The factors that would affect the unstable phase transition in polymer processing were analyzed and the research in metastable state in extrusion was carried out for the first time.
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- 6、借用一个前人无法解释的现象,引出研究成型加工过程中相态变化行为的必要性,介绍了加工过程中非稳态相变行为的原因及影响因素。