分析了定径过程中钢管内金属流动和弹复行为。
Stress and metal flow in steel tube during sizing process were analyzed.
本文提出用弹性变形能与弹复变形能的差值来确定残留变形能的方法。
A method of energy difference between elastic deformation and elastic-recovery deformation is developed to determine the residual deformation energy.
其中对预弯形状进行了重点分析，提出了考虑弹复补偿时预弯形状设计的思路。
Shape of pre-bending was emphasized and the idea of pre-bending was brought forward in consideration of the springback compensation.
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