一般说来，整个轧制过程要经过许多道次的轧制，因为金属必须经过逐步压缩，才能得到最后所需的形状。
Generally a number of rolling passes are required in the whole process, because the metal must be reduced gradually to the final shape required.
结果表明：闭孔泡沫铝的轧制应遵循多道次、小变形的原则。
The results showed that in the rolling process of closed-cell aluminum foam the basic principle is multiple pass with small deformation, eg.
采用三维热机耦合有限元模型和静力隐式算法，对多道次连轧稳态轧制过程进行模拟分析。
Marc, this paper deals with modeling of steady deformation process in multi-pass continuous rolling process with a 3D thermo-mechanical coupled FE model and static implicit algorithm.
采用三维热机耦合有限元模型和静力隐式算法，对多道次连轧稳态轧制过程进行模拟分析。
Marc, this paper deals with modeling of steady deformation process in multi-pass continuous rolling process with a 3D thermo-mechanical coupled FE model and static implicit algorithm.
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