2005 Vol. 25, No. 3
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2005, 25(3): 193-199.
doi: 10.11883/1001-1455(2005)03-0193-07
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Abstract:
There are many evolution and attenuation mechanisms of stress waves in media, which are mainly controlled by the constitutive factors of the material and the structures geometric factors. Scientific utilization of these mechanisms have important acad...
There are many evolution and attenuation mechanisms of stress waves in media, which are mainly controlled by the constitutive factors of the material and the structures geometric factors. Scientific utilization of these mechanisms have important acad...
2005, 25(3): 200-206.
doi: 10.11883/1001-1455(2005)03-0200-07
Abstract:
By reckoning the plastic dissipation by membrane force induced by finite deflection, a modifying factor is introduced into the bending-only theory to formulate the governing equations of dynamic plastic response of rectangular plates with deflections...
By reckoning the plastic dissipation by membrane force induced by finite deflection, a modifying factor is introduced into the bending-only theory to formulate the governing equations of dynamic plastic response of rectangular plates with deflections...
2005, 25(3): 207-216.
doi: 10.11883/1001-1455(2005)03-0207-10
Abstract:
The stress uniformity in split Hopkinson pressure bar (SHPB) test is analyzed in detail by using one-dimensional stress wave theory. The influence of related experimental parameters is evaluated. The advantages and disadvantages of some typical loadi...
The stress uniformity in split Hopkinson pressure bar (SHPB) test is analyzed in detail by using one-dimensional stress wave theory. The influence of related experimental parameters is evaluated. The advantages and disadvantages of some typical loadi...
2005, 25(3): 207-221.
doi: 10.11883/1001-1455(2005)03-0217-05
Abstract:
Spectral radiance histories of plasma for He, D2, and H2+D2 gas mixtures with the initial pressure p0=0.6,1.2 MPa after shock compressed by a two-stage light-gas gun was measured by using transient radiation pyrometer. According to the signal amplitu...
Spectral radiance histories of plasma for He, D2, and H2+D2 gas mixtures with the initial pressure p0=0.6,1.2 MPa after shock compressed by a two-stage light-gas gun was measured by using transient radiation pyrometer. According to the signal amplitu...
2005, 25(3): 222-226.
doi: 10.11883/1001-1455(2005)03-0222-05
Abstract:
By means of high-speed camera and VISAR interferometer, the expanding characteristics of HR-2 steel tube have been investigated under two head-on colliding detonation waves. The images of tube expanding process were obtained successfully by high-spee...
By means of high-speed camera and VISAR interferometer, the expanding characteristics of HR-2 steel tube have been investigated under two head-on colliding detonation waves. The images of tube expanding process were obtained successfully by high-spee...
2005, 25(3): 227-231.
doi: 10.11883/1001-1455(2005)03-0227-05
Abstract:
On the basis of the new ruby laser apparatus, the experiment system of transient holographic interferometry is devised, by which vertical displacement fringe patterns at four different times are acquired in one blasting loading. And the vertical disp...
On the basis of the new ruby laser apparatus, the experiment system of transient holographic interferometry is devised, by which vertical displacement fringe patterns at four different times are acquired in one blasting loading. And the vertical disp...
2005, 25(3): 232-238.
doi: 10.11883/1001-1455(2005)03-0232-07
Abstract:
The adiabatic decompositions of ammonium nitrate (AN) and non-explosive, irrestorable fertilizer-grade ammonium nitrate (NEIFAN) were investigated by accelerating rate calorimeter (ARC). The experimental data was processed with a dynamic model by mea...
The adiabatic decompositions of ammonium nitrate (AN) and non-explosive, irrestorable fertilizer-grade ammonium nitrate (NEIFAN) were investigated by accelerating rate calorimeter (ARC). The experimental data was processed with a dynamic model by mea...
2005, 25(3): 239-243.
doi: 10.11883/1001-1455(2005)03-0239-05
Abstract:
With two different explosion methods, different super-high pressure components were autofrettaged, one is the dynamic liquid explosion, the other is sticking oily explosion. The super-high pressure component includes thick wall circles with a crack o...
With two different explosion methods, different super-high pressure components were autofrettaged, one is the dynamic liquid explosion, the other is sticking oily explosion. The super-high pressure component includes thick wall circles with a crack o...
2005, 25(3): 244-250.
doi: 10.11883/1001-1455(2005)03-0244-07
Abstract:
To explore the plastic flow behaviors of OFHC Cu, the thermomechanical response of OFHC Cu is investigated systematically under quasi-static (Instron, servohydraulic) and dynamic (the split Hopkinson bar) uniaxial compression. Strains over 80% are ob...
To explore the plastic flow behaviors of OFHC Cu, the thermomechanical response of OFHC Cu is investigated systematically under quasi-static (Instron, servohydraulic) and dynamic (the split Hopkinson bar) uniaxial compression. Strains over 80% are ob...
2005, 25(3): 251-254.
doi: 10.11883/1001-1455(2005)03-0251-04
Abstract:
This paper introduces the performance, applications and existing producing methods of CuCr alloy. The method making powder by mechanical alloying is brought forward. Getting CuCr alloy by explosive sintering and thermal diffusion disposal are studied...
This paper introduces the performance, applications and existing producing methods of CuCr alloy. The method making powder by mechanical alloying is brought forward. Getting CuCr alloy by explosive sintering and thermal diffusion disposal are studied...
2005, 25(3): 255-259.
doi: 10.11883/1001-1455(2005)03-0255-05
Abstract:
Rockmass is a kind of typically complicated structure body with continuous and discontinuous media, and how to simulate the rock failure rule under impact loading is always a hotspot task in numerical simulation research. The Finite Element Method th...
Rockmass is a kind of typically complicated structure body with continuous and discontinuous media, and how to simulate the rock failure rule under impact loading is always a hotspot task in numerical simulation research. The Finite Element Method th...
2005, 25(3): 260-264.
doi: 10.11883/1001-1455(2005)03-0260-05
Abstract:
Impact/penetration process is nonlinear dynamic problem with failure. Theories and algorithms related to that process such as nonlinear material constitute model, contact algorithm, material failure pattern etc are formulated. The basic idea and meth...
Impact/penetration process is nonlinear dynamic problem with failure. Theories and algorithms related to that process such as nonlinear material constitute model, contact algorithm, material failure pattern etc are formulated. The basic idea and meth...
2005, 25(3): 265-270.
doi: 10.11883/1001-1455(2005)03-0265-06
Abstract:
Based on the Lagrange finite element method, briefly introduce a computational technique for sliding interface treatment in 3D oblique penetration. The slave elements used in conventional computations are abandoned, and at the same time the slave nod...
Based on the Lagrange finite element method, briefly introduce a computational technique for sliding interface treatment in 3D oblique penetration. The slave elements used in conventional computations are abandoned, and at the same time the slave nod...
2005, 25(3): 271-275.
doi: 10.11883/1001-1455(2005)03-0271-05
Abstract:
The formation of metallic nanooxides via detonation reaction was investigated with respect to the presence of an energetic precursor, such as the metallic nitrate and the degree of confinement of the explosive charge. The detonation products were cha...
The formation of metallic nanooxides via detonation reaction was investigated with respect to the presence of an energetic precursor, such as the metallic nitrate and the degree of confinement of the explosive charge. The detonation products were cha...
2005, 25(3): 276-280.
doi: 10.11883/1001-1455(2005)03-0276-05
Abstract:
In order to simulate the ground shock and vibration under nuclear explosion and conventional weapon blast, according to the principles of energy conservation and elastic colliding, a hanging test table which is used to simulate blast shock and vibrat...
In order to simulate the ground shock and vibration under nuclear explosion and conventional weapon blast, according to the principles of energy conservation and elastic colliding, a hanging test table which is used to simulate blast shock and vibrat...
2005, 25(3): 281-284.
doi: 10.11883/1001-1455(2005)03-0281-04
Abstract:
The growth of pore pressure of clay under shock load infuence effective stress and strength of clay directly. Numerical analysis on the growth principles of pore pressure of clay under shock load provides theoretical references for dynamic responses ...
The growth of pore pressure of clay under shock load infuence effective stress and strength of clay directly. Numerical analysis on the growth principles of pore pressure of clay under shock load provides theoretical references for dynamic responses ...
2005, 25(3): 285-288.
doi: 10.11883/1001-1455(2005)03-0285-04
Abstract:
The characterization of slow cook-off is a primary parameter for evaluating insensitive munitions. Use the apparatus of cook-off test manufactured by ourselves, the effects of the explosive charging sizes on the response characterization of the slow ...
The characterization of slow cook-off is a primary parameter for evaluating insensitive munitions. Use the apparatus of cook-off test manufactured by ourselves, the effects of the explosive charging sizes on the response characterization of the slow ...
