CN113733687A - Manufacturing method of high-strength honeycomb composite board - Google Patents
Manufacturing method of high-strength honeycomb composite board Download PDFInfo
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- CN113733687A CN113733687A CN202111049713.3A CN202111049713A CN113733687A CN 113733687 A CN113733687 A CN 113733687A CN 202111049713 A CN202111049713 A CN 202111049713A CN 113733687 A CN113733687 A CN 113733687A
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- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 51
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 50
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000005096 rolling process Methods 0.000 claims abstract description 49
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 41
- 239000010935 stainless steel Substances 0.000 claims abstract description 37
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 35
- 229910021364 Al-Si alloy Inorganic materials 0.000 claims abstract description 24
- 238000005219 brazing Methods 0.000 claims abstract description 19
- 238000005498 polishing Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 7
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000676 Si alloy Inorganic materials 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002411 adverse Effects 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims description 2
- 229910018125 Al-Si Inorganic materials 0.000 claims 2
- 229910018520 Al—Si Inorganic materials 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000010923 batch production Methods 0.000 description 3
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000219000 Populus Species 0.000 description 1
- 241000124033 Salix Species 0.000 description 1
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Classifications
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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
- B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- 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
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- 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
- B32B2607/00—Walls, panels
- B32B2607/02—Wall papers, wall coverings
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
The invention relates to a method for manufacturing a high-strength honeycomb composite board, which comprises the following steps: 1) before welding the aluminum alloy panel and the stainless steel honeycomb, polishing the stainless steel honeycomb by using abrasive paper; 2) rolling the solid Al-Si alloy slice and the aluminum plate into a whole by adopting a rolling method to form an aluminum alloy panel, wherein the two sides of the aluminum plate parallel to the rolling direction are restrained during rolling to ensure that the aluminum plate and the aluminum plate can be combined, and the thickness of the Al-Si alloy layer in the final finished aluminum alloy panel reaches 90-110 mu m; controlling the rolling temperature in the rolling process, wherein the rolling temperature cannot reach the softening temperature of the aluminum alloy; 3) assembling the rolled aluminum alloy panel and the stainless steel honeycomb core according to the mode of an upper panel, the stainless steel honeycomb core and a lower panel, and then performing brazing welding; 4) and after welding is completed, obtaining the honeycomb composite board. The composite board obtained by the manufacturing method has higher mechanical strength, good corrosion resistance and high strength, and the core structure can be used for a longer time and is mainly used for building outer wall decoration and the like.
Description
Technical Field
The invention relates to the technical field of honeycomb plate processing, in particular to a manufacturing method of a high-strength honeycomb composite plate.
Background
The basic structure of the honeycomb plate is formed by combining panels made of different materials with the upper surface and the lower surface of a honeycomb core through different methods. The existing aluminum honeycomb plate and stainless steel honeycomb plate are mainly different in upper and lower panels, and the honeycomb core is mainly made of an aluminum honeycomb core. And the connection in the honeycomb core is mainly formed by high-strength glue, and a welding method is partially adopted. The upper and lower panels are connected with the honeycomb core by high-strength glue. The bonded structure has limited strength, is not suitable for high-strength use, and causes certain pollution to the environment. The gluing mode is not suitable for the use of the honeycomb plate at high temperature, the problems of glue failure, separation and the like of the honeycomb plate at high temperature are easy to occur, the bearing strength of the composite plate obtained by the mode is low, and the gluing mode is not suitable for the working condition with certain requirements on the bearing strength of a workpiece. The honeycomb plate described in the poplar and willow is formed by combining through an adhesive, the combination mode is not suitable for the use of the honeycomb plate at high temperature, and the problems of glue failure, separation and the like of the honeycomb plate at high temperature are easy to occur; in addition, the method has lower bearing strength and is not suitable for the working condition with certain requirement on the bearing strength of the workpiece. The aluminum stainless steel brazing of the Yi-Xiao-Yan is carried out in a vacuum brazing furnace, and the brazing is not limited to a vacuum environment and only needs to be carried out under the protection of inert gas; in addition, the welding process is simplified, the adding process of brazing filler metal is not needed before welding, the manufacturing conditions of the honeycomb composite board are widened, and the possibility is provided for batch production.
In order to improve the strength limitation caused by the high-strength adhesive and the size limitation of experimental equipment, the invention provides a welding connection method between a honeycomb core and a panel, so that the whole structure has higher strength and the possibility of mass production, and the application range of the structure is widened.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for manufacturing an aluminum and stainless steel honeycomb composite plate with high mechanical strength, good fire resistance, attractive appearance and higher bearing strength. The composite board obtained by the manufacturing method has higher mechanical strength, good corrosion resistance and high strength, and the core structure can be used for a longer time and is mainly used for building outer wall decoration and the like.
In order to achieve the purpose, the invention adopts the technical scheme that:
a manufacturing method of an aluminum and stainless steel honeycomb composite plate comprises the following steps:
1) before welding the aluminum alloy panel and the stainless steel honeycomb, 400# abrasive paper is used for polishing the stainless steel honeycomb, and an oxide film on the surface is removed to ensure the welding quality.
2) The solid Al-Si alloy sheet and the aluminum plate are rolled into a whole by adopting a rolling method to form the aluminum alloy panel, the two sides of the aluminum plate are restrained during rolling to ensure that the aluminum plate and the aluminum plate can be combined, and the thickness of an alloy foil layer of a final finished product is required to be ensured to reach 90-110 mu m during rolling, so that the better effect is ensured for the next welding. The rolling temperature is controlled in the rolling process, and the rolling temperature cannot reach the softening temperature of the aluminum alloy panel, otherwise, the control of the finished product is difficult in the rolling process. The cold rolling can be carried out at room temperature, and the aluminum alloy panel cannot be too soft in the hot rolling, so the hot rolling temperature is controlled below the softening temperature of the aluminum alloy panel so that the aluminum alloy panel can bear larger pressure.
3) And assembling the rolled aluminum alloy panel and the stainless steel honeycomb core according to the mode of the upper panel, the stainless steel honeycomb core and the lower panel. The welding is carried out in a closed container, inert gas is adopted for protection before welding, and a heating table is heated to 580-620 ℃ for heat preservation for 5-20 minutes;
4) after the welding process is finished, the input of inert gas can be stopped after the welding process is cooled to the room temperature, so that the welding effect is prevented from being influenced by oxidation.
The aluminum plate is an aluminum alloy plate or a pure aluminum plate, and the Al-Si alloy sheet has the same composition as that of the aluminum-silicon welding material.
The utility model provides an aluminium, stainless steel honeycomb composite sheet, includes top panel, lower panel, the honeycomb core between the top and lower panel, its characterized in that top panel and lower panel be the aluminum alloy panel, the honeycomb core is stainless steel.
Or brazing by adopting an induction brazing mode after the step 2), assembling the rolled aluminum alloy panel and the stainless steel honeycomb core in a mode of an upper panel, the stainless steel honeycomb core and a lower panel, wherein the induction brazing mode uses parameters of induction current of 270-300A, induction heating time of 12-60s, and the melting temperature of the Al-Si alloy is 580-620 ℃, so that the Al-Si alloy is directly cooled to room temperature after being melted, and the aluminum-stainless steel honeycomb composite plate is obtained. But the induction brazing connection effect under the same condition is far lower than that under the vacuum environment.
Preferably, the induction current 272 and 280A is applied for 14-18 s.
More preferably, the induced current is 275A, and the induction heating time is 15 s.
The thickness of the Al-Si alloy sheet is 0.05 mm-0.1 mm.
Compared with the prior art, the invention has the beneficial effects that:
the invention simplifies the welding process, and the Al-Si alloy slice and the aluminum plate are compounded to be made into the finished product of the aluminum alloy panel, which can be used at any time and can be separated from the vacuum environment for welding, thereby avoiding the limit of the vacuum environment and widening the preparation process; the preparation of the large size can be carried out according to the required size during the rolling process.
The method simplifies the welding process, does not need the adding process of brazing filler metal before welding, widens the manufacturing conditions of the honeycomb composite board, and provides possibility for batch production.
This application carries out aluminium silicon alloy's rolling on the individual layer aluminum alloy and makes the two reach the interatomic combination, thereby earlier reach the welding requirement with aluminium silicon alloy and aluminum plate rolling together, not only play the connection effect, can also strengthen the connection effect through the mode that adds the alloy element, strengthen the welding action, no longer rely on melting aluminium alone to connect, need not remove again when welding and paint the brazing flux, just also need not prepare aluminium silicon welding flux alone, satisfy the welding demand. A layer of aluminum alloy plate is welded on the basis of the stainless steel honeycomb core, and the aluminum alloy plate is connected on one surface by adopting a brazing welding method. In addition, the welding process is simplified, the aluminum-silicon alloy and the aluminum plate can be rolled together, the process of smearing or placing brazing filler metal is omitted, and a foundation is provided for batch production.
Drawings
Fig. 1 is a schematic structural view of the honeycomb composite panel of the present invention.
Detailed Description
The present invention is further explained with reference to the following examples and drawings, but the scope of the present invention is not limited thereto.
The invention discloses a method for manufacturing a high-strength honeycomb composite board, which mainly comprises an upper panel 1, a lower panel 3 and a honeycomb core 2 between the upper panel and the lower panel, wherein the honeycomb core at the interlayer part is made of stainless steel. The honeycomb layer is formed by a plurality of stainless steel bee lattices in a staggered and adjacent mode, and the side wall capable of surrounding the honeycomb layer extends outwards along the periphery of the surface layer.
Taking the hexagonal wall thickness of 0.1mm and the honeycomb size of 3mm as an example, the grade of the Al-Si alloy used is 4004.
The specific matching mode is selected according to the actual use condition, and then the stainless steel and the aluminum alloy panel are connected by adopting a welding method. The manufacturing method of the honeycomb composite board comprises the following specific processes:
1) before welding, 400# abrasive paper is used for polishing the stainless steel honeycomb, and an oxide film on the surface is removed to ensure the welding quality.
2) The solid Al-Si alloy sheet and the aluminum plate are rolled into a whole by adopting a rolling method to form the aluminum alloy panel, and the two sides of the aluminum plate are restrained during rolling to ensure that the aluminum plate and the aluminum plate can be combined. And the thickness of the alloy foil layer of the final finished product is required to be ensured to reach 90-110 mu m during rolling, so that a better effect is ensured for the next welding.
3) And assembling the rolled aluminum alloy panel and the stainless steel honeycomb core according to the mode of the upper panel, the stainless steel honeycomb core and the lower panel. The external force of about 3MPa is required to be applied to the weldment during assembly, the welding is carried out in a closed container and is protected by inert gas, and the heating table is heated to 580-620 ℃ for heat preservation and is kept for 5-20 minutes. The temperature is controlled during the rolling process, and the softening temperature of the aluminum alloy panel cannot be reached, otherwise, the control of the finished product during the rolling process is difficult.
4) After the welding process is finished, the input of inert gas can be stopped after the welding process is cooled to the room temperature, so that the welding effect is prevented from being influenced by oxidation.
The aluminum alloy panel is formed by a cold rolling method, and an Al-Si alloy is required to be added on an aluminum plate during rolling. The transverse direction of the sample (which means the direction parallel to the rolling direction) is limited during rolling, and the die is prepared according to the size of the aluminum plate to be processed, and the die needs to be limited in the transverse direction of the aluminum plate. In addition, the aluminum plate and the aluminum-silicon alloy are guaranteed to deform along the same direction due to the fact that rolling along the same direction is required during rolling, the aluminum plate and the Al-Si alloy can be combined with each other atomically, tight combination of the aluminum alloy and the aluminum-silicon alloy can be guaranteed, the connection effect is good, and the problems of cracking and the like are not prone to occurring when the aluminum plate and the Al-Si alloy bear loads. In addition, the thickness of the Al-Si alloy after rolling is required to be ensured to be 90-110 mu m during rolling, so that the use amount of welding materials required during welding is ensured.
When external force is applied to the upper part of the aluminum alloy panel above the workpiece, attention needs to be paid to the fact that used foreign matters do not react with the aluminum plate, and therefore the adverse effect on the welding effect caused by diffusion of certain elements in the foreign matters is avoided.
The aluminum and stainless steel honeycomb composite board prepared by the preparation method has higher bearing strength than the aluminum honeycomb composite board under the same size condition and the same reduction, the preparation method is free from the limitation of vacuum, the size of the prepared board is controllable, the application range is wider, and the bearing strength of the preparation method can be obviously improved compared with that of the conventional welding process.
The aluminum and stainless steel composite honeycomb plate manufactured by the invention has higher bearing performance and performance effect than the aluminum honeycomb core under the same use condition.
The composite board of the invention has light weight, good sealing performance, high strength and good firmness, and the honeycomb composite board obtained by the manufacturing method of the invention has better strength-weight ratio (the ratio of the tensile strength of the material to the apparent density of the material is called specific strength) and rigidity-weight ratio (the ratio of the elastic modulus of the material to the apparent density of the material is the rigidity-weight ratio), thereby effectively solving the problem that a single solid material is difficult to completely meet the increasingly higher use requirements of people on various performances such as weight, density, cost, strength, rigidity, surface touch and the like.
Nothing in this specification is said to apply to the prior art.
Claims (10)
1. The manufacturing method of the high-strength honeycomb composite board is characterized by comprising the following steps of:
1) before welding the aluminum alloy panel and the stainless steel honeycomb, polishing the stainless steel honeycomb by using abrasive paper, and removing an oxide film on the surface to ensure the welding quality;
2) rolling the solid Al-Si alloy slice and the aluminum plate into a whole by adopting a rolling method to form an aluminum alloy panel, wherein the two sides of the aluminum plate parallel to the rolling direction are restrained during rolling to ensure that the aluminum plate and the aluminum plate can be combined, and the thickness of the Al-Si alloy layer in the final finished aluminum alloy panel reaches 90-110 mu m; controlling the rolling temperature in the rolling process, wherein the rolling temperature cannot reach the softening temperature of the aluminum alloy;
3) assembling the rolled aluminum alloy panel and the stainless steel honeycomb core according to the mode of an upper panel, the stainless steel honeycomb core and a lower panel, and then carrying out brazing welding, wherein the brazing welding mode is carried out in a closed container, inert gas is adopted for protection before welding, a heating table is used for heating to a temperature of 580-620 ℃ for heat preservation, and the heat preservation is carried out for 5-20 minutes;
4) and after welding is finished, cooling to room temperature, and stopping inputting the inert gas to obtain the honeycomb composite board.
2. The manufacturing method of the high-strength honeycomb composite board is characterized by comprising the following steps of:
1) before welding the aluminum alloy panel and the stainless steel honeycomb, polishing the stainless steel honeycomb by using abrasive paper, and removing an oxide film on the surface to ensure the welding quality;
2) rolling the solid Al-Si alloy slice and the aluminum plate into a whole by adopting a rolling method to form an aluminum alloy panel, wherein the two sides of the aluminum plate parallel to the rolling direction are restrained during rolling to ensure that the aluminum plate and the aluminum plate can be combined, and the thickness of the Al-Si alloy layer in the final finished aluminum alloy panel reaches 90-110 mu m; controlling the rolling temperature in the rolling process, wherein the rolling temperature cannot reach the softening temperature of the aluminum alloy;
3) assembling the rolled aluminum alloy panel and the stainless steel honeycomb core according to the mode of an upper panel, the stainless steel honeycomb core and a lower panel, and then performing brazing welding, wherein the brazing welding mode adopts induction brazing, induction current is 270-300A, induction heating time is 12-60s, and after the melting temperature of Al-Si alloy is reached, the aluminum alloy panel and the stainless steel honeycomb core are directly cooled to room temperature to obtain the aluminum-stainless steel honeycomb composite board.
3. The manufacturing method according to claim 1 or 2, wherein the aluminum alloy panel is formed by a rolling method, and is rolled at room temperature, and an Al-Si alloy is added on an aluminum plate during rolling; the transverse direction of a sample is limited during rolling, a die is prepared according to the size of an aluminum plate to be processed, and the die is limited in the width direction of the aluminum alloy panel; in addition, the aluminum plate and the aluminum-silicon alloy are ensured to deform along the same direction by rolling along the same direction but not rolling along two directions during rolling, and finally the aluminum plate and the Al-Si alloy can achieve interatomic bonding.
4. The method of claim 1 or 2, wherein the Al-Si alloy composition is in accordance with the Al-Si brazing filler metal designation 4004.
5. The manufacturing method of claim 1, wherein the foreign object used when the external force is applied does not react with the aluminum plate during the welding process, so as to avoid the diffusion of some elements in the foreign object from adversely affecting the welding effect.
6. The method of claim 1, wherein the aluminum sheet is an aluminum alloy sheet or a pure aluminum sheet.
7. The method of claim 1, wherein the Al-Si alloy flakes used have the same composition as that of the Al-Si based solder.
8. The method according to claim 1, wherein the thickness of the Al — Si alloy thin sheet is 0.05mm to 0.1 mm.
9. A high-strength honeycomb composite board, which is obtained by the manufacturing method of any one of claims 1 to 8, and comprises an upper panel and a lower panel, wherein a honeycomb core is arranged between the upper panel and the lower panel, the upper panel and the lower panel are aluminum alloy panels, and the honeycomb core is made of stainless steel.
10. A composite board according to claim 9, where the hexagonal wall thickness of the honeycomb core is 0.1mm and the unit honeycomb size is 3 mm.
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| CN202111049713.3A CN113733687A (en) | 2021-09-08 | 2021-09-08 | Manufacturing method of high-strength honeycomb composite board |
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| CN202111049713.3A CN113733687A (en) | 2021-09-08 | 2021-09-08 | Manufacturing method of high-strength honeycomb composite board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309937A (en) * | 2021-12-31 | 2022-04-12 | 北斗启明（北京）节能科技服务有限公司 | Novel welding production method of stainless steel honeycomb core |
| CN116021102A (en) * | 2022-12-13 | 2023-04-28 | 郑州机械研究所有限公司 | Large-thickness high-strength aluminum alloy honeycomb plate and preparation method thereof |
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Application publication date: 20211203 |