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| Research Progress in Damage Properties of Solid Propellant During Long-term Storage |
| Received:October 20, 2023 Revised:January 16, 2024 |
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| DOI：10.7643/issn.1672-9242.2024.02.001 |
| KeyWord:solid propellant creep damage properties constitutive model charge structure multi-scale damage creep experiment method |
| Author | Institution |
| CHEN Jiaxing |
Inner Mongolia Institute of Dynamical Machinery, Hohhot , China |
| HUANG Qiqing |
Representative Office of the Rocket Force Equipment Department stationed in Hohhot City, Hohhot , China |
| LIN Yuelong |
Inner Mongolia Institute of Dynamical Machinery, Hohhot , China |
| WU Rui |
Inner Mongolia Institute of Dynamical Machinery, Hohhot , China |
| ZHAO Meng |
Inner Mongolia Institute of Dynamical Machinery, Hohhot , China |
| HE Hongbo |
Inner Mongolia Institute of Dynamical Machinery, Hohhot , China |
| SHI Zhiwei |
Inner Mongolia Institute of Dynamical Machinery, Hohhot , China |
| YAN Zeyong |
Inner Mongolia Institute of Dynamical Machinery, Hohhot , China |
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| Abstract: |
| In this paper, the research progress of solid propellant creep properties was reviewed from three aspects:finite element analysis method, creep damage experiment design and creep damage research method. It was pointed out that the creep property lead to the meso-damage between particles and matrix in the solid propellant. The shortcomings in the present creep experimental research and numerical simulation of multi-scale property were summarized. The analysis showed that the creep experimental research difficulty lied in the research on the correspondence and data mapping relationship between the experimental results of propellant material grade and the creep effect of propellant in the actual charge structure; while the numerical simulation difficulty was the establishment of a multi-scale constitutive model of propellant damage creep and the application calculation of deformation prediction of propellant columns under self-weight load. Finally, the suggestions can provide some references for the study in solid propellant creep damage properties with long-term storage. |
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