2021 Vol. 41, No. 8
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2021, 41(8): 082101.
doi: 10.11883/bzycj-2020-0349
Abstract:
The reaction model of aluminum particles is the key to successfully simulate the two-phase detonation of aluminum suspensions. In this study, by considering the endothermic decomposition reaction of the aluminum oxide (Al2O3) product at high temperat...
The reaction model of aluminum particles is the key to successfully simulate the two-phase detonation of aluminum suspensions. In this study, by considering the endothermic decomposition reaction of the aluminum oxide (Al2O3) product at high temperat...
2021, 41(8): 082301.
doi: 10.11883/bzycj-2020-0350
Abstract:
In order to investigate the characters of the four-component HTPB solid propellant containing RDX initiated by shock waves and evaluate its adaptability to low temperature, Lagrange analytical experiments were carried out in normal and low temperatur...
In order to investigate the characters of the four-component HTPB solid propellant containing RDX initiated by shock waves and evaluate its adaptability to low temperature, Lagrange analytical experiments were carried out in normal and low temperatur...
2021, 41(8): 083101.
doi: 10.11883/bzycj-2021-0029
Abstract:
40Cr high strength steel is often used in aerospace and national defense fields due to its excellent mechanical properties. Therefore, the research on the mode Ⅱ dynamic fracture characteristics and failure mechanism of 40Cr high strength steel under...
40Cr high strength steel is often used in aerospace and national defense fields due to its excellent mechanical properties. Therefore, the research on the mode Ⅱ dynamic fracture characteristics and failure mechanism of 40Cr high strength steel under...
2021, 41(8): 083102.
doi: 10.11883/bzycj-2020-0275
Abstract:
To improve the crashworthiness of thin-walled sandwich structures, a series of bionic corrugated sandwich structures with triangular elements (the height-to-width ratios of the elements are defined as γ) were designed inspired by the structures of sh...
To improve the crashworthiness of thin-walled sandwich structures, a series of bionic corrugated sandwich structures with triangular elements (the height-to-width ratios of the elements are defined as γ) were designed inspired by the structures of sh...
2021, 41(8): 083103.
doi: 10.11883/bzycj-2020-0262
Abstract:
An aluminum honeycomb is widely used in the field of impact cushioning because of its excellent performance. In order to solve the problem of large difference between the in-plane and out-of-plane load-carrying capacities of traditional honeycombs, t...
An aluminum honeycomb is widely used in the field of impact cushioning because of its excellent performance. In order to solve the problem of large difference between the in-plane and out-of-plane load-carrying capacities of traditional honeycombs, t...
2021, 41(8): 083104.
doi: 10.11883/bzycj-2020-0392
Abstract:
All-metallic honeycomb sandwich structure is a new kind of ship protection structure, which has a broad application prospect in the field of ship protection. However, there is not enough research on the dynamic response of honeycomb sandwich structur...
All-metallic honeycomb sandwich structure is a new kind of ship protection structure, which has a broad application prospect in the field of ship protection. However, there is not enough research on the dynamic response of honeycomb sandwich structur...
2021, 41(8): 083105.
doi: 10.11883/bzycj-2021-0062
Abstract:
Cavities and crack defects usually coexist in deep earth rock mass structures, which together affect the structural safety and stability of rock masses. In order to study the effect of circular cavity on crack propagation behavior in rock mass under ...
Cavities and crack defects usually coexist in deep earth rock mass structures, which together affect the structural safety and stability of rock masses. In order to study the effect of circular cavity on crack propagation behavior in rock mass under ...
2021, 41(8): 083106.
doi: 10.11883/bzycj-2020-0204
Abstract:
In order to study the influence of long-term loading on the impact resistance of concrete-filled steel tubular (CFST) members, a finite element analysis (FEA) model was developed by using the software ABAQUS, which embeds the coupling analysis of lon...
In order to study the influence of long-term loading on the impact resistance of concrete-filled steel tubular (CFST) members, a finite element analysis (FEA) model was developed by using the software ABAQUS, which embeds the coupling analysis of lon...
2021, 41(8): 083201.
doi: 10.11883/bzycj-2020-0196
Abstract:
A method for measuring the shock wave overpressure of blasting warhead explosion based on seismic wave triggering was proposed. By the proposed method, the peak overpressure of the blast wave from dynamic explosion of a warhead can be obtained reliab...
A method for measuring the shock wave overpressure of blasting warhead explosion based on seismic wave triggering was proposed. By the proposed method, the peak overpressure of the blast wave from dynamic explosion of a warhead can be obtained reliab...
2021, 41(8): 083301.
doi: 10.11883/bzycj-2020-0250
Abstract:
When the projectile penetrates into the concrete medium at high speed, the mass loss and nose blunting occur due to the strong local interaction between the projectile and the target. In order to further explore the mass erosion effect of high-speed ...
When the projectile penetrates into the concrete medium at high speed, the mass loss and nose blunting occur due to the strong local interaction between the projectile and the target. In order to further explore the mass erosion effect of high-speed ...
2021, 41(8): 084201.
doi: 10.11883/bzycj-2020-0252
Abstract:
In order to study the effect of the piston reset motion on the flow of propellant gas in a piston-controlled side spray gun, the propulsion process of the gun was modeled and simulated based on the one-dimensional two-phase flow interior ballistic th...
In order to study the effect of the piston reset motion on the flow of propellant gas in a piston-controlled side spray gun, the propulsion process of the gun was modeled and simulated based on the one-dimensional two-phase flow interior ballistic th...
2021, 41(8): 084202.
doi: 10.11883/bzycj-2020-0467
Abstract:
The spallation characteristics of ductile tantalum metal under planar plate impact was analyzed through a multi-scale perspective. And the typical characteristics of the free-surface velocity curve on the macro-scale were interpreted from the micro-s...
The spallation characteristics of ductile tantalum metal under planar plate impact was analyzed through a multi-scale perspective. And the typical characteristics of the free-surface velocity curve on the macro-scale were interpreted from the micro-s...
2021, 41(8): 085101.
doi: 10.11883/bzycj-2020-0229
Abstract:
Military personnels need to wear equipment in combat, which will affect the damage to the occupants of the vehicle when they are subjected to the vertical impact of the explosion at the bottom of the vehicle. Through the method of vertical impact tes...
Military personnels need to wear equipment in combat, which will affect the damage to the occupants of the vehicle when they are subjected to the vertical impact of the explosion at the bottom of the vehicle. Through the method of vertical impact tes...
2021, 41(8): 085201.
doi: 10.11883/bzycj-2020-0433
Abstract:
The interfacial coupling structure between the backfill and ore rock body in the filling mining method will be continuously disturbed by the influence of mining and blasting. In the filling-rock interfacial coupling, it is easy to produce the behavio...
The interfacial coupling structure between the backfill and ore rock body in the filling mining method will be continuously disturbed by the influence of mining and blasting. In the filling-rock interfacial coupling, it is easy to produce the behavio...
2021, 41(8): 085901.
doi: 10.11883/bzycj-2020-0395
Abstract:
In order to optimize the structure and improve the performance of the head and face protective equipment for an individual soldier, firstly, the blast wave resistance tests of the bare-head model were carried out in real explosion field and shock tub...
In order to optimize the structure and improve the performance of the head and face protective equipment for an individual soldier, firstly, the blast wave resistance tests of the bare-head model were carried out in real explosion field and shock tub...
