Research on Mechanics Performance of Composite Propellant with Nonlinear Interface Debonding
Received date: 2009-07-28
Online published: 2025-05-28
曲凯 , 张旭东 , 李高春 . 复合固体推进剂非线性界面脱粘的力学性能研究[J]. 弹箭与制导学报, 2010 , 30(3) : 114 -118 . DOI: 10.15892/j.cnki.djzdxb.2010.03.005
The composite propellant with high particle volume fraction is made up of the matrix and the particle. It is of great impor-tance to establish micromechanics model of the composite propellant. The Mori-Tanaka method was used to study the effect of non-linear interface debonding on the constitutive behavior of composite propellant. The cohesive law of the particle and matrix was based on the model of parabola. According to result analysis, it is found that the model of parabola better simulates the behaviors of debonding of the matrix and the particle. It is also found that the composite propellant with different particle size, different vol-ume fraction and the max stress of the particle and matrix may leads to very different macroscopic behaviors.
Key words： interface debonding; nonlinear; cohesive law; micromechanics
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