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介绍了利用超塑成形方法成形直径为Φ410mm的钛合金半球件，并用三维有限元程序对成形过程进行了数值模拟，对数值模拟结果和实际成形件进行了对比分析。
Introduced the use of superplastic forming method for forming titanium alloy hemispherical Φ410mm diameter, and using three-dimensional finite element program for the forming process of numerical simulation, the numerical simulation results and the actual forming parts were compared.