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|本期目录/Table of Contents|

高温下聚氨酯软泡压缩力学性能的研究

《应用力学学报》[ISSN:1000-4939/CN:61-1112/O3]

期数:
2019年02期
页码:
343-348
栏目:
出版日期:
2018-12-18

文章信息/Info

Title:
Research on the compression mechanical properties of flexible polyurethane foam at high temperature
作者:
黄萌萌冯志华倪俊芳
苏州大学 机电工程学院 215021 苏州
Author(s):
Huang Mengmeng Feng Zhihua Ni Junfang
School of Mechanical and Electrical Engineering, Soochow University, 215021, Suzhou, China
关键词:
聚氨酯软泡本构模型高温粘弹性
分类号:
O343.5
DOI:
10.11776/cjam.36.02.B131
文献标识码:
A
摘要:
根据聚氨酯软泡的组织构成,将材料的粘弹性分为聚氨酯基体的粘弹性与气体和基体间的摩擦两部分,提出了高温下聚氨酯软泡的一种本构模型。然后,对一类聚氨酯软泡进行了不同恒定温度下材料压缩松弛实验。结果表明,随着温度升高,材料的粘弹性特征越来越来明显,成型性也随之呈现并逐渐加强。最后,根据实验数据,对本文提出的本构模型进行了参数拟合,通过实验结果与模型拟合结果的对比,发现本构模型拟合曲线与实验数据吻合程度高,并且模型的预测结果与实验结果具有很好的一致性,验证了所建模型的正确性。为聚氨酯软泡在高温下的使用与加工提供了理论依据。

参考文献/References

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