公开(公告)号：EP3561097A1

公开(公告)日：2019-10-30

申请号：EP17883943.7

申请日：2017-12-21

申请人： POSCO ,  Research Institute of Industrial Science & Technology

发明人： PARK, Woo-Jin ,  EOM, Hyung-Sub ,  CHOI, Dae-Hwan ,  KIM, Sang-Jin

IPC分类号： C22C23/02 ,  C22C1/02 ,  C22F1/06 ,  C22F1/00

摘要： An aspect of the present invention relates to a high strength magnesium alloy with excellent flame retardancy, wherein the magnesium alloy comprises 2.0-13.0 wt% of Al, 0.1-0.5 wt% of Mn, 0.0015-0.025 wt% of B, and 0.1-1.0 wt% of Y with the remainder comprising Mg and other unavoidable impurities, and comprises 6.5% or more of an Mg-Al intermetallic compound in terms of volume fraction, the Mg-Al intermetallic compound having an average grain size of 20-500 nm.