主要观察指标：测量神经断裂时的最大负荷、功耗，并描绘出神经应力—应变曲线。

MAIN OUTCOME MEASURES: the peak load and the power consumption were measured when the nerves ruptured and the nerve stress strain curve was described.

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在冲击负荷下，最大负荷超过了轧辊芯部材料所能承受的最大抗弯曲负荷，发生截面断裂。断裂一般产生于负荷应力为最大的截面。

Under shock load conditions the peak load can exceed the ultimate bending strength of the core material and fracture occurs, usually at the most highly stressed cross section area.

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