CN103695749B - A kind of ammunition shaped cover of perforation material - Google Patents
A kind of ammunition shaped cover of perforation material Download PDFInfo
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- CN103695749B CN103695749B CN201310644237.9A CN201310644237A CN103695749B CN 103695749 B CN103695749 B CN 103695749B CN 201310644237 A CN201310644237 A CN 201310644237A CN 103695749 B CN103695749 B CN 103695749B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
- F42B1/02—Shaped or hollow charges
- F42B1/032—Shaped or hollow charges characterised by the material of the liner
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Abstract
The invention discloses a kind of ammunition shaped cover of perforation material.It is formed by tungsten powder, pot metal powder, copper powder and graphite assembly.Shaped charge material of the present invention has higher density, good mobility and plasticity, significantly reduces the physical layering in formula, and then the cavity liner made has possessed the characteristic of high-density, high ductibility and high-density homogeneity.Under same test conditions, the cavity liner of this formula test in concrete target in penetration depth improve 80% ~ 100% than traditional common shaped charge.
Description
Technical field
The invention belongs to ammunition shaped cover of perforation technical field, be specifically related to a kind of ammunition shaped cover of perforation material, this shaped charge material is particularly useful for penetrating of concrete target.
Background technology
Traditional common shaped charge material is mainly based on the mmaterial of copper base, and because the density of this Powder Liner material is lower, therefore the jet that formed of cavity liner is also lower to the penetration depth of concrete target.Although containing certain tungsten powder in the Powder Liner material also had, density increases, but the density uniformity of this shaped charge material, material ductility are lower, make the final jet formed lower too to the penetration depth of concrete target.
Summary of the invention
For defect or the deficiency of prior art, the object of the present invention is to provide a kind of ammunition shaped cover of perforation material.
Ammunition shaped cover of perforation material provided by the invention is made up of the powder mix of tungsten powder, pot metal powder and copper powder three and graphite for this reason;
In the powder mix of described tungsten powder, pot metal powder and copper powder three, the mass percent of each raw material is: tungsten powder 60% ~ 80%, pot metal powder 10% ~ 30%, copper powder 5% ~ 20%, and the mass percent sum of three is 100%;
The addition of described graphite is the 0.3%-1% of powder mix quality of tungsten powder, pot metal powder and copper powder three;
Other technologies of the present invention are characterized as:
The size-grade distribution of described tungsten powder is 0 μm ~ 500 μm.
The size-grade distribution of described tungsten powder is:
The volume that granularity is not more than 38 μm of tungsten powders accounts for 40% ~ 60% of tungsten powder cumulative volume;
Granularity is greater than 38 μm and the volume being not more than 74 μm of tungsten powders accounts for 15% ~ 35% of tungsten powder cumulative volume;
Granularity is greater than 74 μm and the volume being not more than 500 μm of tungsten powders accounts for 10% ~ 30% of tungsten powder cumulative volume.
In described pot metal powder, the mass percent of lead powder is 20%-30%, the mass percent of copper powder is 70%-80%.
The size-grade distribution of described pot metal powder is 0 μm ~ 700 μm.
The size-grade distribution of described pot metal powder is:
The volume that granularity is not more than 147 μm of pot metal powder accounts for 5% ~ 20% of pot metal powder cumulative volume;
Granularity is greater than 147 μm and the volume being not more than 350 μm of pot metal powder accounts for 50% ~ 70% of pot metal powder cumulative volume;
Granularity is greater than 350 μm and the volume being not more than 700 μm of pot metal powder accounts for 20% ~ 40% of pot metal powder cumulative volume.
The size-grade distribution of described copper powder is 0 μm ~ 500 μm.
The size-grade distribution of described copper powder is:
The volume that granularity is not more than 60 μm of copper powders accounts for 5% ~ 25% of copper powder cumulative volume;
Granularity is greater than 60 μm and the volume being not more than 147 μm of copper powders accounts for 60% ~ 80% of copper powder cumulative volume;
Granularity is greater than 147 μm and the volume being not more than 500 μm of copper powders accounts for 15% ~ 35% of copper powder cumulative volume.
Described graphite is F-00 oildag.
Compared with prior art, the invention has the advantages that:
(1) metal tungsten powder used in this formula is ultra-fine faceted material, and this tungsten powder material is combined by the body of powder of different grain size specification.This tungsten powder material not only can carry more jet energy, and can better be able to mix with other body of powder in formula constituent, makes mixed body of powder entirety have better uniformity and compactness.
(2) the pot metal powder of the use in this formula is the erose bifunctional material of one, and this bifunctional material is arranged in pairs or groups by the body of powder of different grain size specification and formed.This copper-lead powder alloy powder material not only remains the good ductility that original copper itself has, and significantly reduce the intergranular frictional force of body of powder, add oilness between particle, thus add mobility and the plasticity of body of powder, make to be mixed fully between particle.
(3) copper powder material in this formula is made up of the body of powder of different grain size specification, this copper powder material dendritic surface shape makes body of powder whole interior have higher linking intensity and ductility, make cavity liner form jet there is higher continuity and durability.
Shaped charge material of the present invention has good mobility and plasticity, significantly reduces the physical layering in formula, and then the cavity liner made has possessed the characteristic of high-density, high ductibility and high-density homogeneity.Under same test conditions, the cavity liner of this formula test in concrete target in penetration depth improve 80% ~ 100% than traditional common shaped charge.
Embodiment
In order to make perforating bullet obtain higher penetration depth, cavity liner must have the requirement of high-density, high ductibility and good density uniformity.The density of cavity liner and penetration depth have positively related relation, highdensity shaped charge material to form the penetration depth of jet also higher; The ductility of shaped charge material can make the jet of formation stretch longer and not rupture, and can improve the penetration depth of jet equally; And shaped charge material density uniformity can ensure that the jet formed has higher linearity and collimation, thus obtain higher penetration depth.
Shaped charge material that the present invention adopts, mainly based on ultra-fine polyhedron tungsten powder, simultaneously containing difunctional alloy material pot metal powder and a small amount of copper powder, and adds a small amount of additive graphite and combines.This shaped charge material, has higher density, good mobility and plasticity, significantly reduces the physical layering in formula, and then the cavity liner made has possessed the characteristic of high-density, high ductibility and high-density homogeneity.
Below the embodiment that contriver provides, to be further explained explanation to technical scheme of the present invention.
Embodiment 1:
The shaped charge material component of this embodiment is: tungsten powder 60%, pot metal powder 25%, copper powder 15%; Graphite addition accounts for 0.5% of tungsten powder, pot metal powder and copper powder total mass.
Wherein:
The size-grade distribution of tungsten powder is: the tungsten powder volume that granularity is not more than 38 μm account for tungsten powder cumulative volume 40%, granularity be greater than 38 μm and the tungsten powder volume being not more than 74 μm account for tungsten powder cumulative volume 35%, granularity is greater than 74 μm and the tungsten powder volume being not more than 500 μm accounts for 25% of tungsten powder cumulative volume.
In pot metal powder, the mass percent of lead powder is 20%, the mass percent of copper powder is 80%; The size-grade distribution of pot metal powder is: the pot metal powder that granularity is not more than 147 μm amass account for pot metal powder cumulative volume 20%, granularity be greater than 147 μm and the pot metal powder being not more than 350 μm amass account for pot metal powder cumulative volume 60%, granularity is be greater than 350 μm and the pot metal powder being not more than 700 μm amasss and accounts for 20% of pot metal powder cumulative volume.
The size-grade distribution of copper powder is: the copper powder volume that granularity is not more than 60 μm account for copper powder cumulative volume 5%, granularity be greater than 60 μm and the copper powder volume being not more than 147 μm account for copper powder cumulative volume 80%, granularity is greater than 147 μm and the copper powder volume being not more than 500 μm accounts for 15% of copper powder cumulative volume.
The shaped charge material of this embodiment is adopted to test as follows:
Test conditions and method: the perforating bullet model of test is the conventional DP46HMX39-1 perforating bullet that penetration depth is suitable with GB, and after using the cavity liner of this formula materials, other conditions are constant, assembles in 102 type perforating guns and carries out concrete target test.Test method is GB/T20488-2006 " Oil/gas Well shaped charge perforator material method for testing performance ".
Test-results: penetration depth (calculating through variance) is 1023mm, the penetration depth required than GB GB/T20489-2006 " Oil/gas Well shaped-charge shooting equipment general technical specifications " improves penetration depth raising 86%.
Embodiment 2:
The shaped charge material component of this embodiment is: tungsten powder 80%, pot metal powder 10%, copper powder 10%; Graphite addition accounts for 0.8% of tungsten powder, pot metal powder and copper powder total mass.
Wherein:
The size-grade distribution of tungsten powder is: the tungsten powder volume that granularity is not more than 38 μm account for tungsten powder cumulative volume 60%, granularity be greater than 38 μm and the tungsten powder volume being not more than 74 μm account for tungsten powder cumulative volume 30%, granularity is greater than 74 μm and the tungsten powder volume being not more than 500 μm accounts for 10% of tungsten powder cumulative volume.
In pot metal powder, the mass percent of lead powder is 30%, the mass percent of copper powder is 70%; The size-grade distribution of pot metal powder is: the pot metal powder that granularity is not more than 147 μm amass account for pot metal powder cumulative volume 5%, granularity be greater than 147 μm and the volume being not more than 350 μm of pot metal powder account for pot metal powder cumulative volume 70%, granularity is greater than 350 μm and the pot metal powder being not more than 700 μm amasss and accounts for 25% of pot metal powder cumulative volume.
The size-grade distribution of copper powder is: the copper powder volume that granularity is not more than 60 μm account for copper powder cumulative volume 25%, granularity be greater than 60 μm and the copper powder volume being not more than 147 μm account for copper powder cumulative volume 60%, granularity is greater than 147 μm and the copper powder volume being not more than 500 μm accounts for 15% of copper powder cumulative volume.
The shaped charge material of this embodiment is adopted to test as follows:
Test conditions and method: the perforating bullet model of test is the quite conventional DP46HMX39-1 perforating bullet of penetration depth and GB, and after using the cavity liner of this formula materials, other conditions are constant, assemble in 114 type perforating guns and carry out concrete target test.Test method is GB/T20488-2006 " Oil/gas Well shaped charge perforator material method for testing performance ".
Test-results: penetration depth (calculating through variance) is 1278mm, the penetration depth required than GB GB/T20489-2006 " Oil/gas Well shaped-charge shooting equipment general technical specifications " improves penetration depth raising 106%.
Embodiment 3:
The shaped charge material component of this embodiment is: tungsten powder 70%, pot metal powder 25%, copper powder 5%; Graphite addition accounts for 0.3% of tungsten powder, pot metal powder and copper powder total mass.
Wherein:
The size-grade distribution of tungsten powder is: the tungsten powder volume that granularity is not more than 38 μm account for tungsten powder cumulative volume 50%, granularity be greater than 38 μm and the tungsten powder volume being not more than 74 μm account for tungsten powder cumulative volume 20%, granularity is greater than 74 μm and the tungsten powder volume being not more than 500 μm accounts for 30% of tungsten powder cumulative volume.
In pot metal powder, the mass percent of lead powder is 25%, the mass percent of copper powder is 75%; The size-grade distribution of pot metal powder is: the pot metal powder that granularity is not more than 147 μm amass account for pot metal powder cumulative volume 15%, granularity be greater than 147 μm and the volume being not more than 350 μm of pot metal powder account for pot metal powder cumulative volume 50%, granularity is greater than 350 μm and the pot metal powder being not more than 700 μm amasss and accounts for 35% of pot metal powder cumulative volume.
The size-grade distribution of copper powder is: the copper powder volume that granularity is not more than 60 μm account for copper powder cumulative volume 15%, granularity be greater than 60 μm and the copper powder volume being not more than 147 μm account for copper powder cumulative volume 70%, granularity is greater than 147 μm and the copper powder volume being not more than 500 μm accounts for 15% of copper powder cumulative volume.
The shaped charge material of this embodiment is adopted to test as follows:
Test conditions and method: the perforating bullet model of test is the quite conventional DP46HMX39-1 perforating bullet of penetration depth and GB, and after using the cavity liner of this formula materials, other conditions are constant, assemble in 102 type perforating guns and carry out concrete target test.Test method is GB/T20488-2006 " Oil/gas Well shaped charge perforator material method for testing performance ".
Test-results: penetration depth (calculating through variance) is 1073mm, the penetration depth required than GB GB/T20489-2006 " Oil/gas Well shaped-charge shooting equipment general technical specifications " improves penetration depth raising 95%.
Embodiment 4:
The shaped charge material component of this embodiment is: tungsten powder 60%, pot metal powder 20%, copper powder 20%; Graphite addition accounts for 1% of tungsten powder, pot metal powder and copper powder total mass.
Wherein:
The size-grade distribution of tungsten powder is: the tungsten powder volume that granularity is not more than 38 μm account for tungsten powder cumulative volume 60%, granularity be greater than 38 μm and the tungsten powder volume being not more than 74 μm account for tungsten powder cumulative volume 15%, granularity is greater than 74 μm and the tungsten powder volume being not more than 500 μm accounts for 25% of tungsten powder cumulative volume.
In pot metal powder, the mass percent of lead powder is 23%, the mass percent of copper powder is 77%; The size-grade distribution of pot metal powder is: granularity be the pot metal powder being not more than 147 μm amass account for pot metal powder cumulative volume 6%, granularity be greater than 147 μm and the volume being not more than 350 μm of pot metal powder account for pot metal powder cumulative volume 54%, granularity is greater than 350 μm and the pot metal powder being not more than 700 μm amasss and accounts for 40% of pot metal powder cumulative volume.
The size-grade distribution of copper powder is: the copper powder volume that granularity is not more than 60 μm account for copper powder cumulative volume 5%, granularity be greater than 60 μm and the copper powder volume being not more than 147 μm account for copper powder cumulative volume 60%, granularity is greater than 147 μm and the copper powder volume being not more than 500 μm accounts for 35% of copper powder cumulative volume.
The shaped charge material of this embodiment is adopted to test as follows:
Test conditions and method: the perforating bullet model of test is conventional DP46HMX39-1 perforating bullet (penetration depth is suitable with GB), and after using the cavity liner of this formula materials, other conditions are constant, assemble in 114 type perforating guns and carry out concrete target test.Test method is GB/T20488-2006 " Oil/gas Well shaped charge perforator material method for testing performance ".
Test-results: penetration depth (calculating through variance) is 1223mm, the penetration depth required than GB GB/T20489-2006 " Oil/gas Well shaped-charge shooting equipment general technical specifications " improves penetration depth raising 97%.
Claims (2)
1. an ammunition shaped cover of perforation material, is characterized in that, this ammunition shaped cover of perforation material is made up of the powder mix of tungsten powder, pot metal powder and copper powder three and graphite;
In the powder mix of described tungsten powder, pot metal powder and copper powder three, the mass percent of each raw material is: tungsten powder 60% ~ 80%, pot metal powder 10% ~ 30%, copper powder 5% ~ 20%, and the mass percent sum of three is 100%;
The addition of described graphite is the 0.3%-1% of tungsten powder, pot metal powder and copper powder three powder mix quality;
In described pot metal powder, the mass percent of lead powder is 20%-30%, the mass percent of copper powder is 70%-80%;
The size-grade distribution of described tungsten powder is 0 μm ~ 500 μm;
The size-grade distribution of described pot metal powder is 0 μm ~ 700 μm;
The size-grade distribution of described copper powder is 0 μm ~ 500 μm;
The size-grade distribution of described tungsten powder is:
The volume that granularity is not more than 38 μm of tungsten powders accounts for 40% ~ 60% of tungsten powder cumulative volume;
Granularity is greater than 38 μm and the volume being not more than 74 μm of tungsten powders accounts for 15% ~ 35% of tungsten powder cumulative volume;
Granularity is greater than 74 μm and the volume being not more than 500 μm of tungsten powders accounts for 10% ~ 30% of tungsten powder cumulative volume;
The size-grade distribution of described pot metal powder is:
The volume that granularity is not more than 147 μm of pot metal powder accounts for 5% ~ 20% of pot metal powder cumulative volume;
Granularity is greater than 147 μm and the volume being not more than 350 μm of pot metal powder accounts for 50% ~ 70% of pot metal powder cumulative volume;
Granularity is greater than 350 μm and the volume being not more than 700 μm of pot metal powder accounts for 20% ~ 40% of pot metal powder cumulative volume;
The size-grade distribution of described copper powder is:
The volume that granularity is not more than 60 μm of copper powders accounts for 5% ~ 25% of copper powder cumulative volume;
Granularity is greater than 60 μm and the volume being not more than 147 μm of copper powders accounts for 60% ~ 80% of copper powder cumulative volume;
Granularity is greater than 147 μm and the volume being not more than 500 μm of copper powders accounts for 15% ~ 35% of copper powder cumulative volume.
2. ammunition shaped cover of perforation material as claimed in claim 1, it is characterized in that, described graphite is F-00 oildag.
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| CN201310644237.9A CN103695749B (en) | 2013-12-02 | 2013-12-02 | A kind of ammunition shaped cover of perforation material |
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| CN201310644237.9A CN103695749B (en) | 2013-12-02 | 2013-12-02 | A kind of ammunition shaped cover of perforation material |
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| CN103695749B true CN103695749B (en) | 2016-03-30 |
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| CN103962553A (en) * | 2014-04-30 | 2014-08-06 | 沈阳理工大学 | Heat release material and preparing method thereof |
| CN104722753B (en) * | 2015-03-24 | 2017-01-18 | 中国石油集团川庆钻探工程有限公司 | Preparing method of tungsten copper powder for perforating bullet type cover |
| CN105268965A (en) * | 2015-12-04 | 2016-01-27 | 四川石油射孔器材有限责任公司 | Tungsten-copper composite powder for perforating charge achieving super-deep penetration and making technology thereof |
| CA3067439A1 (en) * | 2017-06-23 | 2018-12-27 | Dynaenergetics Gmbh & Co. Kg | Shaped charge liner, method of making same, and shaped charge incorporating same |
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| 免烧结金属粉末药型罩材料制备工艺研究;赵云涛等;《成都电子机械高等专科学校学报》;20101231;第13卷(第4期);第21-24页 * |
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