2021 Vol. 41, No. 3
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2021, 41(3): 031101.
doi: 10.11883/bzycj-2020-0114
Abstract:
Aiming at low calculation accuracy of damage effect caused by less data, uneven, discontinuity and narrow distribution of damage experimental data, data mining technology is introduced to calculate damage effect. The database manages damage metadata ...
Aiming at low calculation accuracy of damage effect caused by less data, uneven, discontinuity and narrow distribution of damage experimental data, data mining technology is introduced to calculate damage effect. The database manages damage metadata ...
2021, 41(3): 031400.
Abstract:
2021, 41(3): 031401.
doi: 10.11883/bzycj-2020-0328
Abstract:
During the service time of engineering structure, most structural members are under prestress conditions. In order to clarify the effect mechanism of prestress on the response of metal beams subjected to impulsive loading, the plastic deformations of...
During the service time of engineering structure, most structural members are under prestress conditions. In order to clarify the effect mechanism of prestress on the response of metal beams subjected to impulsive loading, the plastic deformations of...
2021, 41(3): 031402.
doi: 10.11883/bzycj-2020-0339
Abstract:
YAG (yttrium aluminum garnet) transparent ceramic, with excellent light transmittance and impact resistance, is an excellent protective material for transparent parts of weapons and equipments. It has a good application prospect in military equipment...
YAG (yttrium aluminum garnet) transparent ceramic, with excellent light transmittance and impact resistance, is an excellent protective material for transparent parts of weapons and equipments. It has a good application prospect in military equipment...
2021, 41(3): 031403.
doi: 10.11883/bzycj-2020-0335
Abstract:
To study the influences of the cross-sectional shapes on the final depths of penetration, a series of experiments were carried out on the penetration of long-rod projectiles with the same cross-sectional area different cross-sectional shapes into sem...
To study the influences of the cross-sectional shapes on the final depths of penetration, a series of experiments were carried out on the penetration of long-rod projectiles with the same cross-sectional area different cross-sectional shapes into sem...
2021, 41(3): 031404.
doi: 10.11883/bzycj-2020-0334
Abstract:
30CrMnSiNi2A steel is a high-strength low-alloy steel and it is widely used in the defense industry. Its ductile fracture properties were investigated by using a combined experimental-numerical approach to address the need for assessment of structura...
30CrMnSiNi2A steel is a high-strength low-alloy steel and it is widely used in the defense industry. Its ductile fracture properties were investigated by using a combined experimental-numerical approach to address the need for assessment of structura...
2021, 41(3): 031405.
doi: 10.11883/bzycj-2020-0346
Abstract:
There are two difficulties in the measurement of underwater explosion bubble jet load: (1) the bubble jet load is a non-uniform surface load, but its radius of action is only 1/10 of the maximum radius of the bubble, the density of sensitive elements...
There are two difficulties in the measurement of underwater explosion bubble jet load: (1) the bubble jet load is a non-uniform surface load, but its radius of action is only 1/10 of the maximum radius of the bubble, the density of sensitive elements...
2021, 41(3): 031406.
doi: 10.11883/bzycj-2020-0338
Abstract:
Interface defeat/dwell can effectively improve the anti-penetration performance of a ceramic armor at certain degree, which attracts the attention from researchers all over the world in recent years. Experiments on a ceramic armor subjected to the im...
Interface defeat/dwell can effectively improve the anti-penetration performance of a ceramic armor at certain degree, which attracts the attention from researchers all over the world in recent years. Experiments on a ceramic armor subjected to the im...
2021, 41(3): 031407.
doi: 10.11883/bzycj-2020-0343
Abstract:
In order to study the mechanical properties of NEPE propellant at low and high strain rates, the quasi-static and impact eperiments of NEPE propellant were carried out by the electronic universal testing machine and split Hopkinson bar, and the stres...
In order to study the mechanical properties of NEPE propellant at low and high strain rates, the quasi-static and impact eperiments of NEPE propellant were carried out by the electronic universal testing machine and split Hopkinson bar, and the stres...
2021, 41(3): 031408.
doi: 10.11883/bzycj-2020-0337
Abstract:
Reactive material is a new type of material with energy-releasing characteristics. It can react chemically and release a large amount of chemical energy under the high pressure and high temperature caused by the impact. Therefore, it has a wide range...
Reactive material is a new type of material with energy-releasing characteristics. It can react chemically and release a large amount of chemical energy under the high pressure and high temperature caused by the impact. Therefore, it has a wide range...
2021, 41(3): 032201.
doi: 10.11883/bzycj-2021-0005
Abstract:
The transition of fracture mode of 7075 aluminum ring was discovered by using electromagnetic expansion rings technique. The experimental results show that the fracture of the aluminum ring is affected by the maximum normal stress criterion at low st...
The transition of fracture mode of 7075 aluminum ring was discovered by using electromagnetic expansion rings technique. The experimental results show that the fracture of the aluminum ring is affected by the maximum normal stress criterion at low st...
2021, 41(3): 032301.
doi: 10.11883/bzycj-2020-0100
Abstract:
To study and simulate the pre-shock desensitization in the TATB-based heterogeneous explosive, the impact temperature and pressure based AWSD reaction flow model was implemented in a 2D structured mesh Lagrangian elastoplastic hydrodynamics program. ...
To study and simulate the pre-shock desensitization in the TATB-based heterogeneous explosive, the impact temperature and pressure based AWSD reaction flow model was implemented in a 2D structured mesh Lagrangian elastoplastic hydrodynamics program. ...
2021, 41(3): 033101.
doi: 10.11883/bzycj-2020-0119
Abstract:
High-speed railway vehicles are subjected to complex stress and environmental conditions in service. Aluminum alloy extrusions are widely used in energy absorption structures of high-speed trains, due to their excellent mechanical and processing prop...
High-speed railway vehicles are subjected to complex stress and environmental conditions in service. Aluminum alloy extrusions are widely used in energy absorption structures of high-speed trains, due to their excellent mechanical and processing prop...
2021, 41(3): 033301.
doi: 10.11883/bzycj-2020-0092
Abstract:
At present, there is no theoretical model for the influence of stiffeners on the impact angle and attack angle of a projectile penetrating a ship plate frame. In this paper, the problem of the rigid hemispherical nosed projectile penetrating the stif...
At present, there is no theoretical model for the influence of stiffeners on the impact angle and attack angle of a projectile penetrating a ship plate frame. In this paper, the problem of the rigid hemispherical nosed projectile penetrating the stif...
2021, 41(3): 035101.
doi: 10.11883/bzycj-2020-0126
Abstract:
In order to improve the bottom protection capability of military vehicles, a reliable optimization method was proposed for the design of vehicle protection components. In the traditional optimization process, if the uncertainty of design variables is...
In order to improve the bottom protection capability of military vehicles, a reliable optimization method was proposed for the design of vehicle protection components. In the traditional optimization process, if the uncertainty of design variables is...
