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聚醚醚酮物理老化行为与成型模拟

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Indexed by:Journal Papers

Date of Publication:2019-10-01

Journal:高分子材料科学与工程

Included Journals:EI、PKU

Volume:35

Issue:10

Page Number:131-137

ISSN No.:1000-7555

Key Words:聚醚醚酮;物理老化;屈服应力;注塑成型

Abstract:通过对注塑成型聚醚醚酮(PEEK)试样进行人工加速物理老化实验,得到试样屈服应力随物理老化时间的变化规律,以132℃为参考温度最终拟合得到以PEEK屈服应力为表征的物理老化模型.基于此模型并结合时温等效原理,预测PEEK注塑成型及后期物理老化过程中的屈服应力变化,并通过实验进行了验证.

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