叠层顺序对双层A3钢薄板抗侵彻性能的影响

邓云飞; 张伟; 曹宗胜; 叶楠; 王洋

doi:10.11883/1001-1455(2013)03-0263-06

叠层顺序对双层A3钢薄板抗侵彻性能的影响

doi: 10.11883/1001-1455(2013)03-0263-06

1.
哈尔滨工业大学空间碎片高速撞击研究中心,黑龙江哈尔滨150080

详细信息

通讯作者:
张伟

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出版历程
- 刊出日期: 2013-05-25

Influencesoflayerorderonballisticresistanceof double-layeredthinA3steelplates

1.
HypervelocityImpactResearchCenter,HarbinInstituteofTechnology,Harbin150080,Heilongjiang,China)

摘要

摘要: 在轻气炮上进行了卵形头、平头及半球形头杆弹正撞击等厚接触式双层靶的实验,得到了这几种结构的剩余速度-初始速度曲线及弹道极限速度,研究了叠层顺序对靶体抗侵彻性能的影响。实验表明:叠层顺序对双层靶体抗侵彻性能的影响与弹体头部形状密切相关。对于平头和半球形头弹,厚板在前、薄板在后的靶体的弹道极限速度高于相反叠层顺序的靶体的弹道极限速度;但是对于卵形头弹,薄板在前、厚板在后的靶体的弹道极限速度高于相反叠层顺序的靶体的弹道极限速度。叠层顺序对靶体弹道极限速度的影响主要通过改变靶板的失效形式和靶板间的作用力实现。
- 爆炸力学 /
- 弹道极限速度 /
- 叠层顺序 /
- 金属靶 /
- 侵彻 /
- 弹体
Abstract: Thedouble-layeredthinA3steelplateswerenormallyimpactedbytheogival-,blunt-and hemispherical-nosedprojectileswiththehelpofagasguntoinvestigatetheinfluencesoflayerorder ontheballisticresistanceandfailuremodeofthetargets.Andtheresidualandinitialvelocitiesofthe projectilesweremeasuredandthecorrespondingballisticlimitvelocitieswereobtainedbyleastsquare fittingtheRecht-Ipsonformulatothemeasuredresidualandinitialvelocities.Theexperimentaldata revealthattheeffectsoflayerorderontheballisticresistancearedependentontheprojectilenose shapes.Fortheblunt-andhemispherical-nosedprojectiles,thedouble-layeredplateswithathick frontplateandathinbackplatecangivegreaterresistancethantheoneswiththeoppositelayering order.However,fortheogival-nosedprojectiles,thedouble-layeredplateswithathinfrontplateand athickbackplateexhibitgreaterresistancethantheoneswiththeoppositelayerorder.Theinfluencesoflayerorderontheballisticresistanceresultfromthetransitionofthefailuremodesandthe interferenceforcebetweendifferentconfigurationtargets.
- DengYun-fei /
- ZhangWei /
- CaoZong-sheng /
- YeNan /
- WangYang /