When the cumulative reduction ratio reaches 30%, about 67% of the inner region of the axial forging is modified fully.

当压下率达到约30%时，随材料心部有67%的区域充分改性；

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When the cumulative reduction ratio reaches 30%, about 67% of the inner region of the axial forging is modified fully.

当压下率达到约30%时，随材料心部有67%的区域充分改性；

youdao