2021 Vol. 41, No. 2
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2021, 41(2): 021400.
Abstract:
2021, 41(2): 021401.
doi: 10.11883/bzycj-2020-0307
Abstract:
Advances on ultrahigh-velocity launch techniques were introduced, which involving magnetically-driven metallic flyer, metallic foil electrically explosion driven plastic flyer and three-stage light gas gun based on graded density impactor (GDI) drive...
Advances on ultrahigh-velocity launch techniques were introduced, which involving magnetically-driven metallic flyer, metallic foil electrically explosion driven plastic flyer and three-stage light gas gun based on graded density impactor (GDI) drive...
2021, 41(2): 021402.
doi: 10.11883/bzycj-2020-0396
Abstract:
The electromagnetic radiation from hypervelocity impact is an important physical phenomenon of solid matter under strong impact loadings, and the research results have important application value in fields of deep space exploration, protection design...
The electromagnetic radiation from hypervelocity impact is an important physical phenomenon of solid matter under strong impact loadings, and the research results have important application value in fields of deep space exploration, protection design...
2021, 41(2): 021403.
doi: 10.11883/bzycj-2020-0289
Abstract:
Based on the formation mechanism of the debris cloud caused by the projectile hypervelocity impacting onto a thin plate, the Whipple shield can effectively protect the spacecraft from space debris and micrometeoroid. By reviewing the research and dev...
Based on the formation mechanism of the debris cloud caused by the projectile hypervelocity impacting onto a thin plate, the Whipple shield can effectively protect the spacecraft from space debris and micrometeoroid. By reviewing the research and dev...
2021, 41(2): 021404.
doi: 10.11883/bzycj-2020-0310
Abstract:
The typical damage of gas-filled pressure vessel impacted by hypervelocity projectile includes perforation and crack instability, which lead to gas leakage and explosion. The effect of gas pressure on front wall damage is still unclear so far. Experi...
The typical damage of gas-filled pressure vessel impacted by hypervelocity projectile includes perforation and crack instability, which lead to gas leakage and explosion. The effect of gas pressure on front wall damage is still unclear so far. Experi...
2021, 41(2): 021405.
doi: 10.11883/bzycj-2020-0299
Abstract:
Graded-impedance shield is a kind of structure against space debris with excellent protection performance verified by experiments. Graded wave impedance material is used as its core buffer. In order to further optimize the design of graded wave imped...
Graded-impedance shield is a kind of structure against space debris with excellent protection performance verified by experiments. Graded wave impedance material is used as its core buffer. In order to further optimize the design of graded wave imped...
2021, 41(2): 021406.
doi: 10.11883/bzycj-2020-0266
Abstract:
With the continuous increase of centimeter-scale space debris, the exploration and design of new high-performance shields has become an urgent need. Based on the shield of active materials, the hypervelocity impact experiments with different projecti...
With the continuous increase of centimeter-scale space debris, the exploration and design of new high-performance shields has become an urgent need. Based on the shield of active materials, the hypervelocity impact experiments with different projecti...
2021, 41(2): 021407.
doi: 10.11883/bzycj-2020-0304
Abstract:
To investigate the hypervelocity impact mechanism of a tungsten alloy projectile on a concrete target, a new dynamic plasticity-based failure model for metal was developed by introducing Lode angle, dynamic enhancement factor, temperature softening t...
To investigate the hypervelocity impact mechanism of a tungsten alloy projectile on a concrete target, a new dynamic plasticity-based failure model for metal was developed by introducing Lode angle, dynamic enhancement factor, temperature softening t...
2021, 41(2): 021408.
doi: 10.11883/bzycj-2020-0303
Abstract:
In order to research the penetration characteristics and damage mechanism of multi-layer targets under hypervelocity impact, experiments and numerical simulations were carried out on a rod-shaped 93W projectile impacting a multi-layer Q345 steel targ...
In order to research the penetration characteristics and damage mechanism of multi-layer targets under hypervelocity impact, experiments and numerical simulations were carried out on a rod-shaped 93W projectile impacting a multi-layer Q345 steel targ...
2021, 41(2): 021409.
doi: 10.11883/bzycj-2020-0323
Abstract:
In order to study the feasibility and effectiveness of the shield with separated rear wall (SRW), both the hypervelocity experiments and simulations were performed to investigate the performances of shields with different separated rear walls. The ef...
In order to study the feasibility and effectiveness of the shield with separated rear wall (SRW), both the hypervelocity experiments and simulations were performed to investigate the performances of shields with different separated rear walls. The ef...
2021, 41(2): 023301.
doi: 10.11883/bzycj-2020-0181
Abstract:
Amorphous alloys have attracted wide interest from from domestic and foreign research scholars in recent years. In order to explore the deformation behavior and high-speed penetration performance of Hf-based bulk amorphous alloys, the static (10−3 s−...
Amorphous alloys have attracted wide interest from from domestic and foreign research scholars in recent years. In order to explore the deformation behavior and high-speed penetration performance of Hf-based bulk amorphous alloys, the static (10−3 s−...
2021, 41(2): 023302.
doi: 10.11883/bzycj-2020-0057
Abstract:
For ideal long-rod penetration, by analyzing the approximate solutions of the Alekseevskii-Tate model for long-rod penetration, it is pointed out that the single deceleration index α is not sufficient to fully describle the quasi-steady process of lo...
For ideal long-rod penetration, by analyzing the approximate solutions of the Alekseevskii-Tate model for long-rod penetration, it is pointed out that the single deceleration index α is not sufficient to fully describle the quasi-steady process of lo...
2021, 41(2): 023303.
doi: 10.11883/bzycj-2020-0090
Abstract:
Q420 circular steel tubes are widely used to build large-scale steel structures. Such buildings serving in mountain areas are subject to atmospheric corrosion and impact load. In order to study the effect of atmospheric corrosion on the crashworthine...
Q420 circular steel tubes are widely used to build large-scale steel structures. Such buildings serving in mountain areas are subject to atmospheric corrosion and impact load. In order to study the effect of atmospheric corrosion on the crashworthine...
2021, 41(2): 024201.
doi: 10.11883/bzycj-2020-0118
Abstract:
It is necessary to study the erosive wear caused by conveying granules, but it is difficult to track particles trajectories which are required for erosion prediction, especially in shot blasting experiments. In an erosion test, marine sand grains are...
It is necessary to study the erosive wear caused by conveying granules, but it is difficult to track particles trajectories which are required for erosion prediction, especially in shot blasting experiments. In an erosion test, marine sand grains are...
2021, 41(2): 025401.
doi: 10.11883/bzycj-2020-0093
Abstract:
To explore the explosion characteristics of methane-air mixtures with low concentration of methane at various humidities, a device for producing and containing water-saturated air was developed. The temperature and flow of pipes, air bag and explosio...
To explore the explosion characteristics of methane-air mixtures with low concentration of methane at various humidities, a device for producing and containing water-saturated air was developed. The temperature and flow of pipes, air bag and explosio...
