State;
Key;
Laboratory;
for;
Mechanical;
Behavior;
of;
Materials,;
School;
of;
Materials;
Engineering,;
Xi'an;
Jiaotong;
University,;
Xi'an;
710049,;
China;
School;
of;
Materials;
&;
Chemical;
Engineering,;
Xi'an;
Technological;
University,;
Xi'an;
710032,;
China;
TiB2; Al3Ti; 热力学分析; Al-4.5Cu合金; 相位;