When the shear band spacing reaches the critical value, shear cracks occur and continuously extend, finally resulting in the fracture failure.

当间距减小到一定值时产生剪切裂纹并不断扩展，最终导致断裂破坏。

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Based on the theoretic model of one-dimensional shear deformation under high rate loading, a relation of width and spacing for adiabatic shear band to cutting speed is proposed.

通过对高应变速率一维剪切变形理论模型的分析，提出了绝热剪切带宽度和间距与切削速度的关系式。

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