Abstract: According to Eshelby′s micromechanics theory,a viscoelastic constitutive relation was obtained for composite soild propellent from constitutive law of the matrix and particle.The results show that the particles have reinforced effects to matrices in microlevel

Key words: Composite propellent;Micromechanics;Viscoelastic mechanics;Constitutive equation

摘要： 从基体和微粒本构关系出发， 应用Ｅｓｈｅｌｂｙ 等效夹杂理论及宏观平均理论的分析方法， 确定复合体的本构关系， 从细观层次揭示弹性微粒对粘弹基体的增强效应。

关键词: 复合推进剂;微观力学;粘弹性力学;本构方程