| 某点火器点火药柱耐冲击性分析与试验研究 |
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| 引用本文： | 程翔,黄少波,唐顺厚,罗广,沈欣.某点火器点火药柱耐冲击性分析与试验研究[J].火工品,2020(1):10-13. |
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| 作者姓名： | 程翔 黄少波 唐顺厚 罗广 沈欣 |
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| 作者单位： | 中国空空导弹研究院第四研究所,河南洛阳,471009,中国空空导弹研究院第四研究所,河南洛阳,471009,四川华川工业有限公司军品技术中心,四川成都,610106,四川华川工业有限公司军品技术中心,四川成都,610106,空装驻洛阳地区第一军代室,河南洛阳,471009 |
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| 摘 要： | 针对某新研点火器进行2m跌落试验后点火药柱出现断裂问题,进行了耐冲击力分析与试验研究。结果表明:因点火器管体加长,支撑垫点接触设计不满足药柱缓冲效果,点火药柱在冲击过程中出现应力集中区域并发生断裂,通过将支撑垫点接触改进为线接触,解决了该故障。
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| 关 键 词： | 点火药柱 耐冲击 应力集中 支撑垫 |
Analysis and Experimental Research on Impact-resistant of SRM Ignition Grain |
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| CHENG Xiang,HUANG Shao-bo,TANG Shun-hou,LUO Guang,SHEN Xin.Analysis and Experimental Research on Impact-resistant of SRM Ignition Grain[J].Initiators & Pyrotechnics,2020(1):10-13. |
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| Authors: | CHENG Xiang HUANG Shao-bo TANG Shun-hou LUO Guang SHEN Xin |
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| Affiliation: | (China Airborne Missile Academy,Luoyang,471009;Huachuan Industry Company,Chengdu,610106;The First Military Representative Office in Luoyang of PLA Air Force Equipment Department,Luoyang,471009) |
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| Abstract: | Aimed at the problem that a SRM ignition grain was broken after 2 m drop test, the impact-resistant analysis and experimental research were carried out. It showed that because the composite shell of igniter was extended, the point contact for support pad couldn’t satisfy the impact-resistant of grain, the stress concentration would appear and make cracking during 2 m drop test. By changing point contact to line contact for support pad, the failure is completely removed. |
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| Keywords: | Ignition grain Impact-resistant Stress concentration Support pad |
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