简单拉伸下高聚物粘结炸药的损伤测量及损伤演化研究

罗景润; 李大红; 张寿齐; 赵方芳; 赵玉华

doi:10.11858/gywlxb.2000.03.008

简单拉伸下高聚物粘结炸药的损伤测量及损伤演化研究

doi: 10.11858/gywlxb.2000.03.008

1.
中物院结构力学研究所，四川绵阳 621900；
2.
中物院流体物理研究所，四川绵阳 621900；
3.
中国工程物理研究院，四川绵阳 621900；
4.
中物院研究生部，四川绵阳 621900

详细信息

通讯作者:
罗景润

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出版历程
- 收稿日期: 1999-09-08
- 修回日期: 2000-02-28
- 发布日期: 2000-09-05

Damage Evolution of PBX under Simple Tension

1.
Institute of Structural Mechanics, CAEP, Mianyang 621900, China;
2.
Institute of Fluid Physics, CAEP, Mianyang 621900, China;
3.
China Academy of Engineering, Mianyang 621900, China;
4.
Graduate School, CAEP, Mianyang 621900, China

More Information

Corresponding author: LUO Jing-Run

摘要

摘要: 在简单拉伸载荷下高聚物粘结炸药呈现出非线性力学行为，这种非线性特性是由于材料内部损伤的演化和发展所致。采用弹性模量下降法测量了高聚物粘结炸药的损伤变量，据此建立了这类材料的损伤演化方程和本构关系，理论结果与实验结果吻合，并进一步讨论了高聚物粘结炸药的损伤度量方法和损伤特性。
- 高聚物粘结炸药 /
- 损伤演化 /
- 本构关系
Abstract: The nonlinearity of PBX mechanical behaviors under simple tension was treated as the result of damage evolution, and damage parameter was measured experimentally. A damage evolution equation was derived. The prediction from the constitutive relation including elastic damage effect agrees well with the experimental results. Damage character and its measurement method were also discussed.
- polymer-bonded explosive /
- damage evolution /
- constitutive relation

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参考文献(12)

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