2021 Vol. 41, No. 5
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2021, 41(5): 051101.
doi: 10.11883/bzycj-2020-0422
Abstract:
The traditional knowledge of plastic flow behavior of metal, dislocation activation theory, and thermoviscoplastic constitutive model of metal needs a further perfection due to the occurrence of third-type strain aging. Third-type strain aging leads ...
The traditional knowledge of plastic flow behavior of metal, dislocation activation theory, and thermoviscoplastic constitutive model of metal needs a further perfection due to the occurrence of third-type strain aging. Third-type strain aging leads ...
2021, 41(5): 052201.
doi: 10.11883/bzycj-2021-0075
Abstract:
Aiming at the process of uranium material forming radioactive aerosol under the action of explosion load, numerical simulation and experimental research were carried out based on the smoothed particle hydrodynamic method (SPH method). Through the com...
Aiming at the process of uranium material forming radioactive aerosol under the action of explosion load, numerical simulation and experimental research were carried out based on the smoothed particle hydrodynamic method (SPH method). Through the com...
2021, 41(5): 053101.
doi: 10.11883/bzycj-2020-0071
Abstract:
The dynamics of HMX single crystals under ramp wave loading was studied experimentally and numerically. The ramp wave compression experiments of (010) and (011) crystal oriented HMX crystals within 15 GPa were carried out with the magnetic driven dev...
The dynamics of HMX single crystals under ramp wave loading was studied experimentally and numerically. The ramp wave compression experiments of (010) and (011) crystal oriented HMX crystals within 15 GPa were carried out with the magnetic driven dev...
2021, 41(5): 053102.
doi: 10.11883/bzycj-2020-0125
Abstract:
To deeply understanding dynamic fracture properties and preventing crack propagation of fractured rock mass under dynamic loads, impact experiments were conducted using TWSRC (tunnel with single radial crack) samples, and sandstone were selected as t...
To deeply understanding dynamic fracture properties and preventing crack propagation of fractured rock mass under dynamic loads, impact experiments were conducted using TWSRC (tunnel with single radial crack) samples, and sandstone were selected as t...
2021, 41(5): 053103.
doi: 10.11883/bzycj-2020-0072
Abstract:
With the increasing demand for coal resources, safe and efficient coal mining has attracted the attention of all sectors of society. In order to study the dynamic failure characteristics and constitutive relation of coal rock under different strain r...
With the increasing demand for coal resources, safe and efficient coal mining has attracted the attention of all sectors of society. In order to study the dynamic failure characteristics and constitutive relation of coal rock under different strain r...
2021, 41(5): 053301.
doi: 10.11883/bzycj-2020-0063
Abstract:
Zr-based metallic glass reinforced porous W matrix composite was prepared into fragments and loaded with grenade to study on penetration ability and aftereffect of fragments by explosion experiment. The results show that the Zr-based metallic glass r...
Zr-based metallic glass reinforced porous W matrix composite was prepared into fragments and loaded with grenade to study on penetration ability and aftereffect of fragments by explosion experiment. The results show that the Zr-based metallic glass r...
2021, 41(5): 053302.
doi: 10.11883/bzycj-2020-0129
Abstract:
Crater characteristics formed by the impact of the 5 cm thick Al 6061 targets with magnesium projectiles with length-diameter ratio l/dp=1/2 and diameter dp=0.8 cm at velocity of 10 km/s were investigated. The implosion-driven launcher designed by Mc...
Crater characteristics formed by the impact of the 5 cm thick Al 6061 targets with magnesium projectiles with length-diameter ratio l/dp=1/2 and diameter dp=0.8 cm at velocity of 10 km/s were investigated. The implosion-driven launcher designed by Mc...
2021, 41(5): 053303.
doi: 10.11883/bzycj-2020-0473
Abstract:
To improve the ballistic performance of metal targets, a metallic structure composed of a series of crescent-shaped cavity cells, whose spatial distribution is similar to a honeycomb, was proposed. Each cavity cell is formed by two balls with an iden...
To improve the ballistic performance of metal targets, a metallic structure composed of a series of crescent-shaped cavity cells, whose spatial distribution is similar to a honeycomb, was proposed. Each cavity cell is formed by two balls with an iden...
2021, 41(5): 053304.
doi: 10.11883/bzycj-2020-0148
Abstract:
In order to explore the ballistic characteristics of a 9 mm pistol bullet penetrating wooden target board, a ballistic penetration experiment was carried out by choosing medium density fiberboard (MDF) as the research object. Key information such as ...
In order to explore the ballistic characteristics of a 9 mm pistol bullet penetrating wooden target board, a ballistic penetration experiment was carried out by choosing medium density fiberboard (MDF) as the research object. Key information such as ...
2021, 41(5): 054101.
doi: 10.11883/bzycj-2020-0302
Abstract:
In testing explosion flame temperature with radiation thermometry, there is relatively great deviation of empirical value of flame emissivity from flame combustion mechanism. Meanwhile, the distance of measure point from the flame and ambient tempera...
In testing explosion flame temperature with radiation thermometry, there is relatively great deviation of empirical value of flame emissivity from flame combustion mechanism. Meanwhile, the distance of measure point from the flame and ambient tempera...
2021, 41(5): 054102.
doi: 10.11883/bzycj-2020-0151
Abstract:
The attitude measurement of a flyer plate is the basis for explosive welding mechanism study. Besides, the key parameters affecting the quality of explosive welding products in the actual explosive processing, including the collision point velocity, ...
The attitude measurement of a flyer plate is the basis for explosive welding mechanism study. Besides, the key parameters affecting the quality of explosive welding products in the actual explosive processing, including the collision point velocity, ...
2021, 41(5): 055201.
doi: 10.11883/bzycj-2020-0004
Abstract:
The peak pressure of borehole wall in decoupling charge blasting is an important parameter to control the quality of rock mass profile forming and to carry out numerical simulation analysis of blasting vibration response of non-fluid-solid coupling. ...
The peak pressure of borehole wall in decoupling charge blasting is an important parameter to control the quality of rock mass profile forming and to carry out numerical simulation analysis of blasting vibration response of non-fluid-solid coupling. ...
2021, 41(5): 055202.
doi: 10.11883/bzycj-2020-0123
Abstract:
Aiming at the measured vibration signals collected during tunnel blasting construction, a noise reduction method based on the overall average empirical mode decomposition method (CEEMDAN decomposition) combined with wavelet packet analysis was in tro...
Aiming at the measured vibration signals collected during tunnel blasting construction, a noise reduction method based on the overall average empirical mode decomposition method (CEEMDAN decomposition) combined with wavelet packet analysis was in tro...
2021, 41(5): 055401.
doi: 10.11883/bzycj-2020-0131
Abstract:
In this study, the explosion hazard and suppression technology were investigated in a concentrated ventilation tube filled with diesel fuel under room temperature and environmental pressure. A high-speed camera (model: nac HX-3) and pressure sensors ...
In this study, the explosion hazard and suppression technology were investigated in a concentrated ventilation tube filled with diesel fuel under room temperature and environmental pressure. A high-speed camera (model: nac HX-3) and pressure sensors ...
2021, 41(5): 055402.
doi: 10.11883/bzycj-2020-0144
Abstract:
In order to study the incentive effect of flexible obstacles on methane-air explosion waves, a biaxially oriented polypropylene ( BOPP) film was used as a flexible obstacle to separate the methane-air premixed gas from the air in the pipeline, the di...
In order to study the incentive effect of flexible obstacles on methane-air explosion waves, a biaxially oriented polypropylene ( BOPP) film was used as a flexible obstacle to separate the methane-air premixed gas from the air in the pipeline, the di...
