CN103862233A - Preparation method of composite plate with corrugated sandwich layer structure - Google Patents
Preparation method of composite plate with corrugated sandwich layer structure Download PDFInfo
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- CN103862233A CN103862233A CN201410048716.9A CN201410048716A CN103862233A CN 103862233 A CN103862233 A CN 103862233A CN 201410048716 A CN201410048716 A CN 201410048716A CN 103862233 A CN103862233 A CN 103862233A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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Abstract
The invention discloses a preparation method of a composite plate with a corrugated sandwich layer structure and belongs to the technical field of metal-plate manufacture. The preparation method comprises the following steps of firstly preparing a corrugated sandwich layer; adding a core rod playing a role in supporting into a hollow part of the corrugated sandwich layer; realizing connection between the corrugated sandwich layer, the upper metal panel and the lower metal panel by explosive welding; after the core rod is taken, obtaining the composite plate with the corrugated sandwich layer. The preparation method disclosed by the invention has the advantages that the metallurgical bonding strength and interface with higher quality than brazing can be obtained, and simultaneously the connection between a sandwich plate made of dissimilar materials and the panels is realized; the preparation speed is fast, the efficiency is high and the preparation cost is low.
Description
Technical field
The present invention relates to a kind of preparation method of laminboard layer composite plate, is specifically a kind of preparation method with ripple layer sandwich structure composite plate, belongs to sheet metal manufacturing technology field.
Background technology
At present, the composite plate with ripple layer sandwich structure has obtained application widely at Aeronautics and Astronautics engineering field, to the overall structure performance improving Aeronautics and Astronautics device, reduces weight and improves the aspects such as heat-proof quality and brought into play important function.
The composite plate that existing manufacture has ripple layer sandwich structure mainly adopts superplasticforming/diffusion welding method and brazing, and it has the following disadvantages: (1), shape are single.The method only can directly be prepared the composite plate with trapezoidal ripple sandwich structure, cannot be used for the preparation with radian shape, baroque ripple layer sandwich structure composite plate.(2), composite surface is of low quality, the especially region of diffusion welding (DW), in superplasticforming process, panel and ripple laminboard layer, being connected with not to be connected the pulling force that intersection receives larger, very easily produce groove phenomenon.(3), the method is only applicable to the situation that ripple laminboard layer is identical with panel material, cannot be applicable to the connection for foreign material between ripple laminboard layer and panel.(4), bond strength is not high.Utilize method for welding that ripple laminboard layer is connected with upper and lower panel, because soldered fitting intensity is far below mother metal, in the time of high temperature, mechanical property does not reach the instructions for use in Aeronautics and Astronautics field.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned defect, provides a kind of and can prepare that bond strength between various shape, panel and central layer is high, step is simple efficient and can be applicable to the preparation method with ripple layer sandwich structure composite plate with/foreign material.
In order to solve the problems of the technologies described above, the preparation method with ripple layer sandwich structure composite plate provided by the invention, comprises the following steps:
1), prepare ripple laminboard layer;
2), add passive plug to the hollow parts of ripple laminboard layer;
3), realize being connected between ripple laminboard layer and upper and lower metal decking by explosive welding;
4), take out after plug, obtain having ripple sandwich structure composite plate.
In the present invention, the preparation process of described ripple laminboard layer is:
1), be processed into stainless steel there is square wave, the die of trapezoidal wave, triangular wave or sine waveform;
2), titanium alloy plate is laid on die, then by be embossed on titanium alloy plate;
3), the mould assembling is put into heating furnace, patrix is carried out to machinery pressurization, guarantee sealing, and by mold heated to titanium alloy superplastic forming temperature, pass into argon gas by the air inlet of patrix simultaneously, titanium alloy plate material is carried out to superplasticforming, obtain titanium alloy ripple laminboard layer after cooling.
In the present invention, the preparation process of described ripple laminboard layer is:
1), be processed into stainless steel there is square wave, the die of trapezoidal wave, triangular wave or sine waveform;
2), flat aluminium alloy plate is laid on die, then by be embossed on flat aluminium alloy plate;
3), the mould assembling is put into heating furnace, patrix is carried out to machinery pressurization, and by mold heated to superplastic aluminum alloy forming temperature, pass into argon gas by the air inlet of patrix simultaneously, aluminium horizontal sheet material is carried out to superplasticforming, obtain aluminium alloy ripple laminboard layer after cooling.
In the present invention, described step 2) be:
1), preparation and die have the core rod mould of same wave line shape;
2), in core rod mould, pour into a mould low-melting alloy, the cooling rear hollow parts that packs ripple laminboard layer as plug into.
In the present invention, described step 2) be: the two ends of ripple laminboard layer hollow parts are carried out after soldering and sealing, inject low-melting alloy to the hollow parts of ripple laminboard layer, after cooling as supporting plug.
In the present invention, in described step 2) be: machining goes out the hollow parts that inserts ripple laminboard layer after the carbon steel plug identical with ripple laminboard layer bellows-shaped.
In the present invention, described step 3) in blast process be:
1), the connecting portion between ripple laminboard layer and upper and lower panel is spread emulsion;
2), ripple laminboard layer is clipped between upper and lower panel to ignition charge realization welding.
In the present invention, described upper and lower panel is titanium alloy sheet or aluminium alloy plate.
In the present invention, described ripple laminboard layer, top panel and lower panel are same material or foreign material.
Beneficial effect of the present invention: the present invention has the following advantages: (1), the present invention utilize that blast is compound to be realized being connected of sandwich layer and panel, can obtain than the higher-quality metallurgical binding intensity of soldering and interface, realize being connected between foreign material central layer and panel simultaneously; (2), the present invention utilizes super plastic forming method to be shaped separately to laminboard layer, the ripple laminboard layer of the complicated shape that can be shaped reduces springback capacity simultaneously, ensures the precision being shaped; (3), compared with the method for attachment such as soldering and diffusion, the present invention prepares that speed is fast, efficiency is high, preparation cost is low.
Brief description of the drawings
Fig. 1 is preparation method's flow chart that the present invention has ripple layer sandwich structure composite plate;
Fig. 2 is ripple laminboard layer die structure dwg;
Fig. 3 is ripple laminboard layer mold sections figure;
Fig. 4 is the mould schematic diagram after assembling;
Fig. 5 is the ripple laminboard layer schematic diagram after being shaped;
Fig. 6 is mandrel form schematic diagram;
Fig. 7 is explosive welding schematic diagram;
Fig. 8 is the composite layered plate with ripple sandwich structure;
In figure, 1-die, 2-patrix, 3-air inlet, 4-metallic plate, 5-top panel, 6-lower panel, 7-plug, 8-explosive welding position.
Detailed description of the invention
The preparation method who the present invention is had to ripple layer sandwich structure composite plate below in conjunction with the drawings and specific embodiments is described further.
embodiment 1
The first step, is of a size of the die 1 of 260mm × 260mm × 40mm with 321 stainless steels (1Cr8Ni9Ti) machining profile, be sinusoidal wave on die 1, and sinusoidal wave wavelength is 60mm, and wave amplitude is 30mm, for the manufacture of ripple laminboard layer, as shown in Figure 2,3;
Second step, is laid in the TC4 titanium alloy plate 4 that is of a size of 260mm × 260mm × 1.5mm on die 1, then patrix 2 is pressed on TC4 titanium alloy plate 4, as shown in Figure 4;
The 3rd step, puts into heating furnace by the mould assembling, and patrix 2 is carried out to machinery pressurization, to ensure sealing; Simultaneously by mold heated to 900-920 DEG C, pass into argon gas by the air inlet 3 of patrix 2 simultaneously, TC4 titanium alloy plate 4 is carried out to superplasticforming, cooling rear taking-up obtains TC4 titanium alloy ripple laminboard layer, as shown in Figure 4,5;
The 4th step, manufacture and die 1 have the core rod mould of identical bellows-shaped, and pour into a mould low-melting alloy in core rod mould, after it is cooling, take out low-melting alloy plug 7, and packed into the hollow position of TC4 titanium alloy ripple laminboard layer, plug 7 plays a supportive role in the time of explosive welding, as shown in Figure 6;
The 5th step, the explosive welding position 8(between TC4 titanium alloy ripple laminboard layer and upper TC4 titanium alloy panel 5, lower TC4 titanium alloy panel 6 is while being clipped in the middle of upper and lower panel and upper and lower panel contact site of TC4 titanium alloy ripple laminboard layer) spread emulsion; Then be clipped between upper and lower TC4 titanium alloy panel, electricity consumption cap sensitive explosive is realized the welding between upper and lower TC4 titanium alloy panel and TC4 titanium alloy ripple laminboard layer, as shown in Figure 7;
The 6th step, puts into water by composite plate after blast, and be heated to the rear low-melting alloy plug of water boiling and can melt from composite plate and flow out, the final composite plate with ripple sandwich structure that obtains, as shown in Figure 8.
embodiment 2
The first step, is of a size of the die of 260mm × 260mm × 40mm with 321 stainless steels (1Cr8Ni9Ti) machining profile, die 1 is trapezoidal wave, and the wavelength of trapezoidal wave is 60mm, and wave amplitude is 30mm, for the manufacture of ripple laminboard layer;
Second step, 5083 flat aluminium alloy plates that will be of a size of 260mm × 260mm × 2.5mm are laid on die, then by be embossed on 5083 flat aluminium alloy plates;
The 3rd step, puts into heating furnace by the mould assembling, and patrix is carried out to machinery pressurization, to ensure sealing; Simultaneously by mold heated to 500-535 DEG C, pass into argon gas by the air inlet of patrix simultaneously, 5083 flat aluminium alloy plates are carried out to superplasticforming, cooling rear taking-up obtains 5083 aluminium alloy ripple laminboard layers;
The 4th step, soldering and sealing is carried out in the two ends of 5083 aluminium alloy ripple laminboard layer hollow parts after being shaped, directly inject low-melting alloy to the hollow parts of 5083 aluminium alloy ripple laminboard layers afterwards, after cooling the soldering and sealing at two ends is cut off, form low-melting alloy plug, plug plays a supportive role in the time of explosive welding;
The 5th step, 5083 aluminium alloy ripple laminboard layers and on explosive welding position (when 5083 aluminium alloy ripple laminboard layers are clipped in upper and lower panel centre and upper and lower panel contact site) between 5083 aluminium alloy panel, lower 5083 aluminium alloy panel spread emulsion; Then be clipped between upper and lower 5083 aluminium alloy panel, electricity consumption cap sensitive explosive is realized the welding between upper and lower 5083 aluminium alloy panel and 5083 aluminium alloy ripple laminboard layers;
The 6th step, puts into water by composite plate after blast, is heated to the rear low-melting alloy plug of water boiling and can melts from composite plate and flow out, the final composite plate with ripple sandwich structure that obtains.
embodiment 3
The first step, is of a size of the die 1 of 260mm × 260mm × 40mm with 321 stainless steels (1Cr8Ni9Ti) machining profile, be square wave on die 1, and the wavelength of square wave is 60mm, and wave amplitude is 30mm, for the manufacture of ripple laminboard layer;
Second step, is laid in the TC4 titanium alloy plate that is of a size of 260mm × 260mm × 1.5mm on die, then by be embossed on TC4 titanium alloy plate;
The 3rd step, puts into heating furnace by the mould assembling, and patrix is carried out to machinery pressurization, to ensure sealing; Simultaneously by mold heated to 900-920 DEG C, pass into argon gas by the air inlet of patrix simultaneously, TC4 titanium alloy plate is carried out to superplasticforming, cooling rear taking-up obtains TC4 titanium alloy ripple laminboard layer;
The 4th step, go out the plug of the carbon steel material identical with TC4 titanium alloy ripple laminboard layer bellows-shaped by machining, and apply butter solder resist at mandrel surface, and being inserted into the hollow parts of TC4 titanium alloy ripple laminboard layer, plug plays a supportive role in the time of explosive welding;
The 5th step, TC4 titanium alloy ripple laminboard layer and on explosive welding position between 5083 aluminium alloy panel, lower 5083 aluminium alloy panel (being while being clipped in the middle of upper and lower panel and upper and lower panel contact site of TC4 titanium alloy ripple laminboard layer) spread emulsion; Then be clipped between upper and lower 5083 aluminium alloy panel, electricity consumption cap sensitive explosive is realized the welding between upper and lower 5083 aluminium alloy panel and TC4 titanium alloy ripple laminboard layer;
The 6th step, extracts the carbon steel plug in composite plate out, the final heterogeneous material composite plate with ripple sandwich structure that obtains.
embodiment 4
The first step, is of a size of the die 1 of 260mm × 260mm × 40mm with 321 stainless steels (1Cr8Ni9Ti) machining profile, be triangular waveform on die 1, and leg-of-mutton wavelength is 60mm, and wave amplitude is 30mm, for the manufacture of ripple laminboard layer;
Second step, is laid in the TC4 titanium alloy plate that is of a size of 260mm × 260mm × 1.5mm on die, then by be embossed on TC4 titanium alloy plate;
The 3rd step, puts into heating furnace by the mould assembling, and patrix is carried out to machinery pressurization, to ensure sealing; Simultaneously by mold heated to 900-920 DEG C, pass into argon gas by the air inlet of patrix simultaneously, TC4 titanium alloy plate is carried out to superplasticforming, cooling rear taking-up obtains TC4 titanium alloy ripple laminboard layer;
The 4th step, go out the plug of the cross section carbon steel material identical with TC4 titanium alloy ripple laminboard layer bellows-shaped by machining, and apply butter solder resist at mandrel surface, and being inserted into the hollow parts of TC4 titanium alloy ripple laminboard layer, plug plays a supportive role in the time of explosive welding;
The 5th step, TC4 titanium alloy ripple laminboard layer and on explosive welding position between 2124 aluminium alloy panel, lower 5083 aluminium alloy panel (being while being clipped in the middle of upper and lower panel and upper and lower panel contact site of TC4 titanium alloy ripple laminboard layer) spread emulsion; Then be clipped between 2124 aluminium alloy panel, lower 5083 aluminium alloy panel, electricity consumption cap sensitive explosive is realized the welding between upper 2124 aluminium alloy panel, lower 5083 aluminium alloy panel and TC4 titanium alloy ripple laminboard layer;
The 6th step, extracts the carbon steel plug in composite plate out, the final heterogeneous material composite plate with ripple sandwich structure that obtains.
Other conversion can be selected or make to stainless steel die waveform in above-described embodiment according to actual needs between square wave, trapezoidal wave, triangular wave or sine wave.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make under the premise without departing from the principles of the invention some improvement, and these improve and also should be considered as protection scope of the present invention.
Claims (9)
1. there is a preparation method for ripple layer sandwich structure composite plate, it is characterized in that comprising the following steps:
1), prepare ripple laminboard layer;
2), add passive plug to the hollow parts of ripple laminboard layer;
3), realize being connected between ripple laminboard layer and upper and lower metal decking by explosive welding;
4), take out after plug, obtain having ripple sandwich structure composite plate.
2. the preparation method with ripple layer sandwich structure composite plate according to claim 1, is characterized in that: the preparation process of described ripple laminboard layer is:
1), be processed into stainless steel there is square wave, the die of trapezoidal wave, triangular wave or sine waveform;
2), titanium alloy plate is laid on die, then by be embossed on titanium alloy plate;
3), the mould assembling is put into heating furnace, patrix is carried out to machinery pressurization, guarantee sealing, and by mold heated the superplastic forming temperature to titanium alloy, pass into argon gas by the air inlet of patrix simultaneously, titanium alloy plate is carried out to superplasticforming, obtain titanium alloy ripple laminboard layer after cooling.
3. the preparation method with ripple layer sandwich structure composite plate according to claim 1, the preparation process of described ripple laminboard layer is:
1), be processed into stainless steel there is square wave, the die of trapezoidal wave, triangular wave or sine waveform;
2), flat aluminium alloy plate is laid on die, then by be embossed on flat aluminium alloy plate;
3), the mould assembling is put into heating furnace, patrix is carried out to machinery pressurization, guarantee sealing, and by mold heated the superplastic forming temperature to aluminium alloy, pass into argon gas by the air inlet of patrix simultaneously, aluminium horizontal sheet material is carried out to superplasticforming, obtain aluminium alloy ripple laminboard layer after cooling.
4. the preparation method with ripple layer sandwich structure composite plate according to claim 1, is characterized in that described step 2) be:
1), preparation and die have the core rod mould of same wave line shape;
2), in core rod mould, pour into a mould low-melting alloy, the cooling rear hollow parts that packs ripple laminboard layer as plug into.
5. the preparation method with ripple layer sandwich structure composite plate according to claim 1, it is characterized in that described step 2) be: the two ends of ripple laminboard layer hollow parts are carried out after soldering and sealing, hollow parts to ripple laminboard layer injects low-melting alloy, after cooling as supporting plug.
6. the preparation method with ripple layer sandwich structure composite plate according to claim 1, is characterized in that described step 2) be: machining goes out the hollow parts that inserts ripple laminboard layer after the carbon steel plug identical with ripple laminboard layer bellows-shaped.
7. according to the preparation method with ripple layer sandwich structure composite plate described in claim 1 to 6 any one, it is characterized in that described step 3) in blast process be:
1), the connecting portion between ripple laminboard layer and upper and lower panel is spread emulsion;
2), ripple laminboard layer is clipped between upper and lower panel to ignition charge realization welding.
8. the preparation method with ripple layer sandwich structure composite plate according to claim 7, is characterized in that: described upper and lower panel is titanium alloy sheet or aluminium alloy plate.
9. the preparation method with ripple layer sandwich structure composite plate according to claim 8, is characterized in that: described ripple laminboard layer, top panel and lower panel are same material or foreign material.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104723579A (en) * | 2015-04-13 | 2015-06-24 | 哈尔滨工业大学 | Assembling mold for all-composite corrugated sandwich cylindrical shells |
| CN106881561A (en) * | 2015-12-15 | 2017-06-23 | 航天特种材料及工艺技术研究所 | A kind of preparation method of titanium alloy thin wall multilayer hollow structure |
| CN108160978A (en) * | 2018-02-09 | 2018-06-15 | 中国科学技术大学 | A kind of production method of high temperature impact resistance heat exchanger |
| CN108161210A (en) * | 2018-02-09 | 2018-06-15 | 中国科学技术大学 | A kind of self-hardening filled type hollow structure explosive clad plate and preparation method thereof |
| CN109318541A (en) * | 2018-09-13 | 2019-02-12 | 北京理工大学 | A kind of two-directional corrugations lattice enhanced type composite material sandwich structure |
| CN113133270A (en) * | 2020-01-14 | 2021-07-16 | 航天海鹰(哈尔滨)钛业有限公司 | Confined space forced cooling system based on special-shaped diffusion welding water-cooling plate |
| CN114776747B (en) * | 2022-03-15 | 2023-09-22 | 东北大学 | Composite hyperbolic corrugated sandwich structure for inhibiting vibration of lubricating oil tank of aero-engine and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108160978A (en) * | 2018-02-09 | 2018-06-15 | 中国科学技术大学 | A kind of production method of high temperature impact resistance heat exchanger |
| CN108161210A (en) * | 2018-02-09 | 2018-06-15 | 中国科学技术大学 | A kind of self-hardening filled type hollow structure explosive clad plate and preparation method thereof |
| CN108161210B (en) * | 2018-02-09 | 2023-10-20 | 中国科学技术大学 | Self-hardening filling type hollow structure explosion composite board and manufacturing method thereof |
| CN109318541A (en) * | 2018-09-13 | 2019-02-12 | 北京理工大学 | A kind of two-directional corrugations lattice enhanced type composite material sandwich structure |
| CN113133270A (en) * | 2020-01-14 | 2021-07-16 | 航天海鹰(哈尔滨)钛业有限公司 | Confined space forced cooling system based on special-shaped diffusion welding water-cooling plate |
| CN114776747B (en) * | 2022-03-15 | 2023-09-22 | 东北大学 | Composite hyperbolic corrugated sandwich structure for inhibiting vibration of lubricating oil tank of aero-engine and application thereof |
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