The equal-channel angular pressing (ECAP) had achieved the potential for obtaining ultra-fine grain and improving mechanical properties.

等径弯曲通道变形（简称ECAP）具有获得超细晶组织和改善力学性能的潜力。

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Based on the investigation of die Angle, pressing route and pressing temperature, the optimum parameters were chosen in the experiments of equal channel angular pressing (ECAP).

在对等通道角挤压中模具通道夹角、挤压路线和挤压温度研究的基础上，确定了实验中的理想工艺。

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The effect of billet size on the effective strain and unit extrusion pressure was investigated during equal channel angular pressing.

研究了坯料尺寸对等径角挤压材料等效应变及单位挤压力的影响。

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