CN106382864A - Shaped charge structure for active energy-containing composite shaped charge liner - Google Patents
Shaped charge structure for active energy-containing composite shaped charge liner Download PDFInfo
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- CN106382864A CN106382864A CN201610955630.3A CN201610955630A CN106382864A CN 106382864 A CN106382864 A CN 106382864A CN 201610955630 A CN201610955630 A CN 201610955630A CN 106382864 A CN106382864 A CN 106382864A
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- cavity liner
- liner
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- penetration
- shaped charge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
- F42B33/02—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to a shaped charge structure for an active energy-containing composite shaped charge liner. The shaped charge structure comprises a shell, charge, a buffering shaped charge liner, the active energy-containing shaped charge liner and a penetration shaped charge liner, all of which are of axis symmetric structures. The shell is a combined structure of a circular truncated cone and a cylinder. One end of the cylinder structure is sealed through the circular truncated cone structure. The combined structure of the circular truncated cone and the cylinder is filled with the charge. The other end of the cylinder structure is sequentially provided with the buffering shaped charge liner, the active energy-containing shaped charge liner and the penetration shaped charge liner, and the buffering shaped charge liner, the active energy-containing shaped charge liner and the penetration shaped charge liner are used for sealing the charge into the shell. Each of the buffering shaped charge liner, the active energy-containing shaped charge liner and the penetration shaped charge liner is in a spherical segment shape, and the conical angle of the spherical segment ranges from 10 degrees to 175 degrees. The shaped charge structure has a perforating function and also has a detonation-like effect, and the detonation capability on ammunition, the ignition capability on fuel, the burning stifling actions on personnel and the transverse damaging effect on targets of the shaped charge structure are far stronger than those of an inert shaped charge liner.
Description
Technical field
The invention belongs to ammunition engineering technical field, more particularly to a kind of activity composite liner beehive-shaped charge containing energy knot
Structure.
Background technology
Explore and there is the important development direction that the ammunition efficiently injured is conventional ammunition field, the oil that future battlefield is faced
The targets such as tank, oil carrier, armored vehicle, traditional charge warhead exists and oil plant is difficult to reliable ignition, is difficult to reliability to ammunition
Ignite, low to armored vehicle Kill capability the problems such as, how to realize efficiently injuring to these targets, be ammunition industry needs
The urgent difficult problem solving.Traditional warhead is single mainly by armor piercing effect, damage effect when hitting the targets such as tank, plate armour,
Kill capability is low.
Content of the invention
It is an object of the invention to overcoming the above-mentioned deficiency of prior art, provide a kind of activity composite liner cumulative containing energy
Charge constitution, compared with conventional metals cavity liner, this loaded constitution of power-assembling, in addition to having perforation effect, also has class detonation work(
Effect, its detonation power to ammunition, the ignition capability to fuel oil, to the burn of personnel, smothering action and laterally breaking to target
Bad effect is considerably beyond inertia cavity liner.Through numerical computations and ground experiment examination, the comprehensive Kill capability of target is all reached
To expected purpose.
The above-mentioned purpose of the present invention is mainly achieved by following technical solution：
A kind of activity composite liner loaded constitution of power-assembling containing energy, contains energy including housing, powder charge, buffering cavity liner, activity
Cavity liner and penetration cavity liner, wherein housing are the combining structure of round platform and cylinder, and frustum cone structure will be close for one end of cylindrical structure
Envelope, powder charge is seated in round platform and the combining structure of cylinder, and the other end of cylindrical structure sets gradually buffering cavity liner, activity
Contain energy cavity liner and penetration cavity liner, and buffer cavity liner, activity cavity liner containing energy and penetration cavity liner and powder charge is sealed in shell
In vivo, described buffering cavity liner, activity be containing cavity liner and penetration cavity liner being segment shape, and the cone angle of segment is 10 °～
175 °, described housing, powder charge, buffering cavity liner, activity cavity liner containing energy and penetration cavity liner are axially symmetric structure.
Contain in energy composite liner loaded constitution of power-assembling in above-mentioned activity, buffer cavity liner, activity cavity liner containing energy and invade
The cone angle of thorough cavity liner segment is 30 °～160 °.
Contain in energy composite liner loaded constitution of power-assembling in above-mentioned activity, described buffering cavity liner, activity cavity liner containing energy
Cover thickness with penetration cavity liner is 0.01～0.1 times of powder charge maximum gauge；Preferably 0.02～0.05 times.
Contain in energy composite liner loaded constitution of power-assembling in above-mentioned activity, described buffering cavity liner, activity cavity liner containing energy
Intimate contact with one another with penetration cavity liner adjacent two layers.
In above-mentioned activity composite liner loaded constitution of power-assembling containing energy, the bottom thickness of described housing is that powder charge is maximum straight
0.01～0.15 times of footpath；Preferably 0.03～0.08 times.
In above-mentioned activity composite liner loaded constitution of power-assembling containing energy, the material of described housing is steel or aluminium, described slow
Rushing cavity liner and the material of penetration cavity liner is copper or aluminium.
In the above-mentioned active composite liner loaded constitution of power-assembling containing energy, the material containing energy cavity liner for the described activity is aluminium powder
With polytetrafluorethylepowder powder compacting sintering mixture, the wherein mass percentage content of aluminium powder is 10%～50%, polytetrafluoroethyl-ne
The mass percentage content of alkene powder is 50%～90%.
Contain in energy composite liner loaded constitution of power-assembling in above-mentioned activity, described buffering cavity liner, activity cavity liner containing energy
It is connected with inner walls face by screw with the ring edge of penetration cavity liner, or pass through bonding way and inner walls
Face is connected.
In above-mentioned activity composite liner loaded constitution of power-assembling containing energy, after powder charge is detonated, buffering cavity liner, activity contain energy
Cavity liner and the clad type EFP of penetration cavity liner formation high-speed flight, i.e. the EFP bag of buffering cavity liner and the formation of penetration cavity liner
Cover activity cavity liner containing energy.
In above-mentioned activity composite liner loaded constitution of power-assembling containing energy, described buffering cavity liner absorbs detonation wave energy,
Avoid activity to contain cavity liner to crush or reaction occurs to early, activity cavity liner containing energy is shielded；Described activity contains energy
There is chemical reaction after going deep into target in cavity liner, discharge chemical energy, pilot fuel, ignition ammunition, improve laterally breaking to target
Bad effect；Described penetration cavity liner carries out penetration to target, and activity cavity liner containing energy is shielded.
The present invention compared with prior art has the advantages that：
(1), the present invention has carried out innovative design to loaded constitution of power-assembling, and charge constitution includes buffering cavity liner, activity contains
Energy cavity liner and penetration cavity liner, compared with conventional metals cavity liner, this activity contains can composite liner be made except having perforation
With outer, also there is class detonation effect, its detonation power to ammunition, the ignition capability to fuel oil, to the burn of personnel, suffocate work
With with to the horizontal damage effect of target considerably beyond inertia cavity liner, through numerical computations and ground experiment examination, to target
Comprehensive Kill capability all accomplish the end in view；
(2), setting buffering cavity liner, absorbable detonation wave energy, it is to avoid cavity liner is easily broken in charge constitution of the present invention
Broken or reaction occurs to early, to activity containing can cavity liner shield；
(3), setting activity cavity liner containing energy in charge constitution of the present invention, absorbable detonation wave energy, can after going deep into target
There is chemical reaction, discharge chemical energy, can pilot fuel, ignition ammunition；
(4), penetration cavity liner is set in charge constitution of the present invention, and density and the velocity of sound are higher, stronger to target Penetration Ability,
Activity cavity liner containing energy can also be shielded；
(5), the present invention is by part each to loaded constitution of power-assembling, especially buffering cavity liner, activity Types of Medicine containing energy
The optimization design of the version of cover and penetration cavity liner, shape, proportional sizes and material etc., further enhancing beehive-shaped charge
The Penetration Ability to target for the structure；
(6), the housing design of loaded constitution of power-assembling of the present invention is the structure of round platform+cylinder, through optimization design so that filling
Medicine structure, while reducing explosive payload, does not reduce penetration effect；
Retracting device of the present invention is examined through ground experiment, and the damage effectiveness of target is accomplished the end in view.
Brief description
Fig. 1 is means for loading three dimensional sectional view of the present invention；
Fig. 2 is means for loading longitudinal sectional drawing of the present invention；
The result of calculation figure that Fig. 3 is run through for steel ingot of the present invention；
The experimental result picture that Fig. 4 is run through for steel ingot of the present invention；
Fig. 5 is the ignition test result figure to diesel oil for the present invention；
Fig. 6 is the present invention to oil tank equivalent target target Incendiary effect figure；
Fig. 7 injures result of the test figure for the present invention to oil tank equivalent target target, and wherein Fig. 7 a is double-deck steelframe, and Fig. 7 b is oil
Case.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
It is illustrated in figure 1 means for loading structural representation of the present invention；Fig. 2 is means for loading longitudinal sectional drawing of the present invention, by
Scheme to understand that charge constitution of the present invention includes housing 1, powder charge 2, buffering cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5,
Wherein housing 1 is the combining structure of round platform and cylinder, and one end of cylindrical structure is sealed by frustum cone structure, and powder charge 2 is seated in round platform
In the combining structure of cylinder, and the other end of cylindrical structure sets gradually buffering cavity liner 3, activity cavity liner 4 containing energy and invades
Thorough cavity liner 5, and buffering cavity liner 3, activity contain energy cavity liner 4 and powder charge 2 is sealed in housing 1 penetration cavity liner 5, described
Buffering cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5 are segment shape, and the cone angle of segment is 10 °～175 °, excellent
Select 30 °～160 °.Described housing 1, powder charge 2, buffering cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5 are axle pair
Claim structure.
The cover thickness of buffering cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5 is the 0.01 of powder charge maximum gauge
～0.1 times；Preferably 0.02～0.05 times.The thickness of buffering cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5 can phase
Same or different.
Buffering cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5 adjacent two layers are intimate contact with one another.
The bottom thickness of housing 1 is 0.01～0.15 times of powder charge maximum gauge；Preferably 0.03～0.08 times.Housing 1
Material can be steel or aluminium, and the material of buffering cavity liner 3 and penetration cavity liner 5 can be copper or aluminium, the material containing energy cavity liner 4 for the activity
For aluminium powder and polytetrafluorethylepowder powder compacting sintering mixture, the wherein mass percentage content of aluminium powder is 10%～50%, gathers
The mass percentage content of tetrafluoroethene powder is 50%～90%.The formula adopting in the embodiment of the present invention accounts for for aluminium powder quality
26%, polytetrafluorethylepowder powder quality accounts for 74%.
The ring edge of buffering cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5 passes through screw and housing 1 inwall
Face is connected, or is connected with housing 1 internal face by bonding way.
After powder charge is detonated, buffering cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5 form the cladding of high-speed flight
Formula EFP, that is, buffer EFP cladding activity cavity liner 4 containing energy that cavity liner 3 and penetration cavity liner 5 are formed.
Buffering cavity liner 3 can absorb detonation wave energy, it is to avoid cavity liner is easily broken or reaction occurs to early, and activity is contained
Can cavity liner shield；Described activity, containing caning absorb detonation wave energy by cavity liner 4, can occur chemistry anti-after going deep into target
Should, discharge chemical energy, can pilot fuel, ignition ammunition；Described penetration cavity liner 5 density and the velocity of sound are higher, to target penetration energy
Power is relatively strong to shield moreover it is possible to activity is contained with energy cavity liner.
The mechanism of charge constitution of the present invention is as follows：
After powder charge is detonated, cavity liner, under the explosion product of HTHP acts on, forms the clad type EFP of high-speed flight,
It is wrapped in active energetic material, head is the stronger EFP of Penetration Ability, after EFP penetrates target, active material reaction is released in EFP
Put chemical energy, there is to target kinetic energy, impact superpressure, high temperature are seted on fire, suffocate etc. and compound injuring striking capabilities.
Embodiment 1
A kind of activity containing energy composite liner loaded constitution of power-assembling is described below to steel ingot, the calculating of oil tank equivalent target and reality
Test result.In the present embodiment, the cone angle of buffering cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5 segment is 130 °, delays
The cover thickness rushing cavity liner 3, activity cavity liner 4 containing energy and penetration cavity liner 5 is 0.03 times of powder charge maximum gauge.Activity contains energy
The aluminium powder quality that consists of of cavity liner 4 accounts for 26%, and polytetrafluorethylepowder powder quality accounts for 74%.The material of housing 1 can be steel, buffering
The material of cavity liner 3 and penetration cavity liner 5 is copper.
The calculating of 1 pair of steel ingot and experimental result
Two-dimensional axial symmetric computation model in application finite-difference program AUTODYN is to active cumulative charging explosion, buffering
Material cladding active material forms penetration body and the penetration effect process simulation to steel ingot.In computation model explosive,
Three kinds of drug-shaped covers and charge shell etc. adopt many materials EULER algorithm, and steel ingot adopts Lagrangian Arithmetic, mutual between them
Act through fluid-structure coupling computation to simulate.The reaction of active material is not considered in computation model.
The detonation of explosive and energy release process are described with JWL state equation：
In formula：E is unit quality interior energy；V is specific volume；A、B、R1、R2, ω be constant.
Atmospheric density is 1.225kg/m3, using The Ideal-Gas Equation, γ=1.4.Initial pressure in setting air
For 1 atmospheric pressure.
Under detonation, structure dynamic response is related to large deformation and high strain-rate, herein, shell, target plate, drug-shaped cover
Using Johnson-Cook strength model, dynamic yield stress is represented by：
Wherein, A is material static yield limit, and B, n are strain hardening parameter, and C is the parameter related to strain rate, εpFor
Equivalent plastic strain,For normalized equivalent plastic strain rate, m softens parameter for temperature, if room temperature is TRoom, melting temperature
For TMelt, then relative temperature THDefinition be：
TH=(T-TRoom)/(TMelt-TRoom) (3)
Shell, steel ingot, the state equation of drug-shaped cover are Linear：
P=Ku (4)
Here, u=ρ/ρ0- 1, K are the bulk moduluses of material.
After the blast of beehive-shaped charge bullet, cavity liner upset forms explosive formation projectiles class penetration body, with Jet Formation phase
When explosive formation projectiles are formed, internal pressure is relatively low, is conducive to keeping the insensitiveness characteristic of active material for ratio.Penetration body pair
The calculation of penetration result of the thick 45# steel ingot of 45mm as shown in figure 3, under the height of burst 150mm steel ingot penetrated in shear plugging mode：
Perforate inlet diameter φ 29mm, outlet diameter φ 38mm, middle minimum diameter φ 22mm.Penetration body maximum before target
Speed is 1310m/s, and wearing residual velocity after target is 350m/s, still has certain penetration capacity.
Test arrangement is followed successively by from top to bottom：Active bullet, paper web, 45# steel ingot, hollow support structures.Paper web is used for really
Determine the height of burst, under two schemes, the height of burst is 150mm.Ingot thickness 45mm, diameter phi 180mm, the hollow support knot below steel ingot
The rag dipping in diesel oil is placed in structure.
Steel ingot perforate result of the test is closer to numerical result：Steel ingot is by completely through entrance has flange, outlet
More obvious avalanche phenomenon then occurs.Inlet diameter φ 33mm, outlet diameter φ 37mm, middle minimum diameter φ 20mm.By
Fig. 4 is visible, and preferably, before target is hit in this explanation, active penetration shape is complete, and padded coaming is to activity for steel ingot entrance pass symmetry
Cavity liner plays a very good protection.All there is radial ablation vestige in steel ingot front, illustrates that hitting target moment active material is subject to
HTHP effect starts reaction and releases energy.By sooting around hole wall, this is that in Penetration, active material continues to put
Thermal response causes to hole wall ablation.Fig. 5 is the result of igniting to diesel oil after target, discharges chemistry in a large number after active material reaction
Can, generate high-temperature product and the rag dipping in diesel oil after steel ingot ignites.The calculating of 2 pairs of oil tank equivalent targets and experimental result
To fill the double plate floating top oil tank of diesel oil as target of attack, and carried out equivalent with following structure according to target property：
The 5mm thickness Q235 steel plate of two block gap 500mm is placed on the Q235 steel diesel fuel tanks of wall thickness 5mm.
Numerical result is as follows：After beehive-shaped charge charging explosion, cavity liner upset forms explosive formation projectiles, and bullet is
Big speed is 1310m/s.First and second pieces of Q235 steel plate opening diameters are respectively φ 35.6mm, φ 27.2mm, top of oil-tank
Steel plate opening diameter is φ 26.6mm, and penetration body residual velocity through after top of oil-tank steel plate is 730m/s, still has certain
Penetration Ability.
On testing Ground arrangement, fuel tank is welded with 5mm thickness Q235 steel plate, and length, width and height are 200mm, and top of oil-tank is opened
There is oil filler point, diesel oil is injected by the oil filler point of top of oil-tank, fill to 80% completely.Fuel tank is placed above double-deck steelframe, and steelframe is upper and lower
5mm thickness Q235 steel plate for two block gap 500mm.Steelframe corner is connected with four reinforcing bars and nut, is convenient for changing steel plate.Fight
Portion is placed on steelframe, and the test height of burst is 35mm, is highly determined by paper web.
Result of the test is as shown in Figure 7：The penetration body priority that blast is formed penetrates three layers of 5mm steel plate, then invades diesel oil
In.Steelframe upper strata Q235 steel plate center is in that petal-shaped ruptures, and perforate bore is φ 45mm；Lower floor Q235 steel plate opening bore is
40mm × 35mm, the downward slight depression of perforate, periphery flawless, steel plate perforate surrounding has multiple pittings, and this is the few portion of penetration body
The polylith horizontal spray penetration being formed after crushing is divided to form；The top of oil-tank steel plate opening bore containing diesel oil is φ 35mm,
The pit that penetration body shock causes is had on the steel plate of bottom.Because computation model does not consider the reaction of active material, lead to numerical value meter
Calculate result and be much smaller than experiment opening bore open, this also absolutely proves that active material just has begun in impingement interval target occur instead
Should, penetration volume expansion diameter increases, and the perforation on steel plate also accordingly expands.
After the high speed penetration body that blast is formed invades diesel oil, diesel oil quickly arranges to surrounding, and active material continues reaction, releases
Amplification quantity chemical energy, makes that diesel oil is a large amount of to gasify and be atomized, and mixes with inner air and reaches explosion limit and explode, leads to oil
Case be subject to bulging effect after gross distortion, from welding position tear come, structure disintegrates into five blocks of steel plates, tank bottoms steel plate by
Pit in shock in remaining penetration body.Active material and diesel oil are splashed to each corner of room, and diesel oil is atomized further, and
Duration very long raging flames has been lighted after being sufficiently mixed with outside air on ground and wall.It is illustrated in figure 6 this
Invention is to oil tank equivalent target target Incendiary effect figure.
The present invention is through numerical computations and ground experiment examination, the opening capability to hard-to-hit target and the energy that ignites to fuel oil
Power all accomplishes the end in view.
The above, the only optimal specific embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in,
All should be included within the scope of the present invention.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (10)
1. a kind of activity containing can composite liner loaded constitution of power-assembling it is characterised in that：Including housing (1), powder charge (2), buffering
Cavity liner (3), activity cavity liner containing energy (4) and penetration cavity liner (5), wherein housing (1) are the combining structure of round platform and cylinder,
One end of cylindrical structure is sealed by frustum cone structure, and powder charge (2) is seated in round platform and the combining structure of cylinder, and cylindrical structure
The other end sets gradually buffering cavity liner (3), activity cavity liner containing energy (4) and penetration cavity liner (5), and buffering cavity liner (3),
Activity is containing can cavity liner (4) and penetration cavity liner (5) powder charge (2) be sealed in housing (1), described buffering cavity liner (3), alive
Property containing cavity liner (4) and penetration cavity liner (5) segment shape can be, the cone angle of segment is 10 °～175 °, described housing (1),
Powder charge (2), buffering cavity liner (3), activity cavity liner containing energy (4) and penetration cavity liner (5) are axially symmetric structure.
2. a kind of activity according to claim 1 containing can composite liner loaded constitution of power-assembling it is characterised in that：Described slow
The cone angle rushing cavity liner (3), activity cavity liner containing energy (4) and penetration cavity liner (5) segment is 30 °～160 °.
3. a kind of activity according to claim 1 containing can composite liner loaded constitution of power-assembling it is characterised in that：Described slow
The cover thickness rushing cavity liner (3), activity cavity liner containing energy (4) and penetration cavity liner (5) is the 0.01～0.1 of powder charge maximum gauge
Times；Preferably 0.02～0.05 times.
4. a kind of activity according to claim 1 containing can composite liner loaded constitution of power-assembling it is characterised in that：Described slow
Rush cavity liner (3), activity cavity liner containing energy (4) and penetration cavity liner (5) adjacent two layers intimate contact with one another.
5. a kind of activity according to claim 1 containing can composite liner loaded constitution of power-assembling it is characterised in that：Described shell
The bottom thickness of body (1) is 0.01～0.15 times of powder charge maximum gauge；Preferably 0.03～0.08 times.
6. a kind of activity according to claim 1 containing can composite liner loaded constitution of power-assembling it is characterised in that：Described shell
The material of body (1) is steel or aluminium, and the material of described buffering cavity liner (3) and penetration cavity liner (5) is copper or aluminium.
7. a kind of activity according to claim 1 or 6 containing can composite liner loaded constitution of power-assembling it is characterised in that：Institute
The material stating activity cavity liner containing energy (4) is aluminium powder and polytetrafluorethylepowder powder compacting sintering mixture, the wherein quality of aluminium powder
Degree is 10%～50%, and the mass percentage content of polytetrafluorethylepowder powder is 50%～90%.
8. a kind of activity according to claim 1 containing can composite liner loaded constitution of power-assembling it is characterised in that：Described slow
The ring edge rushing cavity liner (3), activity cavity liner containing energy (4) and penetration cavity liner (5) passes through screw and housing (1) internal face
It is connected, or be connected with housing (1) internal face by bonding way.
9. a kind of activity according to claim 1 containing can composite liner loaded constitution of power-assembling it is characterised in that：Powder charge rises
After quick-fried, buffering cavity liner (3), activity cavity liner containing energy (4) and penetration cavity liner (5) form the clad type EFP of high-speed flight, that is,
Buffer EFP cladding activity cavity liner containing energy (4) that cavity liner (3) and penetration cavity liner (5) are formed.
10. a kind of activity according to claim 1 containing can composite liner loaded constitution of power-assembling it is characterised in that：Described
Buffering cavity liner (3) absorbs detonation wave energy, it is to avoid activity cavity liner containing energy (4) crushes or reaction occurs to early, and activity is contained
Can cavity liner (4) shield；Described activity, containing can cavity liner (4) go deep into, after target, chemical reaction occurs, discharges chemical energy,
Pilot fuel, ignition ammunition, improve the horizontal damage effect to target；Described penetration cavity liner (5) carries out penetration to target, and
Activity cavity liner containing energy is shielded.
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| CN111777476A (en) * | 2020-06-08 | 2020-10-16 | 北京理工大学 | Warhead active fragment with sealing layer and preparation method and application thereof |
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| CN112212749A (en) * | 2020-10-16 | 2021-01-12 | 安徽理工大学 | Linear energy-gathering cutter for separating steel materials |
| CN113137894A (en) * | 2021-05-20 | 2021-07-20 | 中国人民解放军火箭军工程设计研究院 | Energy-containing composite shaped charge liner cutter structure |
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| CN113607005A (en) * | 2021-07-22 | 2021-11-05 | 北京理工大学 | Can form gradient activation activity and invade shaped charge structure of exploding body of rod |
| CN114160794A (en) * | 2021-10-20 | 2022-03-11 | 物华能源科技有限公司 | Energy-increasing active material shell, preparation method and outer sleeve type synergistic perforating charge matched with energy-increasing active material shell |
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