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[2] ÀîÓÂ,°Í ·¢ º£,Ðí º× ¾ý.3D ´ò Ó¡ ¼¼ Êõ µÄ ·¢ Õ¹ ºÍ Ìô Õ½ [J].Àí»¯¼ìÑé(ÎïÀí·Ö²á),2018,54(11):799-804.
[3] ÒüÑà,ÁõÅôÓî,·³¬,µÈ.Ñ¡Çø¼¤¹âÈÛ»¯³ÉÐÍ316L²»Ðâ ¸Ö΢¹Û×éÖ¯¼°ÀÉìÐÔÄÜ·ÖÎö[J].º¸½Óѧ±¨,2018,39 (8):77-81.
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[5] ÅíСÃô,ÐìÈô,Àî°½,µÈ.¹¤ÒÕ²ÎÊý¶Ô316L²»Ðâ¸ÖÑ¡Çø ¼¤¹âÈÛ»¯³ÉÐÍ×éÖ¯ÐÔÄܵÄÓ°Ïì[J].ºþÄϹ¤³ÌѧԺѧ ±¨(×ÔÈ»¿Æѧ°æ),2019(4):26-32.
[6] CASATIR,LEMKEJ,VEDANIM.Microstructure andfracturebehaviorof316Lausteniticstainlesssteel producedbyselectivelaser melting[J].Journalof MaterialsScience & Technology,2016,32(8):738- 744.
[7] ²ÌÐÂÈÙ,ΤÉú,ÂÀÔö,µÈ.304/304L ºÍ 316/316L °ÂÊÏ Ìå²»Ðâ¸Öº¸½ÓÐÔÄܵĶԱÈÓë·ÖÎö[J].¸Ö½á¹¹,2012, 27(Ôö¿¯1):366-369.
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