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在GLEEBLE1500热／力模拟实验机上首次对OCr21N6Ti双相不锈钢进行了超塑性能研究，并获得了良好的超塑性能，同时确定了其超塑性成形的最佳工艺参数将得出的最佳工艺参数应用于超塑性气压胀形工艺，在1000kN超塑性成形机上一次整体成形出了由OCr21N6Ti钢制造的一种带有侧凸的复杂零件
The superplasticity of OCr21N6Ti duplex stainless steel was studied for the first time on GLEEBLE1500 heat / force simulator, and good superplasticity properties were obtained. Meanwhile, the optimum process parameters of the superplastic forming process were obtained Used in superplastic pressure bulge forming process, the 1000kN superplasticity forming machine integrally formed by the OCr21N6Ti steel with a scoliosis of the complex parts