Ni/Cu复合多层膜电爆炸等离子体发射光谱特性及飞片推动性能
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摘要
为探索复合多层膜爆炸箔电爆炸的作用机理,开展了Ni/Cu复合多层膜爆炸箔性能研究。采用电化学沉积方法制备了相同厚度的Ni/Cu复合多层膜(调制周期分别为200 nm/300 nm和300 nm/400 nm)及纯Cu、Ni金属膜,通过等离子体发射光谱特性测试分析,计算获得了不同放电电流条件下不同结构的Ni/Cu复合多层膜、纯Cu、Ni金属膜电爆炸等离子体电子温度。通过匹配加速膛、飞片进行了爆炸箔推动飞片的PDV速度测试和分析,获得了不同放电电流条件下Ni/Cu复合多层膜、纯Cu、Ni金属膜爆炸箔推动飞片性能。研究结果表明:在电流为2.5 kA时,(Ni_(200)Cu_(300))_8和(Ni_(300)Cu_(400))_5Ni_(300)电爆炸等离子体发射光谱强度以及等离子体电子温度均高于纯Cu和纯Ni,说明Ni/Cu复合材料在相同条件下电爆炸储能密度更高;在电流为2.5 kA时,Ni/Cu复合材料中的Ni开始对等离子体推动飞片起促进作用,(Ni_(200)Cu_(300))_8和(Ni_(300)Cu_(400))_5Ni_(300)爆炸箔推动飞片的加速时间更长,最终速度均高于纯Cu爆炸箔。
To explore the exploding mechanism of composite multilayers,the properties of Ni/Cu multilayer exploding foil were studied. Ni/Cu composite multilayers(modulation period 200 nm/300 nm and 300 nm/400 nm,respectively),pure Cu and Ni films with the same thickness were prepared by electrochemical deposition. The plasma emission spectroscopy was measured.Under different discharge current conditions,the electron temperature of electrically exploded plasma of Ni/Cu composite multi-layers with different structures,pure Cu and Ni films was calculated,respectively. After matching barrels and flyers with explod-ing foils,the velocity of flyer driven by different exploding foils was measured by PDV method. The performance of the explod-ing foils driving flyer under different discharge current conditions were obtained. The results show the plasma emission spectros-copy intensity and electron temperature of(Ni_(200)Cu_(300))_8 and(Ni_(300)Cu_(400))_5Ni_(300) is higher than pure Cu and Ni at discharge current of 2.5 kA,indicating the Ni/Cu composites have higher electrically exploding energy density at the same condition. The Ni in Ni/Cu composites promotes the plasma to push flyer forward,resulting in the accelerating time and final velocity of flyer driven by(Ni_(200)Cu_(300))_8 and(Ni_(300)Cu_(400))_5Ni_(300) are both higher than those of flyer driven by pure Cu.
To explore the exploding mechanism of composite multilayers,the properties of Ni/Cu multilayer exploding foil were studied. Ni/Cu composite multilayers(modulation period 200 nm/300 nm and 300 nm/400 nm,respectively),pure Cu and Ni films with the same thickness were prepared by electrochemical deposition. The plasma emission spectroscopy was measured.Under different discharge current conditions,the electron temperature of electrically exploded plasma of Ni/Cu composite multi-layers with different structures,pure Cu and Ni films was calculated,respectively. After matching barrels and flyers with explod-ing foils,the velocity of flyer driven by different exploding foils was measured by PDV method. The performance of the explod-ing foils driving flyer under different discharge current conditions were obtained. The results show the plasma emission spectros-copy intensity and electron temperature of(Ni_(200)Cu_(300))_8 and(Ni_(300)Cu_(400))_5Ni_(300) is higher than pure Cu and Ni at discharge current of 2.5 kA,indicating the Ni/Cu composites have higher electrically exploding energy density at the same condition. The Ni in Ni/Cu composites promotes the plasma to push flyer forward,resulting in the accelerating time and final velocity of flyer driven by(Ni_(200)Cu_(300))_8 and(Ni_(300)Cu_(400))_5Ni_(300) are both higher than those of flyer driven by pure Cu.
引文
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[2]房旷,陈清畴,付秋菠,等.集成爆炸箔起爆器的制备和飞片驱动能力表征[J].含能材料,2016,24(9):892-897.FANG Kuang,CHEN Qing-chou,FU Qiu-bo,et al. Fabrica-tion and flyer driving capability characterisation of an integrat-ed exploding foil initiator[J]. Chinese Journal of Energetic Ma-terials(Hanneng Cailiao),2016,24(9):892-897.
[3]袁士伟,曾庆轩,冯长根,等.冲击片雷管飞片参数设计与估算[J].火工品,2003,(4):18-20.YUAN Shi-wei,ZENG Qing-xuan,FENG Chang-gen,et al.The designing and estimating of flying plate parameters of slap-per detonator[J].Initiators and Pyrotechnics,2003,(4):18-20.
[4] Morris C J,Marya B,Zakar E,et al. Rapid initiation of reac-tions in Al/Ni multilayers with nanoscale layering[J]. Journal of Physics&Chemistry of Solids,2010,71(2):84-89.
[5]黄娜,唐洪佩,黄寅生,等.冲击片雷管爆炸箔的制备与电爆性能[J].含能材料,2014,22(4):514-520.HUANG Na, TANG Hong-pei, HUANG Yin-sheng, et al.Preparation and electrical performance of exploding foil in slapper detonator[J]. Chinese Journal of Energetic Materials(Hanneng Cailiao),2014,22(4):514-520.
[6]王涛,曾庆轩,李明愉,等. Al/Ni反应多层膜的电爆炸及驱动性能研究[J].火工品,2016,(5):1-5.WANG Tao,ZENG Qing-xuan,LI Ming-yu,et al. Explosion and flyer-driving performance of Al/Ni reactive multilayers[J].Initiators and Pyrotechnics,2016,(5):1-5.
[7] ZHANG Yu-xin,JIANG Hong-chuan,ZHAO Xiao-hui,et al.Characteristics of the energetic microinitiator through integrat-ing Al/Ninanomultilayers with Cu film bridge[J]. Nanoscale Research Letters,38(12):1-6.
[8]王窈,孙秀娟,郭菲,等. Al/Ni爆炸箔电爆特性及驱动飞片能力研究[J].火工品,2016,(3):5-8.WANG Yao,SUN Xiu-juan,GUO Fei,et al. Study on Electri-cal characteristic and flyer driven ability of Al/Ni exploding foil[J]. Initiators and Pyrotechnics,2016,(3):5-8.
[9] WANG Yao,SUNXiu-juan,JIANG Hong-chuan,et al. Investi-gation of electrically heated exploding foils in reactive Al/Ni multilayer[J]. Propellants Explos. Pyrotech., 2018, 43:923-928.
[10] WU Dong-fang,TAN Qing-qing,HU Li-chong. Shape-con-trolled synthesis of Cu-Ni nanocrystals[J]. Materials Chemistry and Physics,2018,206(1):150-157.
[11] FU Zheng-rong,ZHANGZheng,MENG Li-fang,et al. Effect of strain rate on mechanical properties of Cu/Ni multilayered composites processed by electrodeposition[J]. Materials Sci-ence&Engineering A,2018,726(1):154-159.
[12] WANG Chuan-jie,WANG Hai-yang,GENG Fang-fang,et al.Interactive effects of microstructure and interface on tensile de-formation behaviors of Cu/Ni clad foils[J]. Materials Science&Engineering A,2018,714-(1):14-24.
[13]赵小侠,罗文峰,张相武,等.基于LIBS技术的黄铜等离子体特征参量的研究[J].激光技术,2013,37(1):93-96.ZHAO Xiao-xia,LUO Wen-feng,ZHANG Xiang-wu,et al.Measurement of brass plasma parameters based on laser-in-duced breakdown spectroscopy[J]. Laser Technology,2013,37(1):93-96.
[14]傅院霞,徐丽,葛立新,等.激光诱导镍等离子体电子温度的时间演化特性[J].蚌埠学院学报,2016,5(5):30-37.FU Yuan-xia,XU Li,GE Li-xin,et al. Investigation on the time evolution of the electron temperature in laser-induced Ni plasma[J]. Journal of Bengbu University,2016,5(5):30-37.
[15]李澜,陈冠英,张树东,等.激光能量对激光诱导Cu等离子体特征辐射强度,电子温度的影响[J].原子与分子物理学报,2003,20(3):343-346.LI Lan,CHEN Guan-ying,ZHANG Shu-dong,et al. Effects of laser energy on electron temperature and the emission spectra intensities of copper plasma ablated with laser[J]. Chinese Journal of Atomic and Molecular Physics, 2003, 20(3):343-346.
[16] Calzada M D,Moisan M,Gamero A,et al. Experimental in-vestigation and characterization of the departure from local thermodynamic equilibrium along a surface-wave-sustained discharge at atmospheric pressure[J]. Journal of applied phys-ics,1996,80(1):46-55.
[17] NIST atomic spectra database[OL],https://www.nist.gov/pml/atomic-spectra-database,2018.