CN105398123A - Sandwich buffer plate based on aluminum-based composite foam material - Google Patents
Sandwich buffer plate based on aluminum-based composite foam material Download PDFInfo
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- CN105398123A CN105398123A CN201510795818.1A CN201510795818A CN105398123A CN 105398123 A CN105398123 A CN 105398123A CN 201510795818 A CN201510795818 A CN 201510795818A CN 105398123 A CN105398123 A CN 105398123A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/04—Inorganic
- B32B2266/045—Metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/72—Density
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Abstract
The invention provides a sandwich buffer plate based on an aluminum-based composite foam material, relates to a sandwich buffer plate and aims to solve the problems of lower bearing capacity and lower energy absorption capacity of a common foamed aluminum sandwich plate. The sandwich buffer plate based on the aluminum-based composite foam material comprises a front panel, a core layer and a back panel, wherein the front panel is 0.8 mm thick, the core layer is 5-20 mm thick, the back panel is 0.8 mm thick, and the core layer is made of the aluminum-based composite foam material with the pore diameter of 80-150 mu m. The yield strength of the aluminum-based composite foam material ranges from 40 MPa to 120 MPa and can be designed and adjusted through changes of matrix attributes and sizes of internal hollow microspheres, and the aluminum-based composite foam material has the advantages of high compressive bearing capacity, high energy absorption capacity, light weight, low density and the like. The invention belongs to the field of preparation of the sandwich buffer plate.
Description
Technical field
The present invention relates to a kind of interlayer buffer board.
Background technology
The effect of lightweight energy-absorbing material opposing Blast Load to structure is one of the hot research problem in current protection works field.Foamed aluminium is a kind of porous metal material of artificial preparation, has low-density, lightweight, high specific strength, high specific stiffness and good cushion energy absorbing property, is the new structure and functional material that received much concern in the last few years.Foam metal material demonstrates good moulding large deformation ability under the load actions such as blast, high-speed impact, effectively can absorb the energy that blast impulse produces.Because self bearing capacity of regular-type foam aluminium is lower, can not use as bearing structure separately, many Sandwich Plates that foamed aluminium and steel plate are sandwiched in engineering.
The feature that quality is light although regular-type foam aluminium has, shock resistance is strong, but the resistivity of regular-type foam aluminium to load such as pulling force, pressure, moment of flexure, moments of torsion is poor, easy generation fracture and destroying, the bearing capacity being prepared into aluminum alloy foam sandwich Sandwich Plates is lower, energy-absorbing effect is also comparatively limited.Regular-type foam aluminium yield strength is general not higher than 10MPa.
Summary of the invention
The object of the invention is, in order to solve regular-type foam aluminium sandwich sandwich plate bearing capacity and the lower shortcoming of energy absorption ability, to provide a kind of sandwich interlayer buffer board based on aluminum-base composite foamed material.
Sandwich interlayer buffer board based on aluminum-base composite foamed material is made up of front panel, sandwich layer and rear board, described front panel thickness is 0.8mm, core layer thickness is 5-20mm, rear board thickness is 0.8mm, described core material is aluminum-base composite foamed material, and the aperture of described aluminum-base composite foamed material is 80 μm-150 μm.
The model of described aluminum-base composite foamed material is 1199Al, and the material of described front panel and rear board is Q235 level steel plate.
Aluminum-base composite foamed material yield strength of the present invention is between 40 ~ 120MPa, its yield strength is by changing matrix attribute, boring Microsphere Size and designed, designed regulates, have that resistance to compression bearing capacity is high, energy absorption performance good, the advantage such as lightweight and low-density, be more suitable for the Service Environment of the effects of high strain-rate load such as blast, thump.Aluminum-base composite foamed material is prepared into aluminum-base composite foam sandwich Sandwich Plates, will the energy-absorbing effect being several times as much as regular-type foam aluminium sandwich Sandwich Plates be obtained.
Accompanying drawing explanation
Fig. 1 is the photo of the sandwich interlayer buffer board based on aluminum-base composite foamed material of test specimen numbering SP-1 in experiment one;
Fig. 2 is the principle schematic of one-stage light-gas gun experiment in experiment one, and in figure, 1 represents plenum chamber, and 2 represent foamed aluminium bullet, and 3 represent transmitting tube, and 4 represent target chamber, and 5 represent target holder, and 6 represent high-speed camera;
Fig. 3 is the top view of the distortion side view of sandwich interlayer buffer board based on aluminum-base composite foamed material of numbering SP-1 in experiment one, the top view of distortion of front faceplate and rear board distortion, in figure, a represents distortion side view, b represents the top view of distortion of front faceplate, and c represents the top view that rear board is out of shape;
Fig. 4 is the top view of the distortion side view of sandwich interlayer buffer board based on aluminum-base composite foamed material of numbering SP-2 in experiment one, the top view of distortion of front faceplate and rear board distortion, in figure, a represents distortion side view, b represents the top view of distortion of front faceplate, and c represents the top view that rear board is out of shape;
Fig. 5 is the top view of the distortion side view of sandwich interlayer buffer board based on aluminum-base composite foamed material of numbering SP-3 in experiment one, the top view of distortion of front faceplate and rear board distortion, in figure, a represents distortion side view, b represents the top view of distortion of front faceplate, and c represents the top view that rear board is out of shape;
Fig. 6 is the top view of the distortion side view of sandwich interlayer buffer board based on aluminum-base composite foamed material of numbering SP-4 in experiment one, the top view of distortion of front faceplate and rear board distortion, in figure, a represents distortion side view, b represents the top view of distortion of front faceplate, and c represents the top view that rear board is out of shape;
Fig. 7 is the top view of the distortion side view of sandwich interlayer buffer board based on aluminum-base composite foamed material of numbering SP-5 in experiment one, the top view of distortion of front faceplate and rear board distortion, in figure, a represents distortion side view, b represents the top view of distortion of front faceplate, and c represents the top view that rear board is out of shape;
Fig. 8 is the top view of the distortion side view of sandwich interlayer buffer board of numbering ST in experiment one, the top view of distortion of front faceplate and rear board distortion, and in figure, a represents distortion side view, and b represents the top view of distortion of front faceplate, and c represents the top view that rear board is out of shape.
Detailed description of the invention
Technical solution of the present invention is not limited to following cited detailed description of the invention, also comprises any combination between each detailed description of the invention.
Detailed description of the invention one: present embodiment is made up of front panel, sandwich layer and rear board based on the sandwich interlayer buffer board of aluminum-base composite foamed material, described front panel thickness is 0.8mm, core layer thickness is 5-20mm, rear board thickness is 0.8mm, described core material is aluminum-base composite foamed material, and the aperture of described aluminum-base composite foamed material is 80 μm-150 μm.
Detailed description of the invention two: present embodiment and detailed description of the invention one are 1199Al unlike the model of described aluminum-base composite foamed material, and the material of described front panel and rear board is Q235 level steel plate.Other is identical with detailed description of the invention one.
Detailed description of the invention three: one of present embodiment and detailed description of the invention one or two are 10mm unlike described core layer thickness.Other is identical with one of detailed description of the invention one or two.
Detailed description of the invention four: one of present embodiment and detailed description of the invention one to three are 15mm unlike described core layer thickness.Other is identical with one of detailed description of the invention one to three.
Detailed description of the invention five: one of present embodiment and detailed description of the invention one to four are 20mm unlike described core layer thickness.Other is identical with one of detailed description of the invention one to four.
Detailed description of the invention six: one of present embodiment and detailed description of the invention one to five are 90 μm unlike the aperture of described aluminum-base composite foamed material.Other is identical with one of detailed description of the invention one to five.
Detailed description of the invention seven: one of present embodiment and detailed description of the invention one to six are 100 μm unlike the aperture of described aluminum-base composite foamed material.Other is identical with one of detailed description of the invention one to six.
Detailed description of the invention eight: one of present embodiment and detailed description of the invention one to seven are 110 μm unlike the aperture of described aluminum-base composite foamed material.Other is identical with one of detailed description of the invention one to seven.
Detailed description of the invention nine: one of present embodiment and detailed description of the invention one to eight are 120 μm unlike the aperture of described aluminum-base composite foamed material.Other is identical with one of detailed description of the invention one to eight.
Detailed description of the invention ten: one of present embodiment and detailed description of the invention one to nine are 130 μm-140 μm unlike the aperture of described aluminum-base composite foamed material.Other is identical with one of detailed description of the invention one to nine.
Adopt following experimental verification effect of the present invention:
Experiment one:
The sandwich interlayer buffer board based on aluminum-base composite foamed material of test specimen numbering SP-1 is made up of front panel, sandwich layer and rear board, described front panel thickness is 0.8mm, core layer thickness is 5mm, rear board thickness is 0.8mm, described core material is 1199Al, and the aperture of described 1199Al is 150 μm.
The sandwich interlayer buffer board based on aluminum-base composite foamed material of test specimen numbering SP-2 is made up of front panel, sandwich layer and rear board, described front panel thickness is 0.8mm, core layer thickness is 10mm, rear board thickness is 0.8mm, described core material is 1199Al, and the aperture of described 1199Al is 150 μm.
The sandwich interlayer buffer board based on aluminum-base composite foamed material of test specimen numbering SP-3 is made up of front panel, sandwich layer and rear board, described front panel thickness is 0.8mm, core layer thickness is 20mm, rear board thickness is 0.8mm, described core material is 1199Al, and the aperture of described 1199Al is 150 μm.
The sandwich interlayer buffer board based on aluminum-base composite foamed material of test specimen numbering SP-4 is made up of front panel, sandwich layer and rear board, described front panel thickness is 0.8mm, core layer thickness is 10mm, rear board thickness is 0.8mm, described core material is 1199Al, and the aperture of described 1199Al is 80 μm.
The sandwich interlayer buffer board based on aluminum-base composite foamed material of test specimen numbering SP-5 is made up of front panel, sandwich layer and rear board, described front panel thickness is 0.8mm, core layer thickness is 15mm, rear board thickness is 0.8mm, described core material is foamed aluminium, and the aperture of described foamed aluminium is 150 μm.
The sandwich interlayer buffer board of test specimen numbering ST is made up of front panel, sandwich layer and rear board, and described front panel thickness is 2.5mm, and core layer thickness is 2.5mm, and rear board thickness is 2.5mm, and described front panel, sandwich layer and rear panel material are steel plate.
Sandwich interlayer buffer board test specimen in this experiment being numbered SP-1, SP-2, SP-3, SP-4, SP-5, ST carries out high-speed impact experiment.
Experiment completes at center, Harbin Institute of Technology's space junk high-speed impact laboratory, and impact load is obtained by one-level high-pressure air gun high-speed driving foamed aluminium bullet, thus simulates the rectangular pulse load of similar detonation.Through measuring its initial velocity by laser velocimeter after pipeline gone out by the foamed aluminium bullet of high-speed motion, foamed aluminium bullet pours target chamber target assault target sandwich plate subsequently, the dynamic deformation failure procedure of sandwich plate carries out record by high-speed camera, and one-stage light-gas gun experimental provision and principle are as shown in Figure 2.
In high-speed impact experiment, provided by Beijing gold Albert foam metal Co., Ltd for the foamed aluminium bullet applying impulsive load, foam bullet length is 60mm, diameter is 40mm, and quality is 64g, and elastic modelling quantity is 0.427, Poisson's ratio is 0.24, and density is 842kg/m
3, yield strength 5.8MPa, ballistic projections speed is 150m/s.The parameter of sandwich plate and main material is as shown in table 1, and wherein, the rectangular slab of to be sectional dimension the be 200 × 200mm of the sandwich interlayer buffer board based on aluminum-base composite foamed material, front panel and rear panel material are Q235 level steel plate, and steel plate thickness is expressed as t
f, t
b, sandwich layer foam metal thickness is expressed as t
c, panel and sandwich layer are bonded together cooperation by seccotine, and experimental data is as following table:
Table 1
After high-speed impact experiment, high-speed motion picture camera photographs sandwich plate test specimen and is finally out of shape the top view of side view and front and back panels distortion as shown in Fig. 3-Fig. 7.Can find out, under the effect of foamed aluminium bullet high-speed impact, sandwich plate center there occurs obvious depressed deformation, bulk deformation is vaulted, and the principal character of test piece deformation and inefficacy is as follows: (1) sandwich layer is the test specimen of aluminum-base composite foamed material, along with the increase of core layer thickness, header board local dent degree weakens gradually, crater depth and scope reduce gradually, and illustrating that core layer thickness increases can effective apparatus with shock absorbing, the depressed deformation of reduction Sandwich Plates; (2) have identical front and back panels thickness and the identical aluminum-base composite foam layer plate test specimen of core layer thickness, when core material yield strength is different, the impact resistance of the higher sandwich plate of sandwich layer aluminum-base composite foamy body is larger; (3) experimental result shows, the sandwich plate shock resistance of aluminum-base composite foamed core is better than regular-type foam aluminium interlayer plate, and regular-type foam aluminium interlayer plate shock resistance is better than solid steel plate.
Sandwich plate front and back panels center maximum deformation value is as shown in table 2:
By can obtain the deformation of Sandwich Plates front and rear panel to the measurement of the sandwich plate central concave degree of depth.Table 2 is each panel deformation value measured result of sandwich plate test specimen.Sandwich layer is the sandwich plate of aluminum-base composite foamed material, and along with the increase of core layer thickness, test specimen bulk deformation reduces.Wherein, be test specimen SP-1 and SP-2 of material of the same race for sandwich layer, plate distortion thereafter is all greater than header board distortion, sandwich plate header board depression is described simultaneously, also there occurs flexural deformation to a certain degree; Identical for core layer thickness, test specimen SP-2 and SP-4 that sandwich layer material is different, because SP-4 core material compression yield strength is higher, its forward and backward plate deformation values is all less than SP-2, illustrates that the energy-absorbing effect of sandwich plate is better; The distortion of solid steel plate test specimen ST, much larger than other test specimens, illustrates that sandwich plate is compared solid steel plate and had more excellent shock resistance energy absorption ability.
Table 2
To sum up, under foamed aluminium bullet high-speed impact, aluminum-base composite foam sandwich sandwich plate is compared with regular-type foam aluminium interlayer plate, its central point deflection value has had and has significantly declined, demonstrate this kind of structure and have good barrier propterty, protection energy-absorbing function can be played as a kind of novel structural elements.
Claims (10)
1. based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that the sandwich interlayer buffer board based on aluminum-base composite foamed material is made up of front panel, sandwich layer and rear board, described front panel thickness is 0.8mm, core layer thickness is 5-20mm, rear board thickness is 0.8mm, described core material is aluminum-base composite foamed material, and the aperture of described aluminum-base composite foamed material is 80 μm-150 μm.
2. according to claim 1 based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that the model of described aluminum-base composite foamed material is 1199Al, the material of described front panel and rear board is Q235 level steel plate.
3. according to claim 1 or 2 based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that described core layer thickness is 10mm.
4. according to claim 1 or 2 based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that described core layer thickness is 15mm.
5. according to claim 1 or 2 based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that described core layer thickness is 20mm.
6. according to claim 1 or 2 based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that the aperture of described aluminum-base composite foamed material is 90 μm.
7. according to claim 1 or 2 based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that the aperture of described aluminum-base composite foamed material is 100 μm.
8. according to claim 1 or 2 based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that the aperture of described aluminum-base composite foamed material is 110 μm.
9. according to claim 1 or 2 based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that the aperture of described aluminum-base composite foamed material is 120 μm.
10. according to claim 1 or 2 based on the sandwich interlayer buffer board of aluminum-base composite foamed material, it is characterized in that the aperture of described aluminum-base composite foamed material is 130 μm-140 μm.
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| CN201510795818.1A CN105398123A (en) | 2015-11-18 | 2015-11-18 | Sandwich buffer plate based on aluminum-based composite foam material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478093A (en) * | 2017-08-01 | 2017-12-15 | 西安交通大学 | One kind is based on gradient foam aluminium customization impulse load pilot system and method |
| CN107604189A (en) * | 2017-09-29 | 2018-01-19 | 重庆理工大学 | A kind of foam aluminum sandwich and its Semi-Solid Thixoforming Seepage Foundry method |
| CN108429270A (en) * | 2018-05-18 | 2018-08-21 | 江苏伊莱尔电力科技有限公司 | A kind of Active Power Filter-APF damping |
| CN113008501A (en) * | 2021-03-04 | 2021-06-22 | 北京理工大学 | Device and method for testing impact mechanical property of elastomer |
| CN113442525A (en) * | 2021-07-09 | 2021-09-28 | 南通高欣耐磨科技股份有限公司 | Cellular impact-resistant wear-resistant plate and manufacturing method thereof |
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| CN101733982A (en) * | 2009-12-18 | 2010-06-16 | 吉林大学 | Foam aluminum base composite material laminated plate and preparation method thereof |
| CN102700488A (en) * | 2012-06-12 | 2012-10-03 | 湖南大学 | Buffering energy-absorbing structure |
| CN103954416A (en) * | 2014-04-29 | 2014-07-30 | 北京交通大学 | Analysis method for deflection of foam core structure after being impacted |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733982A (en) * | 2009-12-18 | 2010-06-16 | 吉林大学 | Foam aluminum base composite material laminated plate and preparation method thereof |
| CN102700488A (en) * | 2012-06-12 | 2012-10-03 | 湖南大学 | Buffering energy-absorbing structure |
| CN103954416A (en) * | 2014-04-29 | 2014-07-30 | 北京交通大学 | Analysis method for deflection of foam core structure after being impacted |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478093A (en) * | 2017-08-01 | 2017-12-15 | 西安交通大学 | One kind is based on gradient foam aluminium customization impulse load pilot system and method |
| CN107604189A (en) * | 2017-09-29 | 2018-01-19 | 重庆理工大学 | A kind of foam aluminum sandwich and its Semi-Solid Thixoforming Seepage Foundry method |
| CN108429270A (en) * | 2018-05-18 | 2018-08-21 | 江苏伊莱尔电力科技有限公司 | A kind of Active Power Filter-APF damping |
| CN113008501A (en) * | 2021-03-04 | 2021-06-22 | 北京理工大学 | Device and method for testing impact mechanical property of elastomer |
| CN113442525A (en) * | 2021-07-09 | 2021-09-28 | 南通高欣耐磨科技股份有限公司 | Cellular impact-resistant wear-resistant plate and manufacturing method thereof |
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Application publication date: 20160316 |