Modeling the thermomechanical effects of crystallization in natural rubber: II. Elementary thermodynamic properties

被引：9
|
作者：
Negahban, M
机构：
[1] Univ Nebraska, Dept Engn Mech, Lincoln, NE 68588 USA
[2] Univ Nebraska, Ctr Mat Res & Anal, Lincoln, NE 68588 USA
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2000年 / 37卷 / 20期
关键词：
natural rubber; crystallization; thermodynamics; continuum modeling; non-isothermal; heat capacity; crystallinity; phase transition; kinetics of crystallization;
D O I：
10.1016/S0020-7683(99)00122-5
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The model proposed in the first part of this series for characterizing the thermomechanical response of natural rubber during crystallization is used in this article to model the elementary thermodynamic properties of natural rubber. In particular, known experimental results for the heat capacity, heat of fusion, fundamental melting temperature, and equilibrium crystallinity are used to calculate specific material functions associated with the proposed model. Based on these material parameters the model is used to evaluate the dependence of equilibrium crystallinity on pressure and temperature. The dependence of the melting temperature on pressure is also evaluated. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2791 / 2809
页数：19
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