CN103471467A - Arched composite alloy protection plate module and production technology thereof - Google Patents
Arched composite alloy protection plate module and production technology thereof Download PDFInfo
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- CN103471467A CN103471467A CN2013103940762A CN201310394076A CN103471467A CN 103471467 A CN103471467 A CN 103471467A CN 2013103940762 A CN2013103940762 A CN 2013103940762A CN 201310394076 A CN201310394076 A CN 201310394076A CN 103471467 A CN103471467 A CN 103471467A
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Abstract
The invention belongs to the technical field of vehicle protection, and relates to an arched composite alloy protection plate module and a production technology thereof. The arched composite alloy protection plate module is arched and mainly composed of metal matrixes and a metal mesh, and the metal mesh is composited in the metal matrixes. The arched composite alloy protection plate module is produced with an FV casting technology. The production technology includes the steps: (1) producing a full mold, and using polystyrene foam beads for forming a protection plate template by foaming; (2) coating the template of the protection plate module with fireproof paint, and after drying, placing the dried template into a vacuum casting box for vacuumizing prior to molding by casting; (3) subjecting the arched composite alloy protection plate module molded by casting to heat treatment, and sequentially performing annealing, normalizing and tempering. Vehicle bodies are sufficiently protected against damage caused by shock waves of explosive, personal safety of passengers is protected sufficiently and effectively, and particularly effect in protecting against the explosive less than 10 kilos is better.
Description
Technical field
The invention belongs to the Vehicle protector technical field, be specifically related to a kind of arch composite alloy backplate module and production technology thereof, for the foot guard of the foot guard of wheeled vehicle, particularly wheeled armored vehicle.
Background technology
Since entering the new century, the asymmetric low intensity warfares such as the war against terror and rebellion unrest impel wheeled vehicle, and particularly wheeled armored vehicle becomes the main tool of carrying the soldier.Generally, the bottom of common wheeled vehicle is parallel to the ground, can not decompose and absorb the energy of the shock wave of explosive explosion time generation, and the shock wave of blast can cause the damage of car body and occupant's injures and deaths.All over the world, the threat attacked from land mine, roadside bomb is increasing, and the casualties caused is more and more.To this, each state is all carrying out deep research, and exploration can be carried out the effectively technical scheme of protection to the wheeled vehicle bottom.
At present, at large, the protection of wheeled vehicle vehicle bottom is to adopt the v-shaped structure plate armour that adopts a plurality of angles on the v-shaped structure of single angle plate armour or single car body, its principle is exactly the shock wave that utilizes angular separation, decay land mine and other explosive explosion times to produce, shock wave is reduced in the energy in vehicle bottom front, thereby increase the barrier propterty of vehicle.As Chinese patent " mine resistant armored vehicle ", the patent No. 201080025807.0, disclose a kind of armoring land vehicle that relates to anti-land mine shock wave.This vehicle comprises the vehicle body formed by sheet material, vehicle body has center line, comprises the top of opposed side portions, limits the first base section of V-arrangement, the top of this V-arrangement is roughly parallel to the longitudinal centre line of vehicle and extends along the part of vehicle, and the second base section that limits V-arrangement, the top of this V-arrangement is roughly parallel to the longitudinal centre line of vehicle and extends along another part of vehicle.The energy-absorbing member of metal extending longitudinally is arranged in the inside of described the first base section, and there is metal energy absorption component extending longitudinally the inside of described the second base section.This kind of structural design decomposed the damage of the shock wave of landmine explosion to vehicle bottom, but still have three shortcomings: the energy-absorbing member of the metal of first base section inside is less to the absorption of energy, can not prevent injection and the avalanche of the fragmentation of backplate, can not sufficiently resist the damage of the shock wave of explosive to car body, can not enough effectively be protected occupant's personal safety; It two is that V-arrangement bottom is an integral body, and producting process difficulty is larger, inconvenient detachable maintaining, and during replacing, material requested is huge, and expense is higher; Its three be V-arrangement bottom V-arrangement cusp and ground apart from less, often can clash into ground, particularly, under rugged road conditions, affect Vehicle Driving Cycle.
In order to overcome these shortcomings and limitations, the present invention proposes the technical scheme of a kind of arch composite alloy backplate module and production technology thereof.
Summary of the invention
The purpose of design of arch composite alloy backplate module of the present invention is limitation and the shortcoming in order to overcome above-mentioned technology; provide a kind of explosive of effectively resisting to the damage of car body and effective arch composite alloy backplate module that occupant's personal safety is protected; reduce producting process difficulty and maintenance, replacement cost; under rugged road conditions; also wheeled; make up the same level wheeled vehicle, particularly the deficiency of armored vehicle blast protection ability.
The objective of the invention is to be achieved through the following technical solutions: arch composite alloy backplate module of the present invention is arch, metallic matrix and wire netting, consists of, and said wire netting is compound in metallic matrix.
Arch composite alloy backplate module of the present invention, is characterized in that said wire netting is positioned at the position of said metallic matrix from backplate module outer surface about 1/3rd.
Arch composite alloy backplate module of the present invention, is characterized in that the inner surface of said metallic matrix is bonded with the fibrous composite interior lining panel.
Arch composite alloy backplate module of the present invention, is characterized in that said fibrous composite interior lining panel is composited by glass fibre and phenolic resins.
Arch composite alloy backplate module of the present invention, is characterized in that the longitudinal centre line of said arch composite alloy backplate module along vehicle, is arranged on the framework on wheeled vehicle chassis, and its quantity is n, wherein 1≤n≤20.
Arch composite alloy backplate module of the present invention, the chemical composition and the percentage by weight that it is characterized in that said metallic matrix are: C 0.06 – 0.35%, and Cr 0.5-1.3%, Mo 0.25 – 0.9%, Si 0.20-0.65%, Mn 0.2-0.65%, and V 0.02-0.08%, and Cu 0.04-0.10%, Al 0.10-0.35%, Ti 0.03 – 0.08%, Ni 0.25 – 0.85%, all the other are iron and other inevitable impurity.
Arch composite alloy backplate module of the present invention, the chemical composition and the percentage by weight that it is characterized in that said metallic matrix are: C 0. 25%, Cr 0.93%, and Mo 0.5%, Si 0.45%, Mn 0.45%, and V 0.05%, and Cu 0.07%, Al 0.22%, Ti 0.05%, and Ni 0.55%, and all the other are iron and other inevitable impurity.
Arch composite alloy backplate module of the present invention, the chemical composition and the percentage by weight that it is characterized in that said wire netting are: C 0.08-0.16%, Si 0.15-0.3%, Mn 0.2-0.35%, W 0.1-0.4%, all the other are iron and other inevitable impurity.
Arch composite alloy backplate module of the present invention is characterized in that the chemical composition of said wire netting and percentage by weight are: C 0.12%, Si 0.22%, Mn 0.28%, W 0.25%, all the other are iron and other inevitable impurity.
The production technology of arch composite alloy backplate module of the present invention, is characterized in that adopting the FV casting technique to complete, and its processing step is:
(1) make full mold, form the apperance of backplate module with the foaming of polystyrene foam bead;
(2) the apperance of backplate module is coated to fireproof coating, after drying, put into the vacuum sandbox, vacuumize, then moulding by casting;
(3) the arch composite alloy backplate module of moulding by casting is heat-treated, annealed successively, normalizing and tempering.
The production technology of arch composite alloy backplate module of the present invention, the processing step of said moulding by casting is:
(1) wire netting is placed in Foam Pattern to the position from the outer surface of apperance about 1/3rd;
(2) molybdenum powder is added in the molten steel of ladle and melt;
(3) the molten steel that will melt molybdenum powder injects Foam Pattern, and molten steel and Foam Pattern displacement form arch composite alloy backplate module.
The production technology of arch composite alloy backplate module of the present invention, is characterized in that said heat treated annealing temperature is 1000 ℃ of 850 –, and temperature retention time 3-6 h are then cooling with stove; Said heat treated normalizing temperature is 1000-1100 ℃, and temperature retention time 2-4 h are then air-cooled; Said heat treated temperature is 700-800 ℃, temperature retention time 3-5 h, then air cooling.
The chemical composition of the metallic matrix of arch composite alloy backplate module of the present invention adopts following principle design: add Si, can hinder the gathering of carbide when tempering, improved anti-tempered performance, and made the pearlite chap.Add Mn, add manganese, impel solid solution in ferrite or austenite, significantly improve the quenching degree of steel, add chromium, solid solution can form many middle carbide with steel grade carbon again in ferrite, can play the precipitation strength effect.Add nickel, form solid solution and enlarge the austenite phase region in steel, can obtain more pearlite, be conducive to the strengthening of steel.Add copper to play the precipitation strength effect, be used for improving the intensity of steel and the toughness of steel.Add titanium, it and nitrogen, oxygen, carbon have stronger binding ability.The ability of titanium is better than iron, it effectively deoxidation degas, intensity and the plasticity of foundry goods improves in refined cast structure.Add vanadium, crystal grain thinning improves mechanical performance.Add molybdenum, solid solution can significantly improve the recrystallization temperature of steel in steel, increases quenching property of tempering.Add aluminium, good deoxidation is significantly removed the non-metallic inclusion in steel.
In the present invention, chromium, nickel, silicon, manganese, molybdenum, titanium are compared with the homogeneous armor steel and are improved significantly with the solid solution in-fighting peak value of carbon, therefore, have improved significantly the explosion-proof performance of backplate module.
After the molten steel fusing, before cast, add the Mo powder in ladle, its effect is to make crystallization under segregation status, makes arch backplate module outside hardness higher than inboard, and inboard toughness, higher than the outside, further improves its barrier propterty.
The fibrous composite interior lining panel of metallic matrix inner surface is composited by glass fibre and phenolic resins, can noise reduction, damping, anti-detonation wave splash, prevent the fragment avalanche.
Arch composite alloy backplate module of the present invention adopts metallic matrix and wire netting composite casting, FV cavityless casting evaporative pattern technique, and annealing, normalizing and tempering heat treatment, realized high rigidity, high-intensity mechanical property.
Arch composite alloy backplate module of the present invention adopts five kinds of principles to improve its explosion-proof performance:
(1). arch composite alloy backplate module has realized high strength and high rigidity by design and the Technology for Heating Processing of chemical composition;
(2). domes have been realized maximum explosion-proof shock wave ability;
(3). add the Mo powder in ladle, make molybdenum crystallization under segregation status, make arch backplate module outside hardness higher than inboard, inboard toughness, higher than the outside, has further improved barrier propterty;
(4) the steel mesh be placed in metallic matrix plays pulling force, obstruction and invigoration effect to the blast fragment, and the prevent exploding fragmentation sprays and avalanche;
(5). the fibrous composite interior lining panel of the inner surface bonding of metallic matrix has further absorbed the energy of blast.
During use, adopt that bolt type is fastening or chute type is fastening, 5-20 arch composite alloy backplate module spliced are run in and are listed as longitudinally center line and are installed on the framework on wheeled vehicle chassis.
The present invention has realized following beneficial effect:
(1) explosive explosion time, pulling force, obstruction and invigoration effect due to backplate inside modules steel mesh, the fragmentation that makes to produce does not spray, not avalanche or buffering avalanche, realized sufficiently resisting the damage of the shock wave of explosive to car body, enough effectively occupant's personal safety is protected, particularly to the better protecting effect of the explosive below 10 kilograms;
(2). the backplate that shock resistance is made than homogeneous armor steel improves 2--and 4 times;
(3). backplate module arch bottom distance overhead is greater than the V-arrangement bottom, and the situation that has overcome V-arrangement bottom plating colliding surface occurs;
(4). the backplate module that is arranged on the wheeled vehicle bottom is that polylith is stitched together, and is screwed on the framework on wheeled vehicle chassis, changes one for broken one, saves material, has reduced significantly maintenance cost.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of arch composite alloy backplate module of the present invention.
Fig. 2 is the sectional view at A--A place in Fig. 1.
Fig. 3 is the splicing schematic diagram of arch composite alloy backplate module of the present invention.
Fig. 4 is the heat treatment cycle curve of arch composite alloy backplate module of the present invention.
Fig. 5 is explosion time, the energy curves of detonation wave and arch composite alloy backplate module.
In figure, 1-metallic matrix, 2-wire netting, 3-fibrous composite interior lining panel, 4-backplate module inner surface, 5-backplate module outer surface, 6-screw.
The specific embodiment
Arch composite alloy backplate module of the present invention consists of metallic matrix 1 and wire netting 2, and said wire netting 2 is compound in metallic matrix 1, from the position of backplate module outer surface 5 about 1/3rd.The fibrous composite interior lining panel 3 that is bonded in the metallic matrix inner surface is composited by glass fibre and phenolic resins.11 layers of the casing liner that glass fibre phenolic resins compacting forms glass fabrics thick by 0.5mm form, gross thickness is 6mm, reach the effect of noise reduction, damping, anti-detonation wave splash, avalanche, auxiliary protection, the width of arch composite alloy backplate module is 1006mm, and the arch radian is 160 degree.4 is backplate module inner surface, and 6 is screw, for the backplate module being fixed on to the framework of vehicle chassis.
Chemical composition and the percentage by weight of said metallic matrix 1 are: C 0. 25%, Cr 0.93%, and Mo 0.5%, and Si 0.45%, Mn 0.45%, and V 0.05%, and Cu 0.07%, and Al 0.22%, Ti 0.05%, and Ni 0.55%, and all the other are iron and other inevitable impurity.Chemical composition and the percentage by weight of said wire netting 2 are: C 0.12%, Si 0.22%, Mn 0.28%, W 0.25%, all the other are iron and other inevitable impurity.
Arch composite alloy backplate adopts the FV casting technique to complete, and its processing step is:
(1) make full mold, with the polystyrene foam bead, through the steam foaming, form the backplate apperance;
(2) the backplate apperance is coated to fireproof coating, after drying, put into the moulding of vacuum sandbox, vacuumize, then moulding by casting;
(3) the arch composite alloy backplate module of moulding by casting is carried out to knockout, cleaning, then heat treatment, annealed successively, normalizing and tempering.
(4) the backplate module after heat treatment is detected, become finished product after qualified.
The processing step of said moulding by casting is:
(1) wire netting 2 is placed in Foam Pattern to the position from the outer surface of apperance about 1/3rd;
(2) molybdenum powder is added in the molten steel of ladle and melt;
(3) the molten steel that will melt molybdenum powder injects Foam Pattern, and molten steel and Foam Pattern displacement form arch composite alloy backplate module.
Said heat treated annealing temperature is 870 ± 10 ℃, and temperature retention time 6 h are then cooling with stove; Said heat treated normalizing temperature is 1100 ± 10 ℃, and temperature retention time 4 h are then cooling with stove; Said heat treated temperature is 710 ± 10 ℃, is incubated 5 h, then air cooling.
During use, adopt bolt type fastening, by 10 arch composite alloy backplate module spliced row that run in, be installed on the framework on wheeled vehicle chassis along the longitudinal centre line of vehicle.
embodiment 2
Arch composite alloy backplate module of the present invention, consist of metallic matrix 1 and wire netting 2, and said wire netting 2 is compound in metallic matrix 1, is positioned at from the position of backplate module outer surface 5 about 1/3rd.The fibrous composite interior lining panel 3 that is bonded in the metallic matrix inner surface is composited by refractory fibre and phenolic resins.15 layers of the casing liner that glass fibre phenolic resins compacting forms glass fabrics thick by 0.5mm form, and gross thickness is 8mm, and the width of arch composite alloy backplate is 1006mm, and the arch radian is 160 degree.4 is backplate module inner surface, and 6 is screw, for the backplate module being fixed on to the framework of vehicle chassis.
Chemical composition and the percentage by weight of said metallic matrix 1 are: C 0. 08%, Cr 0.7%, and Mo 0.3%, and Si 0.35%, Mn 0.35%, and V 0.03%, and Cu 0.05%, and Al 0.2%, Ti 0.04%, and Ni 0.25%, and all the other are iron and other inevitable impurity.Chemical composition and the percentage by weight of said wire netting 2 are: C 0.08%, Si 0.15%, Mn 0.2%, W 0.1%, all the other are iron and other inevitable impurity.
The heat treated annealing temperature of arch composite alloy backplate module of the present invention is 900 ± 10 ℃, and temperature retention time 5 h are then cooling with stove; Said heat treated normalizing temperature is 1050 ± 10 ℃, and temperature retention time 3 h are then cooling with stove; Said heat treated temperature is 750 ± 10 ℃, is incubated 4 h, then air cooling.
Arch composite alloy backplate module adopts the technique of FV casting technique and moulding by casting identical with embodiment 1.
During use, adopt bolt type fastening, by 8 arch composite alloy backplate module spliced row that run in, be installed on the framework on wheeled vehicle chassis along the longitudinal centre line of vehicle.
Arch composite alloy backplate module of the present invention, consist of metallic matrix 1 and wire netting 2, and said wire netting 2 is compound in metallic matrix 1, is positioned at from the position of backplate module outer surface 5 about 1/3rd.The fibrous composite interior lining panel 3 that is bonded in the metallic matrix inner surface is composited by glass fibre and phenolic resins.8 layers of the casing liner that glass fibre phenolic resins compacting forms glass fabrics thick by 0.5mm form, and gross thickness is 5mm, and the width of arch composite alloy backplate is 1006mm, and the arch radian is 160 degree.4 is backplate module inner surface, and 6 is screw, for the backplate module being fixed on to the framework of vehicle chassis.
Chemical composition and the percentage by weight of said metallic matrix 1 are: C 0.3%, and Cr 1.2%, and Mo 0.8%, and Si 0.60%, Mn 0.60%, and V 0.07%, and Cu 0.10%, and Al 0.35%, Ti 0.08%, and Ni 0.85%, and all the other are iron and other inevitable impurity.Chemical composition and the percentage by weight of said wire netting 2 are: C 0.15%, Si 0.30%, Mn 0.35%, W 0.4%, all the other are iron and other inevitable impurity.
The heat treated annealing temperature of arch composite alloy backplate module of the present invention is 950 ± 10 ℃, and temperature retention time 4 h are then cooling with stove; Said heat treated normalizing temperature is 1100 ± 10 ℃, and temperature retention time 2 h are then cooling with stove; Said heat treated temperature is 780 ± 10 ℃, is incubated 3 h, then air cooling.
During use, adopt bolt type fastening, by 12 arch composite alloy backplate module spliced row that run in, be installed on the framework on wheeled vehicle chassis along the longitudinal centre line of vehicle.
Arch composite alloy backplate module adopts the technique of FV casting technique and moulding by casting identical with embodiment 1.
Claims (12)
1. an arch composite alloy backplate module, is characterized in that said composite alloy backplate module is arch, mainly metallic matrix (1) and wire netting (2), consists of, and said wire netting (2) is compound in metallic matrix (1).
2. arch composite alloy backplate module as claimed in claim 1, is characterized in that said wire netting (2) is positioned at metallic matrix (1), from the position of backplate module outer surface (5) about 1/3rd.
3. the arch composite alloy backplate module described in claim 1 or 2, is characterized in that the inner surface of said metallic matrix (1) is bonded with fibrous composite interior lining panel (3).
4. arch composite alloy backplate module as described in claim 3, is characterized in that said fibrous composite interior lining panel (3) is composited by glass fibre and phenolic resins.
5. the arch composite alloy backplate module described in claim 1 or 2, is characterized in that the longitudinal centre line of said arch composite alloy backplate module along vehicle, is arranged on the framework on wheeled vehicle chassis, and its quantity is n, wherein 1≤n≤20.
6. the arch composite alloy backplate module described in claim 1 or 2, the chemical composition and the percentage by weight that it is characterized in that said metallic matrix (1) are: C 0.06 – 0.35%, and Cr 0.5-1.3%, Mo 0.25 – 0.9%, Si 0.20-0.65%, Mn 0.2-0.65%, and V 0.02-0.08%, and Cu 0.04-0.10%, Al 0.10-0.35%, Ti 0.03 – 0.08%, Ni 0.25 – 0.85%, all the other are iron and other inevitable impurity.
7. arch composite alloy backplate module as described in claim 3, the chemical composition and the percentage by weight that it is characterized in that said metallic matrix are: C 0. 25%, Cr 0.93%, and Mo 0.5%, Si 0.45%, Mn 0.45%, and V 0.05%, and Cu 0.07%, Al 0.22%, Ti 0.05%, and Ni 0.55%, and all the other are iron and other inevitable impurity.
8. the arch composite alloy backplate module described in claim 1 or 2, the chemical composition and the percentage by weight that it is characterized in that said wire netting are: C 0.08-0.16%, Si 0.15-0.3%, Mn 0.2-0.35%, W 0.1-0.4%, all the other are iron and other inevitable impurity.
9. arch composite alloy backplate module as described in claim 8, it is characterized in that the chemical composition of said wire netting and percentage by weight are: C 0.12%, Si 0.22%, Mn 0.28%, W 0.25%, all the other are iron and other inevitable impurity.
10. the production technology of arch composite alloy backplate module, is characterized in that, said arch composite alloy backplate module adopts the FV casting technique to complete, and its processing step is:
(1) make full mold, with the foaming of polystyrene foam bead, form the backplate apperance;
(2) the apperance of backplate module is coated to fireproof coating, after drying, put into the vacuum sandbox, vacuumize, then moulding by casting;
(3) the arch composite alloy backplate module of moulding by casting is heat-treated, annealed successively, normalizing and tempering.
11. the production technology as said arch composite alloy backplate module in claim 10, is characterized in that, the processing step of said moulding by casting is:
(1) wire netting is placed in Foam Pattern, from the position of the outer surface of apperance about 1/3rd;
(2) molybdenum powder is added in the molten steel of ladle and melt;
(3) the molten steel that will melt molybdenum powder injects Foam Pattern, and molten steel and Foam Pattern displacement form arch composite alloy backplate module.
12. as the production technology of said arch composite alloy backplate module in claim 10, it is characterized in that said heat treated annealing temperature is 1000 ℃ of 850 –, temperature retention time 3-6 h, then cooling with stove; Said heat treated normalizing temperature is 1000-1100 ℃, temperature retention time, and 2-4 h, then air-cooled; Said heat treated temperature is 700-800 ℃, during insulation, and 3-5 h, then air cooling.
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| CN109751920A (en) * | 2019-01-25 | 2019-05-14 | 中国科学院合肥物质科学研究院 | A kind of movable type relates to the entity defendance barrier system of nuclear device haulage vehicle |
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Application publication date: 20131225 |