TC4 (Ti-6A1-4V) alloy has comprehensively mechanical and machining properties and is the most widely used Ti ally, especially in aerospace and spaceflight. The conventional forming method for TC4 alloy is isothermal forming.

• TC4(Ti-6A1-4V)合金具有良好综合机械性能和加工性能,常用于航空航天器零件,是目前世界上应用最广泛的钛合金,其成熟塑性成形工艺是等温锻造。