-Pd Alloy
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KMID : 0362220100370040367
Abstract
Á¶¼ºÀÌ Áß·®À¸·Î 46.0 wt% Au - 39.5 wt% Ag - 7.47 wt% Cu - 6.0 wt% Pd - 1.0 wt% Zn - 0.03 wt% IrÀÎ Ä¡°ú¿ë Àú±Ý ÇÕ±ÝÀÇ ½ÃÈ¿°æȰŵ¿, »ó º¯ÅÂ, ¹Ì¼¼±¸Á¶ÀÇ º¯È ±×¸®°í ¿ø¼ÒºÐÆ÷ÀÇ º¯È¸¦ Á¶»çÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. ¿ëÃ¼È Ã³¸® µÈ ½ÃÆíÀ» 400¡É¿¡¼ ½Ãȿó¸® ÇÔ¿¡ µû¶ó ±âÁöÀÎ Ag-Au-based (Cu-containing) ¥á0»óÀÌ Ag-Au-based (Cu-depleted) ¥á1 »ó°ú AuCu I»óÀ¸·Î ºÐ¸®µÇ¾î ¥á0, ¥á1, AuCu I »óÀÌ ±âÁö¿¡ °øÁ¸ÇÏ¸é¼ °ÝÀÚ µÚƲ¸²ÀÌ »ý°å°í, ÀÌ·Î ÀÎÇØ »ó°£ °è¸é¿¡ º¯ÇüÀåÀÌ Çü¼ºµÇ¾î °æµµ¸¦ Áõ°¡½ÃÄ×´Ù. °ÝÀÚ µÚƲ¸²À¸·Î ÀÎÇÑ ³»ºÎÀÀ·ÂÀ» ÇؼÒÇϱâ À§ÇØ Ãþ»ó±¸Á¶¸¦ Çü¼ºÇÏ´Â °áÁ¤¸³°è ¹ÝÀÀÀÌ ½ÃÀ۵Ǿú °í, °ú½ÃÈ¿ ÇÔ¿¡ µû¶ó Ãþ»ó±¸Á¶´Â ÀÔ³»·Î ¼ºÀåÇÏ°í Á¶´ëÈ µÇ¾ú´Ù. Á¶´ëÈ´Â Ãþ »çÀÌÀÇ °è¸éÀ» °¨¼Ò½ÃÄÑ °ÝÀÚ µÚƲ¸²À» ÇؼÒÇÏ°í °æµµ °¨¼Ò¿¡ ±â¿©ÇÏ¿´´Ù. ÀÔÀÚÇü ±¸Á¶ÀÇ PdZn»óÀº ¿ëÃ¼È Ã³¸®µÈ »óÅ¿¡¼ºÎÅÍ Á¸ÀçÇÏ¿´À¸³ª, ½Ãȿó¸® °úÁ¤ Áß¿¡ º¯È°¡ ¾ø¾ú ´ø °ÍÀ¸·Î º¸¾Æ °æµµº¯È¿¡ ±âÀÎÇÏÁö ¾Ê¾Ò´Ù.
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Ag-Au-Cu-Pd alloy; AuCu I phase; Age-hardening; Phase transformation
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