^pof;
Mechanical;
and;
Electronic;
Engineering,;
Jiangxi;
University;
of;
Science;
and;
Technology,;
Ganzhou;
341000,;
China;
^pNonferrous;
Metal;
Processing;
Engineering;
Research;
Center,;
Ganzhou;
341000,;
China;
^pInstitute,;
Jiangxi;
University;
of;
Science;
and;
Technology,;
Ganzhou;
341000,;
China;
半固态铝合金; 细化机制; 钇; mg合金; 精炼; 晶粒尺寸; 颗粒形态; 低温浇注;