Temperature and time relaxation of complex Young's modulus of isotropic and oriented polymers

被引：1
|
作者：
Bronnikov, SV [1 ]
Vettegren, VI
机构：
[1] Russian Acad Sci, Inst High Mol Weight Cpds, St Petersburg 196140, Russia
[2] AF Ioffe Physicotech Inst, St Petersburg, Russia
来源：
MECHANICS OF COMPOSITE MATERIALS | 1999年 / 35卷 / 01期
关键词：
D O I：
10.1007/BF02260813
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The experimental temperature and time dependences of real and imaginary components of Young's modulus of isotropic and oriented polymers is analyzed. An attempt to describe them in the region of relaxation transition is undertaken with the help of relaxation spectrometry. For this purpose, the distribution, function for the relaxation times is approximated by a rectangular distribution. As a result, an approximate formula for the description of temperature/time relaxation of Young's modulus in the region of relaxation transition is derived, suitable for both oriented and isotropic polymers.
引用
收藏
页码：63 / 70
页数：8
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