请问橡胶的材料系数怎么定义?

skyboyliu

在Patran中,将橡胶考虑成超弹性体,采用mooney-revlin模型,通过系数定义其材料常数.
此模型中需要定义C1 和C2两个系数,请问这两个系数怎么定义?定义材料的对话框中哪两个是代表C1和C2的?谢谢各位!!!

tammy

你找一下《Degradation of the mechanical properties of composite vulcanizates loaded with paraffin wax》这篇文章看看

估计对你有帮助

tammy

作者:M. Abu-Abdeen
摘要:A composite of Styrene Butadiene Rubber (SBR) and Natural Rubber (NR) loaded with 40 phr of High Abrasion Furnace (HAF) carbon black is loaded with different concentrations of paraffin wax. From the stress-strain curves, Young's modulus was found to decrease with increasing the amount of added paraffin wax. The modified Mooney-Revlin equation was used to calculate the parameters C1 and C2. A plot between the true tensile stress as a function of (λ2 - -λ1) was used to calculate two parameters 0 and G, and then both the average molecular weight between crosslinks and the number of effective plastic chains per unit volume were also calculated.