2022 Vol. 42, No. 6
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2022, 42(6): 062101.
doi: 10.11883/bzycj-2021-0190
Abstract:
To expand the application field of environmental protection materials, a composite powder explosion inhibitor was developed to suppress the explosion disaster of aluminum powder. The KH2PO4/SiO2 composite powder explosion inhibitor, a new type of exp...
To expand the application field of environmental protection materials, a composite powder explosion inhibitor was developed to suppress the explosion disaster of aluminum powder. The KH2PO4/SiO2 composite powder explosion inhibitor, a new type of exp...
2022, 42(6): 062301.
doi: 10.11883/bzycj-2021-0217
Abstract:
In order to evaluate the reaction of the aluminum powder in detonation products of aluminized explosives, experimental measurements of the detonation wave profiles in RDX/Al and RDX/LiF explosives using photon Doppler velocimetry (PDV) were performed...
In order to evaluate the reaction of the aluminum powder in detonation products of aluminized explosives, experimental measurements of the detonation wave profiles in RDX/Al and RDX/LiF explosives using photon Doppler velocimetry (PDV) were performed...
2022, 42(6): 063101.
doi: 10.11883/bzycj-2021-0369
Abstract:
The damage and failure mechanism of two-dimensional triaxially braided composite (2DTBC) under low-velocity impact and compression after impact (CAI) was experimentally investigated through tests with various impact energies (5, 10, 20 and 30 J). The...
The damage and failure mechanism of two-dimensional triaxially braided composite (2DTBC) under low-velocity impact and compression after impact (CAI) was experimentally investigated through tests with various impact energies (5, 10, 20 and 30 J). The...
2022, 42(6): 063102.
doi: 10.11883/bzycj-2021-0347
Abstract:
In order to study the energy absorption characteristics of open-section thin-walled composite structures, axial compression tests were carried out by using a high-speed hydraulic servo test system. The loading speed was set to 0.01, 0.1 and 1 m/s. A ...
In order to study the energy absorption characteristics of open-section thin-walled composite structures, axial compression tests were carried out by using a high-speed hydraulic servo test system. The loading speed was set to 0.01, 0.1 and 1 m/s. A ...
2022, 42(6): 063103.
doi: 10.11883/bzycj-2021-0397
Abstract:
To investigate the response characteristics of aluminum/polytetrafluoroethylene (Al/PTFE) reactive materials under shock loading, the Al powder with the diameter of 10 μm and the PTFE powder with the diameter of 15 μm were mixed. Scanning electron mi...
To investigate the response characteristics of aluminum/polytetrafluoroethylene (Al/PTFE) reactive materials under shock loading, the Al powder with the diameter of 10 μm and the PTFE powder with the diameter of 15 μm were mixed. Scanning electron mi...
2022, 42(6): 063104.
doi: 10.11883/bzycj-2021-0283
Abstract:
The mixed cellular materials with soft matrix are a new type of cushioning and protective materials which have excellent energy absorption properties. In order to study the effect of strain rate on the mechanical behaviors of this kind of materials, ...
The mixed cellular materials with soft matrix are a new type of cushioning and protective materials which have excellent energy absorption properties. In order to study the effect of strain rate on the mechanical behaviors of this kind of materials, ...
Structural optimization design and structural response of elliptical-section penetration projectiles
2022, 42(6): 063301.
doi: 10.11883/bzycj-2021-0436
Abstract:
According to the engineering application requirements of special-shaped section penetrating projectiles, the structural response and optimal design of elliptical-section penetration projectiles were studied. From this point of view, an improved gener...
According to the engineering application requirements of special-shaped section penetrating projectiles, the structural response and optimal design of elliptical-section penetration projectiles were studied. From this point of view, an improved gener...
2022, 42(6): 063302.
doi: 10.11883/bzycj-2021-0373
Abstract:
Accurately evaluating the penetration depth of precision-guided weapons can provide an important reference for the design of protective engineering. The existing work mainly focuses on small or medium caliber projectiles and normal strength concrete ...
Accurately evaluating the penetration depth of precision-guided weapons can provide an important reference for the design of protective engineering. The existing work mainly focuses on small or medium caliber projectiles and normal strength concrete ...
2022, 42(6): 063303.
doi: 10.11883/bzycj-2021-0512
Abstract:
Based on the bi-directional evolutionary structural optimization method (BESO), the nested loop structure of the traditional dynamic load optimization method was introduced into the ABAQUS-MATLAB platform integrated optimization to improve the dynami...
Based on the bi-directional evolutionary structural optimization method (BESO), the nested loop structure of the traditional dynamic load optimization method was introduced into the ABAQUS-MATLAB platform integrated optimization to improve the dynami...
2022, 42(6): 064901.
doi: 10.11883/bzycj-2021-0357
Abstract:
The passive confined pressure SHPB (split Hopkinson pressure bar) test provides an efficient way to study the mechanical behaviors of granular materials at high strain rates (102 − 104 s−1) under the action of explosion and shock wave. In this study,...
The passive confined pressure SHPB (split Hopkinson pressure bar) test provides an efficient way to study the mechanical behaviors of granular materials at high strain rates (102 − 104 s−1) under the action of explosion and shock wave. In this study,...
2022, 42(6): 065101.
doi: 10.11883/bzycj-2021-0200
Abstract:
To develop the impact resistance technology of warship structures as well as to improve underwater weapon’s attack effectiveness, it is necessary to establish a method to rapidly judge and confirm the overall damage modes of the ship structure subjec...
To develop the impact resistance technology of warship structures as well as to improve underwater weapon’s attack effectiveness, it is necessary to establish a method to rapidly judge and confirm the overall damage modes of the ship structure subjec...
2022, 42(6): 065102.
doi: 10.11883/bzycj-2021-0286
Abstract:
The interaction between rebar and concrete must always be considered to well describe and predict the mechanical behavior of reinforced concrete (RC) structures. A common way to model RC structures is by discrete reinforcements in finite element mode...
The interaction between rebar and concrete must always be considered to well describe and predict the mechanical behavior of reinforced concrete (RC) structures. A common way to model RC structures is by discrete reinforcements in finite element mode...
2022, 42(6): 065401.
doi: 10.11883/bzycj-2021-0322
Abstract:
In order to study the inhibitory effect of Al(OH)3 powder explosion suppressant on polyacrylonitrile (PAN) powder explosion, a transparent pipeline explosion propagation test system was used to study the influence of mass fractions of Al(OH)3 on the ...
In order to study the inhibitory effect of Al(OH)3 powder explosion suppressant on polyacrylonitrile (PAN) powder explosion, a transparent pipeline explosion propagation test system was used to study the influence of mass fractions of Al(OH)3 on the ...
2022, 42(6): 065402.
doi: 10.11883/bzycj-2021-0386
Abstract:
To explore the inhibitory effect of the combined use of trifluoroiodomethane and carbon dioxide on methane explosion, a 20-L spherical explosion experimental system was used to carry out explosion experiments under different methane volume fractions ...
To explore the inhibitory effect of the combined use of trifluoroiodomethane and carbon dioxide on methane explosion, a 20-L spherical explosion experimental system was used to carry out explosion experiments under different methane volume fractions ...
