Notice on the organization of advanced research class on high-pressure science and new materials of engineering knowledge of professional and technical personnel Notice on the organization of advanced research class on high-pressure science and new materials of engineering knowledge of professional and technical personnel

2010 Vol. 24, No. 5

  Previous Issue | Next Issue 
Display Method:
Stress Analysis on Hinge Sleeve and Cylinder of China-Type Cubic-Anvil High Pressure Apparatus under High Pressure
ZHANG Cong, MA Hong-An, HAN Qi-Gang, LI Zhan-Chang, JIA Xiao-Peng
2010, 24(5): 321-325 . doi: 10.11858/gywlxb.2010.05.001
PDF (892)
Abstract:
The contact analysis of hinge sleeve, cylinder and dowel in China-type cubic-anvil high pressure apparatus were conducted by finite element method and ANSYS. To avoid excessive similarity and supposition for ear and obtain exact simulation results, the fixing dowel, whose movement is constrained, wa...
Molecular Dynamics Simulation of Uniaxial and Adiabatic Compression of -HMX Crystal
SHI Yi-Ding, HUANG Feng-Lei
2010, 24(5): 326-332 . doi: 10.11858/gywlxb.2010.05.002
PDF (797)
Abstract:
The uniaxial compression of -HMX crystals in three orientations of (100), (010) and (001) were calculated through molecular simulations using COMPASS (Condensed-Phase Optimized Molecular Potential for Atomistic Simulation Studies) force field. The isotherms of the three orientations are different, w...
Experimental Research on Propergation of Failure Wave in Glass
ZHANG Yan-Geng, DUAN Zhuo-Ping, ZHANG Lian-Sheng, OU Zhuo-Cheng, HUANG Feng-Lei
2010, 24(5): 333-337 . doi: 10.11858/gywlxb.2010.05.003
PDF (716)
Abstract:
Planar impact experiments of soda-lime glass were conducted on a 57 mm diameter one-stage gas gun, in which the free surface particle velocity histories for several different thicknesses of soda-lime glass under the same impact loading were measured by using VISAR (Velocity Interferometer System for...
Influence of B4C Content in the Iron-Based Catalyst on the Apparent Activation Energy of Boron-Doped Diamond Single Crystals
ZHANG Yuan-Pei, LI He-Sheng, TIAN Bin, QI Yong-Xin, LIU Lei, LI Mu-Sen,
2010, 24(5): 338-342 . doi: 10.11858/gywlxb.2010.05.004
PDF (735)
Abstract:
The boron-doped diamond single crystals with different boron amounts were synthesized by adding B4C in iron-based catalyst. Based on the testing data of different thermal analysis (DTA) and thermal gravity (TG) analysis during heating process, the apparent activation energies were calculated by the ...
Dynamic Response Characteristics of Ship-Like Beam Subjected to Underwater Explosion in Near Field
ZHU Xi, LI Hai-Tao, MU Jin-Lei, HUANG Xiao-Ming
2010, 24(5): 343-350 . doi: 10.11858/gywlxb.2010.05.005
PDF (825)
Abstract:
To study dynamic response and overall damage modes of warship subjected to underwater explosion in near field, a ship-like model was designed based on similarity criterion. The dynamic response was investigated by changing stand-off and weight of explosive in experiments where four kinds of explosiv...
Research on the Effect of the Projectile Penetrating into the Reinforced Concrete Targets at the Intersection of the Steel Bar
MU Chao-Min, REN Hui-Qi
2010, 24(5): 351-358 . doi: 10.11858/gywlxb.2010.05.006
PDF (932)
Abstract:
Considering direct interaction of the projectile with the steel bar, the approximate model of the projectile penetrating into the reinforced concrete is established. Using this model, the acceleration-time history is obtained. Calculation data are in agreement with experimental data. The model is us...
PVDF Stress Gauges Dynamic Stress Measurement and Its Application to SHPB Experiment for Rubber Materials
PANG Bao-Jun, YANG Zhen-Qi, WANG Li-Wen, CHI Run-Qiang
2010, 24(5): 359-367 . doi: 10.11858/gywlxb.2010.05.007
PDF (776)
Abstract:
Dynamic calibration experiments of sandwich PVDF (Polyvinylide Fluoride) stress gauges have been investigated by split Hopkinson pressure bar (SHPB). Dynamic piezoelectricity of PVDF gauges has been discussed, including testing circuit, stress concentration effect of PVDF gauge surface, inherent cha...
Experimental Study on Explosive Compaction of W-Cu Nanocomposites
LI Xiao-Jie, WANG Zhan-Lei, YAN Hong-Hao, WANG Xiao-Hong, ZHANG Yue-Ju
2010, 24(5): 368-372 . doi: 10.11858/gywlxb.2010.05.008
PDF (686)
Abstract:
Explosive compaction was used to fabricate dense W-Cu composites in a cylindrical configuration/single tube set-up, and the highest density of the compacts reached 98%. The W-Cu alloy powders produced by mechanical alloying were analyzed by X-ray diffraction (XRD). The effect of reduction temperatur...
The Dynamics Effect and Material Parameters of Polyester Radiated by Electron Beam
TANG Wen-Hui, CHEN Hua
2010, 24(5): 373-376 . doi: 10.11858/gywlxb.2010.05.009
PDF (649)
Abstract:
The dynamics effect of polyester under electron beam radiation is studied. The energy deposition of electron beam in polyester is calculated by Monte Carlo methods. The thermal shock wave propagation and the blow off impulse of polyester are simulated by the hydrodynamic method. From the comparison ...
Simulation Analysis on Law of Penetration of Long-Rod Projectiles with High Speed into Concrete
LIAN Bing, JIANG Jian-Wei, MEN Jian-Bing, WANG Shu-You
2010, 24(5): 377-382 . doi: 10.11858/gywlxb.2010.05.010
PDF (808)
Abstract:
Using the AUTODYN-2D software, penetrations of long-rod projectiles into semi-infinite concrete target at an impact speed of 0.6～2 km/s were simulated, in which materials, masses and length-to-diameter ratios of projectiles are different. The effects of impact speed on penetration depth and hole dia...
Simulation on Head-on Bulging Dynamic Behavior of Lead Flyer with SPH Method
YUAN Shuai, HU Hai-Bo, ZHANG Chong-Yu, LI Ping
2010, 24(5): 383-387 . doi: 10.11858/gywlxb.2010.05.011
PDF (532)
Abstract:
Using the smoothed particle hydrodynamics (SPH) method, the dynamic behavior of assembly flyers (Al+Pb) driven by cylindrical explosive ignited at two opposite points of the surface was simulated numerically. The calculated images for the generation and evolvement of jet-like bulge of lead sample at...
Investigation on Applicability of Shock Similar Law for Underwater Explosion of Aluminiferous Explosive
ZHAO Ji-Bo, TAN Duo-Wang, LI Jin-He, GONG Yan-Qing, SUN Yong-Qiang
2010, 24(5): 388-394 . doi: 10.11858/gywlxb.2010.05.012
PDF (878)
Abstract:
Aiming at the notable non-ideal characteristic of aluminiferous explosive, applicability of shock similar law at underwater explosion far-field is explored. Experiments are carried out in the blast-pond, in which pressure sections of shock wave are tested at different distance to charge center. Peak...
Study on Nanometerization of Titania Grain during Transformation under Planar Shock Wave
LI Hou-Shen, YANG Shi-Yuan, XIANG Yun, CAI Ling-Cang, WANG Jun-Xia
2010, 24(5): 395-400 . doi: 10.11858/gywlxb.2010.05.013
PDF (757)
Abstract:
The anatase powders and TiO2 xerogel powders prepared by the sol-gel method were impacted under planar shock wave. The powders after impact wave loading were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and laser particle size analyzer (LPSA). The results showed that ...

Copyright©《高压物理学报》编辑部

Tel:0816-2490042 E-mail:gaoya@caep.cn

Shu ICP, 11011126 -2

Supported by: Beijing Renhe Information Technology Co. Ltd support: info@rhhz.net