1) Design and preparation of new flame-retardant and corrosion-resistant high-strength magnesium alloy and its composite material. 2) High-performance magnesium alloy casting and its special forming technology (extrusion, rolling). 3) Research on the microstructure, texture evolution and mechanical properties of light alloys.

1) H. Yu,S.H. Park,B.S.You,(*) Die angle dependency of microstructural inhomogeneity in an indirect-extruded AZ31 magnesium alloy,Journal of Materials Processing Technology,2015.10.01,224 181~188. 2) H. Yu,S.H. Park,B.S.You,(*) Development of extraordinary high-strength Mg-8Al-0.5Zn alloy via a low temperature and slow speed extrusion,Materials Science and Engineering:A,2014.7.29,610:445~449. 3) H. Yu,S.H. Park,B.S. You,Y.M. Kim,H.S.Yu,S.S. Park,(*) Effects of extrusion speed on the microstructure and mechanical properties of ZK60 alloys with and without 1 wt% cerium addition,Materials Science and Engineering: A,2 013.10.20,583:25~35. 4) H. Yu,Y.M. Kim,B.S. You,H.S. Yu,S.H. Park, (*) Effects of cerium addition on the microstructure, mechanical properties and hot workability of ZK60 alloy,Materials Science and Engineering: A,2013.1.1,559:798~807. 5) H. Yu,H.S. Yu，G.H. Min,S.S. Park,B.S. You，Y.M. Kim,(*) Strain-dependent constitutive analysis of hot deformation and hot work ability of T4-treated ZK60 magnesium alloy,Metals and Materials International, 2013.7.01,19(4):651~665.