US 11,795,533 B2
Heat-resistant and soluble magnesium alloy, preparation method and use thereof
Jixue Zhou, Jinan (CN); Yunteng Liu, Jinan (CN); Dongqing Zhao, Jinan (CN); Baichang Ma, Jinan (CN); Meifang Wang, Jinan (CN); Peiliang Li, Jinan (CN); Cong Liu, Jinan (CN); and Shouqiu Tang, Jinan (CN)
Assigned to QILU UNIVERSITY OF TECHNOLOGY, Shandong (CN); and ADVANCED MATERIALS INSTITUTE, SHANDONG ACADEMY OF SCIENCES, Shandong (CN)
Filed by QILU UNIVERSITY OF TECHNOLOGY, Shandong (CN); and ADVANCED MATERIALS INSTITUTE, SHANDONG ACADEMY OF SCIENCES, Shandong (CN)
Filed on May 13, 2020, as Appl. No. 15/931,104.
Claims priority of application No. 201910434832.7 (CN), filed on May 23, 2019.
Prior Publication US 2020/0370156 A1, Nov. 26, 2020
Int. Cl. C22F 1/06 (2006.01); C22C 23/00 (2006.01); C22C 23/06 (2006.01); B22D 7/00 (2006.01)
CPC C22F 1/06 (2013.01) [B22D 7/005 (2013.01); C22C 23/00 (2013.01); C22C 23/06 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A heat-resistant and soluble magnesium alloy, having a composition at the following atomic percentage:
Lu 0.10% to 8.00%, Ce 0.001 to 0.05%, Al 0.10% to 0.60%, Ca 0.001% to 0.50%, Cu 0.01% to 1.00%, Ni 0.01% to 1.00%, impurity elements <0.30%, and the rest is Mg;
wherein the magnesium alloy comprises high temperature phases of Lu5Mg24, Mg2Cu, Mg2Ni, Mg12Ce, Al11Ce3 and (Mg, Al)2Ca, and long period stacking ordered (LPSO) phases of Mg—Lu—Al and Mg—Ce—Al.