Prediction of impact properties of polyolefin foams

被引：24
|
作者：
Iannace, F
Iannace, S
Caprino, G
Nicolais, L
机构：
[1] Univ Naples Federico II, Inst Composite Mat Technol, ITMC, CNR, I-80125 Naples, Italy
[2] Univ Naples Federico II, Dept Mat & Prod Engn, I-80125 Naples, Italy
来源：
POLYMER TESTING | 2001年 / 20卷 / 06期
关键词：
foam; polyolefin; prediction; impact; viscoelasticity;
D O I：
10.1016/S0142-9418(00)00085-4
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The mechanical response of PP foam at a wide range of strain rate was investigated. The linear and non-linear viscoelastic behavior was analyzed. The material was tested with creep and dynamic-mechanical experiments and the correlation between strain rate effects and viscoelastic properties of the foam was obtained using viscoelasticity theory and separating strain and time effects. A scheme for the prediction of stress strain curve at any strain rate was developed introducing a strain rate dependent scaling factor. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：643 / 647
页数：5
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