AVIC Manufacturing Technology Institute;
Beijing 100024;
China;
Key Laboratory on Power Beam Processing;
Beijing 100024;
China;
Beijing Key Laboratory on Power Beam Metal Additive Manufacturing Technology and Equipment;
Beijing 100024;
China;
Aviation Key Laboratory of Science and Technology on Additive Manufacturing;
Beijing 100024;
China;
additive manufacturing; electron beam melting; TiAl alloy; mechanical properties; tensile; fatigue;