运用线性粘弹性理论研究了塑料在微通道成形中的蠕变和应力松弛现象，通过应力松弛实验验证了塑料的应力松弛行为。
This paper applies linear viscoelastic theory to study on the creep and relaxation phenomena and to verify the relaxation behavior through several stress relaxation experiments.
建立了微进给机构迟滞及蠕变特性模型；
The models of hysteresis and creep characteristics are established.
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