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分析了分流面半径在压缩过程中的变化,介绍了利用等小压下量分级变形计算法绘制理论校准曲线的步骤,提出了利用实验系数修正理论曲线误差的方法,最后对圆环镦粗试验的应用作了小结。
The change of shunt radius in the process of compression is analyzed. The steps of drawing a theoretical calibration curve by the method of equal pressure reduction and fractional deformation are introduced. The method of using the experimental coefficient to correct the theoretical curve error is introduced. Finally, The application made a summary.