The higher the cooling rates, the greater the thermal stress, and the lower the toughness and the cold bending property of test sample.
冷却速度快，试样产生的热应力大，导致冲击韧性及冷弯性能降低。
The higher the cooling rates, the greater the thermal stress, and the lower the toughness and the cold bending property of test sample.
冷却速度快，试样产生的热应力大，导致冲击韧性及冷弯性能降低。
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