2019 Vol. 39, No. 1
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2019, 39(1): 012201.
doi: 10.11883/bzycj-2017-0291
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Abstract:
In order to study the effect of high rotation on the shell-penetration of 30 mm shaped charge and the mechanism of spin-compensation, we simulated the overwhelm process of the fluted liner for the 30 mm rifle gun using the SPH method of LS-DYNA finit...
In order to study the effect of high rotation on the shell-penetration of 30 mm shaped charge and the mechanism of spin-compensation, we simulated the overwhelm process of the fluted liner for the 30 mm rifle gun using the SPH method of LS-DYNA finit...
2019, 39(1): 012202.
doi: 10.11883/bzycj-2017-0406
Abstract:
In this work we investigated the damage effects on the caisson gravity wharf using an on-situ test of the wharf model under 1 kg TNT explosion in air, in water and inside the internal structure, and obtained the corresponding damage modes of the whar...
In this work we investigated the damage effects on the caisson gravity wharf using an on-situ test of the wharf model under 1 kg TNT explosion in air, in water and inside the internal structure, and obtained the corresponding damage modes of the whar...
2019, 39(1): 012301.
doi: 10.11883/bzycj-2018-0264
Abstract:
We studied the effect of the explosive mass and the heating rate on the slow cook-off characteristics of DNAN based casting explosive by designing a new roasting test device, and examined the thermal reaction characteristics of the mixed explosive by...
We studied the effect of the explosive mass and the heating rate on the slow cook-off characteristics of DNAN based casting explosive by designing a new roasting test device, and examined the thermal reaction characteristics of the mixed explosive by...
2019, 39(1): 012302.
doi: 10.11883/bzycj-2017-0271
Abstract:
In this work, to obtain the critical detonation velocity calculation model about the cylindrical covered charge impacted by fragments, we added the correction terms to the velocity calculation based on the Picatinny engineering criterion. We found ou...
In this work, to obtain the critical detonation velocity calculation model about the cylindrical covered charge impacted by fragments, we added the correction terms to the velocity calculation based on the Picatinny engineering criterion. We found ou...
2019, 39(1): 013101.
doi: 10.11883/bzycj-2018-0037
Abstract:
By using plate impact and velocity interferometry, the dynamic tensile fracture (spall) of shocked pure vanadium was studied in the pressure range of 5.2-9.0 GPa, where the average tensile strain rate was in the range of 0.47×105-1.19×105 s-1. All th...
By using plate impact and velocity interferometry, the dynamic tensile fracture (spall) of shocked pure vanadium was studied in the pressure range of 5.2-9.0 GPa, where the average tensile strain rate was in the range of 0.47×105-1.19×105 s-1. All th...
2019, 39(1): 013102.
doi: 10.11883/bzycj-2017-0280
Abstract:
Cellular material under high-speed impact is deformed in a mode of layer-wise propagation of crushing bands, which can be characterized by the plastic shock models. In this paper, we obtained the one-dimensional stress distribution of a random honeyc...
Cellular material under high-speed impact is deformed in a mode of layer-wise propagation of crushing bands, which can be characterized by the plastic shock models. In this paper, we obtained the one-dimensional stress distribution of a random honeyc...
2019, 39(1): 013103.
doi: 10.11883/bzycj-2017-0281
Abstract:
In this work, for the traditional square honeycombs, we obtained a joint-based hierarchical honeycomb model with the negative Poisson's ratio (NPR) by replacing the structural nodes of the original honeycombs having smaller inner concave structures. ...
In this work, for the traditional square honeycombs, we obtained a joint-based hierarchical honeycomb model with the negative Poisson's ratio (NPR) by replacing the structural nodes of the original honeycombs having smaller inner concave structures. ...
2019, 39(1): 013301.
doi: 10.11883/bzycj-2017-0266
Abstract:
In this work, we studied the compressive mechanical properties of polyethylene at different strain rates and obtained the stress-strain curves of polyethylene at different strain rates using static and dynamic experiments. We analyzed the stress-stra...
In this work, we studied the compressive mechanical properties of polyethylene at different strain rates and obtained the stress-strain curves of polyethylene at different strain rates using static and dynamic experiments. We analyzed the stress-stra...
2019, 39(1): 013302.
doi: 10.11883/bzycj-2017-0287
Abstract:
In this study, to improve the penetration capability of the homogeneous long rod, a problem whose solution has hit a bottleneck, we designed a new pre-composited rod fabricated with high density tungsten alloy and high hardness tungsten carbide. It w...
In this study, to improve the penetration capability of the homogeneous long rod, a problem whose solution has hit a bottleneck, we designed a new pre-composited rod fabricated with high density tungsten alloy and high hardness tungsten carbide. It w...
2019, 39(1): 013303.
doi: 10.11883/bzycj-2017-0313
Abstract:
Addressing the projectile crush during high-speed penetration, we designed projectiles with two different shell thicknesses and conducted experiment for penetrating high-strength rock target at 1 000 m/s. The experimental results showed that projecti...
Addressing the projectile crush during high-speed penetration, we designed projectiles with two different shell thicknesses and conducted experiment for penetrating high-strength rock target at 1 000 m/s. The experimental results showed that projecti...
2019, 39(1): 014101.
doi: 10.11883/bzycj-2017-0253
Abstract:
Accidents resulting from combustible dust explosion occur frequently and pose a serious hazard to the safety of industrial production. Dust concentration is a critical factor involved in the explosion leading to such accidents, and therefore its prec...
Accidents resulting from combustible dust explosion occur frequently and pose a serious hazard to the safety of industrial production. Dust concentration is a critical factor involved in the explosion leading to such accidents, and therefore its prec...
2019, 39(1): 014201.
doi: 10.11883/bzycj-2017-0199
Abstract:
The method of manufactured solutions (MMS) is a fundamental part of code verification for the coupling codes with complex multi-physics process, the MMS for multi-dimension Lagrangian radiation hydrodynamics with large deformation meshes is very spar...
The method of manufactured solutions (MMS) is a fundamental part of code verification for the coupling codes with complex multi-physics process, the MMS for multi-dimension Lagrangian radiation hydrodynamics with large deformation meshes is very spar...
2019, 39(1): 015101.
doi: 10.11883/bzycj-2018-0224
Abstract:
In view of its differences from the conventional polyurea elastomer, we investigated the penetration resistance and fracture mechanism of coatings made from high-hardness polyurea sprayed on steel plates, using the ballistic experiment to obtain the ...
In view of its differences from the conventional polyurea elastomer, we investigated the penetration resistance and fracture mechanism of coatings made from high-hardness polyurea sprayed on steel plates, using the ballistic experiment to obtain the ...
2019, 39(1): 015102.
doi: 10.11883/bzycj-2017-0288
Abstract:
In this work, we investigated the impact resistance and damage mechanism of RC beams under impact loading using numerical simulation based on impact tests. We established a damage evaluation method based on the cross-sectional damage factor with the ...
In this work, we investigated the impact resistance and damage mechanism of RC beams under impact loading using numerical simulation based on impact tests. We established a damage evaluation method based on the cross-sectional damage factor with the ...
2019, 39(1): 015201.
doi: 10.11883/bzycj-2017-0286
Abstract:
To find about the dynamic response patterns of surrounding rock in which mine earthquake and mined-out area exist side by side, and obtain the mechanism leading to disasters under the coupled action of the two, we conducted a percussion test on circu...
To find about the dynamic response patterns of surrounding rock in which mine earthquake and mined-out area exist side by side, and obtain the mechanism leading to disasters under the coupled action of the two, we conducted a percussion test on circu...
2019, 39(1): 015301.
doi: 10.11883/bzycj-2017-0307
Abstract:
In this study we investigated the explosive compaction-sintering for fabricating a high-density tungsten/copper alloy on a copper surface. First, 50% W-50% Cu tungsten/copper alloy powder and 75% W-25% Cu were prepared by mechanical alloying. Next, t...
In this study we investigated the explosive compaction-sintering for fabricating a high-density tungsten/copper alloy on a copper surface. First, 50% W-50% Cu tungsten/copper alloy powder and 75% W-25% Cu were prepared by mechanical alloying. Next, t...
2019, 39(1): 015401.
doi: 10.11883/bzycj-2017-0244
Abstract:
In the present study, to find out about the effects of particle size distributions on the flame temperatures of polymethyl methacrylate (PMMA) dust clouds, we measured the flame temperatures of PMMA dust clouds with different particle size distributi...
In the present study, to find out about the effects of particle size distributions on the flame temperatures of polymethyl methacrylate (PMMA) dust clouds, we measured the flame temperatures of PMMA dust clouds with different particle size distributi...
