含Zr镁合金晶粒细化机理与研究进展

刘勇, 曾刚, 刘洪, 王煜, 李建龙

Grain Refinement Mechanism and Research Progress of Magnesium Alloy Incorporating Zr

LIU Yong, ZENG Gang, LIU Hong, WANG Yu, LI Jianlong

表1 镁合金中常用溶质元素的生长限制因子(Q)[25,45,46,58]

Table 1 Growth restriction factors (Q) of common solute elements in magnesium alloys[25,45,46,58]

Element Q Element Q Fe 52.56[45] Nd 3.557[25] Zr 38.29[45] Sm 2.943[25] Ca 11.94[45] Pr 2.909[25] Si 9.25[45] La 2.895[25] Ni 6.13[45] Tb 2.073[25] Zn 5.31[45] Eu 2.490[25] Cu 5.28[45] Gd 1.025[25] Ge 4.41[45] Ho 0.860[25] Al 4.32[45] Dy 0.828[25] Sb 0.53[45] Tm 0.557[25] Mn 0.15[45] Er 0.524[25] Sr 3.51[58] Lu 0.123[46] Ce 2.74[58] Na 6.878[46] Sc 3.96[58] Pd 4.070[46] Yb 2.53[58] Co 3.178[46] Y 1.70[58] Ag 2.675[46] Sn 1.47[58] Cd 2.644[46] Pb 1.03[58] Li 2.034[46]