Study of Ablation Properties of Silicone Rubber Composite under Particle Erosion

WANG Jinjin;ZHA Bailin;ZHANG Yan;ZHANG Wei;SU Qingdong

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 2019, Vol. 40 ›› Issue (4) : 848-856. DOI: 10.3969/j.issn.1000-1093.2019.04.020
Paper

Study of Ablation Properties of Silicone Rubber Composite under Particle Erosion

  • WANG Jinjin1, ZHA Bailin1, ZHANG Yan2, ZHANG Wei1, SU Qingdong1
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Abstract

An oxygen-kerosene gas generator which can adjust the jet and particle concentration is adopted for studying the ablation properties of silicon rubber composite under the particle erosion. Ablation tests under the conditions of ablation angles of 15-45 degrees and particle mass concentrations of 0-3.69% were carried out. The influence of particle erosion on ablation rate was analyzed. The ablation properties of silicone rubber composite is discussed by analyzing the macroscopic and microcosmic structures of the specimens. The results show that the particle concentration has an obvious influence on the ablation rate of the silicone rubber composite. The mass ablation rate increases sharply with the increase in particle concentration. The line ablation rate increases and the mass ablative rate decreases with the increase in erosion angle. The structures with char layer, pyrolytic layer and matrix layer are formed after test. The pyrolytic temperature of silicone rubber composite is about 516-710 ℃, the main products are cyclohexane and a small amount of CO2 and H2O. Particle erosion breaks the integrity of surface char layer structure, resulting in the surface migration of samples and promoting the thermal decomposition of inner material. Key

Key words

siliconerubbercomposite / particleconcentration / ablationangle / particleerosion / ablationproperty

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WANG Jinjin, ZHA Bailin, ZHANG Yan, ZHANG Wei, SU Qingdong. Study of Ablation Properties of Silicone Rubber Composite under Particle Erosion. Acta Armamentarii. 2019, 40(4): 848-856 https://doi.org/10.3969/j.issn.1000-1093.2019.04.020

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第40卷
第4期2019年4月兵工学报ACTA
ARMAMENTARIIVol.40No.4Apr.2019

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