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2Â¥2014-02-22 17:28:24
mac194
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3Â¥2014-03-10 01:24:59
mac194
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Öù×´¾§¾ßÓÐÓÅÁ¼µÄ¿¹Èä±äºÍ¿¹Æ£ÀÍÄÜÁ¦¡¢×¿Ô½µÄµçѧºÍÐźŴ«ÊäÐÔÄÜ£¬Í¬Ê±¾ßÓÐÒÖÖÆÁÑÎÆÀ©Õ¹µÈÓŵ㣬Òò´ËÑо¿Öù×´¾§Éú³¤¹ý³Ì¼°ÆäÓ°ÏìÒòËØ¾ßÓзdz£ÖØÒªµÄ¿ÆÑ§ÒâÒåºÍʵ¼ÊÓ¦ÓüÛÖµ (¸ù¾ÝÔÎÄ) Columnar crystals increase creep, fatigue, and thermal crack resistance, as well as electrical conductivity and signal transmission. To the extent cutting tools already benefit from being coated with vapor-deposited TiCN [1], future research into columnar crystal cultivation holds even greater promise for electronics [2,3] and other industries. For example, a patent [4] already exists for making columnar crystal scintillators by vapor deposition. (ÂÛÎÄÕªÒª) A novel cultivation method is presented for growing columnar crystals whose promise of higher creep, fatigue, and thermal crack resistance have already by realized by cutting tool manufacturers [1]. Methods more efficient than vacuum induction [5] are applied to promote directional solidification processes [6] responsible for columnar crystal formation. ×¢Òâ: ¼ÇµÃ¸ÄÓñê×¼ÒýÓñê×¢ [1] Tangaloy 2007 Catalog http://www.tungaloy.co.jp/common ... g/e/01_grades_e.pdf [2] "the PCB Magazine" http://www.magazines007.com/emag ... nd/PCB-June2013.pdf [3] Shengbei PCB website http://www.shenbeipcb.com/en/ind ... tid=3&id=87 [4] US20130186943A1 Patent [5] MODIFICATION OF PURE Al AND AlSi2 ALLOY PRIMARY STRUCTURE WITH USE OF ELECTROMAGNETIC STIRRING METHOD http://www.imim.pl/files/archiwum/Vol3_2013/55.pdf [6] ¶¨ÏòÄý¹ÌÖÆ±¸¶à¾§¹èÖù×´¾§µÄÑо¿ http://d.wanfangdata.com.cn/periodical_zsdxxb2009z2029.aspx ------------------------------------------ ÖØÒª:¼ÇµÃ²éÄãµÄľ³æÂÛ̳ÐÅÏä !! ------------------------------------------ Tungaloy2007.jpg PCB Copper.jpg Shenbei PCB.jpg US20130186943A1.jpg ELECTROMAGNETIC STIRRING p1.jpg ELECTROMAGNETIC STIRRING p3.jpg ¶¨ÏòÄý¹ÌÖÆ±¸¶à¾§¹èÖù×´¾§µÄÑо¿.jpg |
4Â¥2014-03-10 04:13:06
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5Â¥2014-03-10 06:17:41













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