2023 Vol. 43, No. 1
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2023, 43(1): 011101.
doi: 10.11883/bzycj-2022-0318
Abstract:
Natural materials such as shells and oysters have attracted extensive attention in the field of material design due to their lightweight and high-strength mechanical properties. However, due to the complex structure of shells, it is very difficult to...
Natural materials such as shells and oysters have attracted extensive attention in the field of material design due to their lightweight and high-strength mechanical properties. However, due to the complex structure of shells, it is very difficult to...
2023, 43(1): 012101.
doi: 10.11883/bzycj-2022-0259
Abstract:
To study the effect mechanism of magnetic fields on methane explosion, an experiment was carried out by detonating the premixed gas of methane with the volume fraction of 9.5% and air as the rest constituent in a magnetic fields. Effect patterns of m...
To study the effect mechanism of magnetic fields on methane explosion, an experiment was carried out by detonating the premixed gas of methane with the volume fraction of 9.5% and air as the rest constituent in a magnetic fields. Effect patterns of m...
2023, 43(1): 012102.
doi: 10.11883/bzycj-2021-0496
Abstract:
To study the explosion mechanism and the energy conversion process of the interaction between low melting point metal tin and water, a visual experiment platform is built to monitor the contact reaction processes at different mass ratios of tin to wa...
To study the explosion mechanism and the energy conversion process of the interaction between low melting point metal tin and water, a visual experiment platform is built to monitor the contact reaction processes at different mass ratios of tin to wa...
2023, 43(1): 012201.
doi: 10.11883/bzycj-2022-0232
Abstract:
In order to study the propagation law and load characteristics of shock wave at the corner due to the internal blast in a closed cabin, a typical cabin explosion test was carried out using a scaled model. Overpressure loads of shock wave in one-sided...
In order to study the propagation law and load characteristics of shock wave at the corner due to the internal blast in a closed cabin, a typical cabin explosion test was carried out using a scaled model. Overpressure loads of shock wave in one-sided...
2023, 43(1): 012202.
doi: 10.11883/bzycj-2021-4058
Abstract:
The crimped flame arrester is a common disaster prevention and control device. Most of the research focuses on the higher-pressure working conditions instead of the pressure lower than 0.1 MPa when it applies in special areas or environments. This pa...
The crimped flame arrester is a common disaster prevention and control device. Most of the research focuses on the higher-pressure working conditions instead of the pressure lower than 0.1 MPa when it applies in special areas or environments. This pa...
2023, 43(1): 013101.
doi: 10.11883/bzycj-2021-0498
Abstract:
According to the Π principle, a similarity law was proposed between the prototype and the scaled-down models of the steel frame under a far-field explosion load. Based on the explosion experiments of steel frame substructures, a numerical model of th...
According to the Π principle, a similarity law was proposed between the prototype and the scaled-down models of the steel frame under a far-field explosion load. Based on the explosion experiments of steel frame substructures, a numerical model of th...
2023, 43(1): 013102.
doi: 10.11883/bzycj-2022-0152
Abstract:
To explore the flexible measurement technology of low-intensity shock wave, the sensitivity calibration experiment was performed on PVDF (polyvinylidene fluoride) filmed pressure gauges by using a shock tube. The measurement reliability of flexible P...
To explore the flexible measurement technology of low-intensity shock wave, the sensitivity calibration experiment was performed on PVDF (polyvinylidene fluoride) filmed pressure gauges by using a shock tube. The measurement reliability of flexible P...
2023, 43(1): 013103.
doi: 10.11883/bzycj-2022-0187
Abstract:
Zr-based bulk metallic glasses are novel class of functional materials that comprehensively use chemical energy and kinetic energy to improve the damage effect of warhead. To investigate the mechanism of shock fragmentation reaction of Zr-based bulk ...
Zr-based bulk metallic glasses are novel class of functional materials that comprehensively use chemical energy and kinetic energy to improve the damage effect of warhead. To investigate the mechanism of shock fragmentation reaction of Zr-based bulk ...
2023, 43(1): 013104.
doi: 10.11883/bzycj-2021-0529
Abstract:
Adiabatic shear is a common form of deformation and failure of materials under high-speed impact loading. It generally exists in high-speed deformation processes such as high-speed impact, stamping forming, projectile penetration, high-speed cutting,...
Adiabatic shear is a common form of deformation and failure of materials under high-speed impact loading. It generally exists in high-speed deformation processes such as high-speed impact, stamping forming, projectile penetration, high-speed cutting,...
2023, 43(1): 013105.
doi: 10.11883/bzycj-2022-0074
Abstract:
Studying the microstructure evolution of metals subject to shock waves is significant for understanding the structural deformation and failure mechanism of such a pipe under a very high rate of loading. The microstructure evolution and phase transfor...
Studying the microstructure evolution of metals subject to shock waves is significant for understanding the structural deformation and failure mechanism of such a pipe under a very high rate of loading. The microstructure evolution and phase transfor...
2023, 43(1): 013106.
doi: 10.11883/bzycj-2021-0514
Abstract:
In practical applications, plastic bonded explosive (PBX) explosives are often used as load bearing structural components. Hence, the mechanical strength is an important parameter in PBXs’ design. It is of great interest how to adjust the microscopic...
In practical applications, plastic bonded explosive (PBX) explosives are often used as load bearing structural components. Hence, the mechanical strength is an important parameter in PBXs’ design. It is of great interest how to adjust the microscopic...
2023, 43(1): 013201.
doi: 10.11883/bzycj-2022-0226
Abstract:
Based on the compressible multicomponent Navier-Stokes equations, the interaction of a planar shock wave (Ma=1.23) with an annular SF6 cylinder whose inner and outer radii were set as 8 and 17.5 mm respectively was numerically studied. The simulation...
Based on the compressible multicomponent Navier-Stokes equations, the interaction of a planar shock wave (Ma=1.23) with an annular SF6 cylinder whose inner and outer radii were set as 8 and 17.5 mm respectively was numerically studied. The simulation...
2023, 43(1): 015201.
doi: 10.11883/bzycj-2021-0519
Abstract:
The paper is aimed to determine the distance between blast holes (a) and the distance between boreholes and the empty holes (L) in the straight-hole cutting with empty holes. Firstly, by considering the crack mainly being fractured during the quasi-s...
The paper is aimed to determine the distance between blast holes (a) and the distance between boreholes and the empty holes (L) in the straight-hole cutting with empty holes. Firstly, by considering the crack mainly being fractured during the quasi-s...
2023, 43(1): 015401.
doi: 10.11883/bzycj-2021-0503
Abstract:
Gas explosion accidents occurring in urban shallowly-buried pipe trenches can cause enormous casualties and property damage through shock waves transmitting from explosion vents, while many influencing factors exist in the process of gas explosion. I...
Gas explosion accidents occurring in urban shallowly-buried pipe trenches can cause enormous casualties and property damage through shock waves transmitting from explosion vents, while many influencing factors exist in the process of gas explosion. I...
