您现在的位置: 首页> 研究主题> 冲击波感度

冲击波感度

冲击波感度的相关文献在1990年到2022年内共计90篇,主要集中在武器工业、化学工业、力学 等领域,其中期刊论文72篇、会议论文12篇、专利文献291725篇;相关期刊22种,包括实验技术与管理、中北大学学报(自然科学版)、科学技术与工程等; 相关会议8种,包括2014第六届含能材料与钝感弹药技术学术研讨会、第二届全国危险物质与安全应急技术研讨会、2010年火炸药技术学术研讨会等;冲击波感度的相关文献由258位作者贡献,包括张景林、刘玉存、彭金华等。

冲击波感度—发文量

期刊论文>

论文:72 占比:0.02%

会议论文>

论文:12 占比:0.00%

专利文献>

论文:291725 占比:99.97%

总计:291809篇

冲击波感度—发文趋势图

冲击波感度

-研究学者

  • 张景林
  • 刘玉存
  • 彭金华
  • 王晓峰
  • 吕春玲
  • 康彬
  • 徐瑞娟
  • 王作山
  • 王建灵
  • 黄明
  • 期刊论文
  • 会议论文
  • 专利文献

搜索

排序:

年份

    • 李兴隆; 吴奎先; 路中华; 高大元; 黄亨建; 陈科全; 陈红霞; 寇剑锋; 王杰
    • 摘要: 叠层复合装药是由两种或两种以上装药通过叠加的方式复合而成,可以通过装药结构设计调控其安全性和能量输出特性。为研究叠层复合装药的殉爆安全性,选取典型高能炸药与钝感炸药组合的叠层复合装药为研究对象,通过数值模拟和殉爆试验研究装药结构对临界殉爆距离的影响规律。结果表明,相比于单一高能炸药PBX‑1,复合装药临界殉爆距离可减小53.3%(由7.5 mm减小至3.5 mm),能量降低22.9%;复合装药中钝感炸药厚度必须要达到特定阈值(3 mm)以上才能明显降低复合装药临界殉爆距离;随着钝感炸药占比增大,复合装药临界殉爆距离趋近于单一钝感炸药PBX‑2的临界殉爆距离。
    • 张超; 杨建刚; 陈俊波; 李军强; 袁志锋; 杨立波; 武宗凯
    • 摘要: 为了解含CL-20的改性双基推进剂冲击波感度的响应规律,采用隔板试验法研究了高能炸药CL-20含量、粒度、粒度级配及催化剂等对改性双基推进剂冲击波感度的影响.结果表明,在CL-20质量分数0~30% 范围内,随着其含量的增加,推进剂的冲击波感度先减小后增大,与不含CL-20时相比呈现降低趋势;含细颗粒CL-20(d50=230 nm)的推进剂的冲击波感度小于含等量粗颗粒CL-20(d50=25.12μm)推进剂;当粗细颗粒质量比为3:1时,推进剂的冲击波感度最低,隔板厚度由粗细质量比为1:1时的29.26 mm降至25.46 mm;推进剂配方中添加质量分数3% 的C-Pb、C-Cu和CB惰性催化剂时,隔板厚度比不加催化剂时降低1.61mm.
    • TIAN Xuan; HUANG Yafeng; WANG Xiaofeng; XU Hongtao; LI Wenxiang; ZHAO Kai; YANG Hui; LI Yuan
    • 摘要: 利用慢速烤燃试验和冲击波感度试验研究了FOX-7与RDX不同混合比例对炸药响应特性的影响.试验表明:当FOX-7的混入量(质量分数)低于72%时,炸药在慢速烤燃试验中的响应剧烈程度表现为爆轰反应,其临界起爆压力接近6.62 GPa;当FOX-7的混入量(质量分数)等于72%时,炸药在慢速烤燃试验中的响应剧烈程度由爆轰降至爆燃,其临界起爆压力升至7.27 GPa;当配方中完全采用FOX-7时,炸药在慢速烤燃试验中的响应剧烈程度由爆燃降至燃烧,临界起爆压力升至8.24 GPa.造成上述试验结果的原因可能是压装炸药在成型过程中因颗粒的破碎、重排作用使FOX-7对RDX形成包覆,进而改善了RDX材料点火增长速度快的本质特点.
    • 姜夕博; 金朋刚; 王建灵; 杨建; 王晓峰
    • 摘要: 为研究炸药在高过载条件下的损伤特性及损伤破坏机理,选取两种不同成型工艺下(浇注,压装)的奥克托今(HMX)基抗高过载炸药作为研究对象,用冲击波感度试验对炸药进行冲击损伤,通过CT检测表征试验前后炸药的损伤程度,同时测试了冲击损伤后炸药的冲击波感度.CT检测结果表明,冲击损伤后压装成型炸药各观测界面均未出现宏观损伤,而浇注成型炸药在距见证板一端7~8 mm位置,出现了长度7~8 mm、直径1~2 mm的孔洞,浇注炸药在距离下端面40 mm以上,损伤后的CT值降低1% ~5%,压装炸药在距离下端面50 mm以上,损伤后的CT值升高1% ~8%.冲击损伤后两种炸药的冲击波感度均降低,其中浇成型注炸药由未损伤时的临界隔板厚度25 ~27 mm下降到13~15 mm;压装成型炸药由未损伤时的临界隔板厚度38~40 mm下降到30·32 mm.%Two kinds(casting moulding and pressed fitting) of HMX-based anti-overloaded explosives were chosen to study the damage characteristics and damage failure mechanisms of explosives under overloaded conditions by shock loading.The shock damage was conducted based on shock wave sensitivity test.The damage characteristics of samples before and after shock loading were studied by CT and the shock wave sensitivity was also tested after damage.Results of CT test show that no macro-damage appear in explosive by pressed fitting after the shock damage,while a cavity with length of 7-8 mm and diameter of 1-2 mm appears in cast explosive and is located at 7-8 mm away from one end of the witness board.After shock damage experiments,for cast explosive,above the position of 40 mm from the bottom surface,the explosive density decrease by 1%-5%,and for the pressed fitting explosive,above the position of 50 mm from the bottom surface,the explosive density increase by 1%-8%.The shock wave sensitivity of the both samples decreases after shock damage.The critical gap thicknesses of the cast explosive decreases from 25-27 mm before damaged to 13-15 mm after damaged,while for pressed fitting explosive,the thickness decrease from 38-40 mm to 30-32 mm.
    • 摘要: 瑞典EUB公司现在可以商业供应粒径从20μm到400μm的Class1、Class2、Class4和发射药级四种类型的钝感高能炸药FOX-12,为了更好地应用,瑞典国防研究所(FOI)近来通过毒性实验、环境实验、热性能试验、感度(机械感度和冲击波感度)试验、相容性试验和爆轰性能试验全面评价了FOX-12,结果都肯定了FOX-2的钝感应用.
    • 梁晓勇; 吕春玲; 张俊; 周得才; 张景林
    • 摘要: In order to study the shock wave sensitivity of CL 20 based PBX explosive , using the explicit dynamic finite element program ANSYS/LS-DYNA software , and the ALE ( Arbitrary Lagrange-Euler ) algorithm, the characteristics of the critical initiation for a certain CL 20 based PBX explosive under the effect of shock wave are simulated , and the critical value of the bulkhead thickness is calculated between 24.56 mm and 25.7 mm.The reliability of numerical simulation results is verified through large gap test , the test results show that its bulkhead thickness L50 =25.23 mm in 50%detonation, which is consistent with the numerical simulation results .%为研究CL 20基PBX炸药的冲击波感度,采用显式动力学有限元程序———ANSYS/LS-DYNA软件,运用ALE(Arbitrary Lagrange-Euler)算法对某CL 20基PBX炸药在冲击波作用下的临界起爆特性进行了数值模拟,计算出该炸药临界隔板厚度值在24.56~25.7 mm范围内。通过大隔板试验进行了验证,得出试样50%发生爆轰的隔板厚度L50=25.23 mm,与数值模拟结果基本吻合。
    • 吴鹏; 刘静平; 陈相; 蒋伟; 卜令涛; 徐森; 刘大斌
    • 摘要: To study of temperature shock aging effect on the safety of vehicle emulsion matrix, the safety characteris-tics of vehicle emulsion matrix in different aging cycles were investigated by ANE gap test, Koenen test and the Baking test respectively. In ANE gap test, verification boards of sample 1# and sample 2# are domed but not holed, whereas verification boards of sample 3# are holed. The results of ANE gap test show that with the increase of the aging cycles, emulsion matrix is more sensitive to the shock wave. In Koenen test, the test tubes of sample 1# and sample 2# are unchanged, while the test tube of the sample 3# is fragmented. It indicates that with the increase of the aging cycles, emulsion matrix is more sen-sitive to the effect of intense heat under confinement. In Baking test, the time required for sample 1#, sample 2# and sam-ple 3# reaching to the maximum temperature are 1 340 s, 1 020 s and 700 s respectively. The results of Baking test indi-cates that with the increase of aging cycles, the thermal decomposition rate of the emulsion matrix rises obviously.%为了研究温度冲击对车载乳胶基质安全性的影响,分别采用 ANE 隔板试验、克南试验、烤燃试验研究了经过不同老化周期处理的车载乳胶基质安全特性。隔板试验中,样品1#和2#的验证板严重变形但未穿孔,样品3#的验板穿孔,表明随着老化周期的增加,乳胶基质对冲击波作用更敏感。克南试验中,样品1#和2#的试验钢管无显著变化,样品3#的试验钢管发生了爆炸,表明随着老化周期的增加,乳胶基质在强加热作用下变得更敏感。烤燃试验中,样品1#、2#和3#达到最高温度的时间分别为1340 s、1020 s 和700 s,即随着老化周期的增加,乳胶基质受热发生热分解的速度变快。
    • 赵娟; 冯晓军; 徐洪涛; 田轩; 冯博
    • 摘要: 为研究FOX‐7和RDX基含铝炸药的冲击起爆特性,对其进行了冲击波感度试验和冲击起爆试验,结合冲击波在铝隔板中的衰减特性,确定了FOX‐7和RDX基含铝炸药的临界隔板值和临界起爆压力,并通过锰铜压阻传感器记录了起爆至稳定爆轰过程压力历程的变化。结果表明,以Φ40 mm ×50 mm的JH‐14为主发装药时,FOX‐7和RDX基含铝炸药临界隔板值分别为37.51和34.51 mm ,对应的临界起爆压力为10.91和11.94 GPa;起爆压力为11.58 GPa时,FOX‐7炸药的到爆轰距离为25.49~30.46 mm ,稳定爆轰后的爆轰压力为27.68 GPa ,爆轰速度为8063 m/s;起爆压力为14.18 GPa时,RDX基含铝炸药的到爆轰距离为17.27~23.53 mm ,稳定爆轰后的爆轰压力为17.16 G Pa ,爆轰速度为6261 m/s。%To investigate the initiation characteristics of FOX‐7 and RDX based aluminized explosive initiated by shock waves ,the shock wave sensitivity test and shock initiation test were carried out .Combining shock wave atten‐uation characteristics in aluminum ,the critical gap thickness and the critical initiation pressure of FOX‐7 and RDX based alminized explosive were determined .The change in pressure history of initiation to steady detonation process was recorded through manganin piezoresistance gauges .The results show that the critical gap thickness of FOX‐7 and RDX based explosive is 37 .51 and 34 .51 mm ,respectively ,and the corresponding critical initiation pressure is 10 .91 and 11 .94GPa respectively .For FOX‐7 ,when the initiation pressure is 11 .58GPa ,the distance‐to‐detonation is from 25 .49mm to 30 .46 mm ,the detonation pressure after steady detonation is 27 .68GPa ,while the detonation velocity is 8063m/s .For RDX based aluminized explosive ,when the initiation pressure is 14 .18GPa ,the distance‐to‐detonation is 17 .27 mm to 23 .53 mm ,the detonation pressure after steady detonation is 17 .16GPa ,while the detonation velocity is 6 261 m/s .
    • 花成; 张盛国; 高大元
    • 摘要: To quantitatively evaluate the shock wave sensitivity of explosive,the evaluation method of quantification of margin and uncertainty (QMU)of explosive safety was studied on the basis of universal frame and key element of QMU evaluation.The safety test of explosive was designed by sequential test method,the initiating critical threshold,test variance and response probability of explosive were statistically analyzed,and the QMU evaluation model of explosive safety under the shock wave effect in gap test was established.The critical thickness and other parameters of explosive explosion were studied by gap test.Using the Bruceton“up and down”experiment and large sample Monte-Carlo simulation,a series of formula of QMU evaluation of explosive safety were obtained,the critical threshold Xth ,mean valueμand standard deviation estimated by varianceσand Xt of PBX-C explosive shock wave safety requirements were calculated,the uncertainty interval estimated by explosion probability P correspond-ing point XP at a given confidence level was derived,and the preliminary QMU evaluation of the safety of PBX-C ex-plosive under shock wave effect was performed.%为了对炸药冲击波感度进行量化评估,根据裕度和不确定度的量化(Q MU )评估的通用框架和关键要素,研究了炸药安全性的Q MU评估方法。按序贯试验方法设计了炸药的安全性试验,统计分析了炸药的起爆临界阈值、试验方差和响应概率,建立了隔板试验中冲击波作用下炸药安全性的 Q MU 评估模型。通过隔板试验研究了炸药爆炸的临界隔板厚度和其他参数,利用Bruceton升降法试验和大样本量的 Monte-Carlo 模拟,得到炸药安全性的QMU评估的系列公式,计算了PBX-C炸药冲击波安全性要求的临界阈值Xth、均值μ、方差σ和XP 估计的标准差,导出了给定置信水平时爆炸概率P相应点XP 估计的不确定度区间,对冲击波作用下PBX-C炸药的安全性进行了初步Q MU评估。
    • 王建灵; 金朋刚; 郭炜; 杨建; 李鸿宾
    • 摘要: 利用标准隔板试验方法[1]对双基推进剂和FG-20推进剂进行了冲击波感度测定,通过对推进剂试样约束强度(无约束、PVC塑料管和A3钢管)的改变,研究了约束强度对推进剂试样冲击波感度的变化规律,试验结果表明:双基推进剂冲击波感度不随约束强度的改变而改变,FG-20推进剂冲击波感度随约束强度的增加而增大.
  • 查看更多

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号