CN101746088A - Layered aluminum copper composite plate and preparation method thereof - Google Patents
Layered aluminum copper composite plate and preparation method thereof Download PDFInfo
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- CN101746088A CN101746088A CN200810240318A CN200810240318A CN101746088A CN 101746088 A CN101746088 A CN 101746088A CN 200810240318 A CN200810240318 A CN 200810240318A CN 200810240318 A CN200810240318 A CN 200810240318A CN 101746088 A CN101746088 A CN 101746088A
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Abstract
The invention discloses a layered aluminum copper composite plate and a preparation method thereof, which belong to the technical field of preparing composite plates. The layered aluminum copper composite plate is prepared by the preparation method comprising the following steps of: coating a pure copper layer on a pure aluminum substrate, wherein the pure aluminum substrate is a pure aluminum plate with the thickness of 5.0 to 10.0 mm, and the pure copper coating layer is a pure copper plate with the thickness of 1.0 to 2.0 mm; selecting the pure copper plate and the pure aluminum plate; polishing the surfaces to be compounded of the pure copper plate and the pure aluminum plate; assembling the well-polished pure copper plate and the pure aluminum plate, flatly spreading a prepared ammonium nitrate fuel oil explosive mixture on the upper surface of the pure copper plate, and performing explosive welding; performing annealing after the explosive welding; levelling the composite plate after the annealing; and examining the aluminum copper composite plate after levelling, and cutting out uncompounded or cracked parts on four edges of the composite plate to obtain the layered aluminum copper composite plate. Because the aluminum layer replaces part of the copper layer, compared with a copper plate with the same thickness, the aluminum copper composite plate has the characteristics of lighter specific weight and excellent electric conductivity of copper.
Description
Technical field
The invention belongs to the composite board preparing technical field, particularly a kind of layered aluminum copper composite plate and preparation method thereof.
Background technology
Copper material has the performance of many excellences, and is good as electrical and thermal conductivity performance, the plastic forming ability is good, intensity is higher, corrosion-resistant, anti-certain high temperature etc., but than great, price is high; The proportion of aluminium is little, price is low, ductility is good, corrosion resistance and good, but electric conductivity is general.
How the advantages of the two is got up, prepare a kind of layered aluminum copper composite plate, just become this technical field urgent problem.
Explosive welding is a kind of technology of making the dissimilar metal laminated composite plate, has been widely used in the production of bilayers such as copper/steel, steel/stainless steel, copper/steel/stainless steel, copper/steel or multilayer composite board material.Copper coin equally also can realize that by the method for explosive welding dissimilar metal is connected with aluminium sheet, and, these two kinds of metals at room temperature all have good ductility, sheet material after compound can bear bigger plastic deformation ability, thereby can processing and preparing goes out the sheet material and the band of different area and thickness.But because the sheet material after compound will at room temperature carry out plastic deformation, so explosion weld process and Technology for Heating Processing are compared different with other metal.Therefore how to guarantee that explosive clad plate has temperature-room type plasticity deformability preferably, need overcome the technical barrier in preparation technology's flow process.The present invention has found the process with explosive welding+annealing through a large amount of experiments, has prepared the layered aluminum copper composite plate with better temperature-room type plasticity deformation performance.
Summary of the invention
The purpose of this invention is to provide a kind of layered aluminum copper composite plate and preparation method thereof.
A kind of layered aluminum copper composite plate covers pure copper layer in fine aluminium basic unit, it is characterized in that, fine aluminium basic unit is a fine aluminium sheet material, and thickness is 5.0～10.0mm, and the fine copper coating is pure copper plate, and thickness is 1.0～2.0mm.
Described fine aluminium sheet material is pure aluminum plate L1, pure aluminum plate L2, pure aluminum plate L3, pure aluminum plate L4, pure aluminum plate L5 or pure aluminum plate L6.
Described pure copper plate is pure copper plate T1, pure copper plate T2, pure copper plate T3 or pure copper plate T4.
Described pure copper plate and fine aluminium sheet material thickness proportion are 1: 5.
A kind of preparation method of layered aluminum copper composite plate is characterized in that, this method step is as follows,
(1) select pure copper plate and fine aluminium sheet material as the explosive welding initial blank;
(2) method that adopts mechanical grinding treats that with pure copper plate and fine aluminium sheet material compound surface carries out grinding process, and cleans out, and preserves in the environment of drying after the polishing, uses within 24h;
(3) pure copper plate and the assembling of fine aluminium sheet material that will polish and get well, on steel plate, lay the low-density woodwork plate as ground, fine aluminium sheet material is following, pure copper plate is last, be positioned on the ground, smear the thick butter of 1～2mm as protective layer, the ammonium oil composite explosives that prepare are tiled in pure copper plate upper surface at the copper plate upper surface, adopt detonator limit portion to detonate, carry out explosive welding;
(4) aluminum copper composite plate that explosive welding (EW) is connected is annealed, and the annealing process system is: adopt the resistance heated batch-type furnace, the aluminum bronze explosive clad plate is heated to 200～400 ℃ with stove, and insulation 1～10h cools off with stove;
(5) the explosive welding aluminum copper composite plate after will annealing carries out 2～5 times smoothing and handles on the multiple roll levelling machine;
(6) check is cut out and is gone not compound or cracked parts on four limits of composite plate through the aluminum copper composite plate of smoothing, gets layered aluminum copper composite plate.
Described ammonium oil composite explosives, the explosion velocity of explosive is 1000～4000m/s, medicine density is 400～1100kg/m
3, the medicine height is 10～30mm, and assemblage gap is 1～6mm, and clearance support adopts the fine aluminium thin slice to make.
Described ammonium oil composite explosives component is by weight: NH
4NO
3: 50～80%, diesel oil: 5～20%, sawdust: 10～40%.
Described detonator is 5
#Electric cap.
Beneficial effect of the present invention is: because aluminium lamination substituted the part copper layer, with same thickness copper coin compare, aluminum copper composite plate has less proportion, but also has the excellent conductive capability characteristics of copper concurrently.Therefore, aluminum copper composite plate is expected to be applied in fields such as power electronics, nuclear power generating equipment and Aero-Space equipment.
The specific embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1
A kind of layered aluminum copper composite plate, in fine aluminium basic unit, cover pure copper layer, fine aluminium basic unit is pure aluminum plate L1, thickness is 5.0mm, L1 board size specification is: and 500mm length * 400mm is wide * and 5.0mm is thick, the fine copper coating is pure copper plate T1, and thickness is 1.0mm, and T1 board size specification is: and 550mm length * 450mm is wide * and 1.0mm is thick.
A kind of preparation method of layered aluminum copper composite plate, this method step is as follows,
(1) select pure copper plate T1 and pure aluminum plate L1 as the explosive welding initial blank;
(2) method that adopts mechanical grinding treats that with pure copper plate and fine aluminium sheet material compound surface carries out grinding process, and cleans out;
(3) pure copper plate and the assembling of fine aluminium sheet material that will polish and get well; on the thick steel plate of 15mm, lay the thick low-density woodwork plate of 5mm as ground; fine aluminium sheet material is following; pure copper plate is last; be positioned on the ground; smear the thick butter of 1～2mm as protective layer at the copper plate upper surface, the ammonium for preparing oil composite explosives are tiled in the upper surface of pure copper plate, ammonium oil composite explosives component is by weight: NH
4NO
3: 80%, diesel oil: 10%, sawdust: 10%, adopt 5
#Electric cap limit portion detonates, and the explosion velocity of explosive is 2800m/s, and medicine density is 850kg/m
3, the medicine height is 25mm, and assemblage gap is 3mm, and clearance support adopts the fine aluminium thin slice to make, and carries out explosive welding;
(4) aluminum copper composite plate that explosive welding (EW) is connected is annealed, and the annealing process system is: adopt the resistance heated batch-type furnace, the aluminum bronze explosive clad plate is heated to 400 ℃ with stove, and insulation 10h cools off with stove;
(5) the explosive welding aluminum copper composite plate after will annealing carries out 3 times smoothing and handles on the multiple roll levelling machine;
(6) check is cut out and is gone not compound or cracked parts on four limits of composite plate through the aluminum copper composite plate of smoothing, gets layered aluminum copper composite plate.
The 6mm aluminum copper composite plate of making, compare with the copper coin material of 6mm thickness, not only saved about 75% copper material, reduced material cost, but also make the whole proportion of sheet material reduce about 55%, compare with the fine aluminium sheet material of 6mm thickness, not only increased substantially the electric conductivity of material, and make the intensity of sheet material and elastic modelling quantity be improved.
The aluminum copper composite plate of making has higher plasticity ductility, can satisfy at ambient temperature it is rolled processing and rolling attenuate, the requirement of the following different-thickness sheet material of preparation 6mm.
Claims (8)
1. a layered aluminum copper composite plate covers pure copper layer in fine aluminium basic unit, it is characterized in that, fine aluminium basic unit is a fine aluminium sheet material, and thickness is 5.0～10.0mm, and the fine copper coating is pure copper plate, and thickness is 1.0～2.0mm.
2. a kind of layered aluminum copper composite plate according to claim 1 is characterized in that, described fine aluminium sheet material is pure aluminum plate L1, pure aluminum plate L2, pure aluminum plate L3, pure aluminum plate L4, pure aluminum plate L5 or pure aluminum plate L6.
3. a kind of layered aluminum copper composite plate according to claim 1 is characterized in that, described pure copper plate is pure copper plate T1, pure copper plate T2, pure copper plate T3 or pure copper plate T4.
4. a kind of layered aluminum copper composite plate according to claim 1 is characterized in that, described pure copper plate and fine aluminium sheet material thickness proportion are 1: 5.
5. the preparation method of a layered aluminum copper composite plate is characterized in that, this method step is as follows,
(1) select pure copper plate and fine aluminium sheet material as the explosive welding initial blank;
(2) method that adopts mechanical grinding treats that with pure copper plate and fine aluminium sheet material compound surface carries out grinding process, and cleans out, and preserves in the environment of drying after the polishing, uses within 24h;
(3) pure copper plate and the assembling of fine aluminium sheet material that will polish and get well, on steel plate, lay the low-density woodwork plate as ground, fine aluminium sheet material is following, pure copper plate is last, be positioned on the ground, smear the thick butter of 1～2mm as protective layer, the ammonium oil composite explosives that prepare are tiled in pure copper plate upper surface at the copper plate upper surface, adopt detonator limit portion to detonate, carry out explosive welding;
(4) aluminum copper composite plate that explosive welding (EW) is connected is annealed, and the annealing process system is: adopt the resistance heated batch-type furnace, the aluminum bronze explosive clad plate is heated to 200～400 ℃ with stove, and insulation 1～10h cools off with stove;
(5) the explosive welding aluminum copper composite plate after will annealing carries out 2～5 times smoothing and handles on the multiple roll levelling machine;
(6) check is cut out and is gone not compound or cracked parts on four limits of composite plate through the aluminum copper composite plate of smoothing, gets layered aluminum copper composite plate.
6. the preparation method of a kind of layered aluminum copper composite plate according to claim 5 is characterized in that, described ammonium oil composite explosives, and the explosion velocity of explosive is 1000～4000m/s, medicine density is 400～1100kg/m
3, the medicine height is 10～30mm, and assemblage gap is 1～6mm, and clearance support adopts the fine aluminium thin slice to make.
7. according to the preparation method of claim 5 or 6 described a kind of layered aluminum copper composite plates, it is characterized in that described ammonium oil composite explosives component is by weight: NH
4NO
3: 50～80%, diesel oil: 5～20%, sawdust: 10～40%.
8. the preparation method of a kind of layered aluminum copper composite plate according to claim 5 is characterized in that, described detonator is 5
#Electric cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810240318A CN101746088A (en) | 2008-12-17 | 2008-12-17 | Layered aluminum copper composite plate and preparation method thereof |
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| CN200810240318A CN101746088A (en) | 2008-12-17 | 2008-12-17 | Layered aluminum copper composite plate and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412025A (en) * | 2011-12-08 | 2012-04-11 | 南京三邦金属复合材料有限公司 | Method of manufacturing whole copper-clad aluminium combined bar through explosion and rolling |
| CN102423840A (en) * | 2011-09-20 | 2012-04-25 | 南京三邦金属复合材料有限公司 | Method for manufacturing semi-clad copper-aluminum composite bar by exploding and rolling |
| CN102626854A (en) * | 2012-04-19 | 2012-08-08 | 南京德邦金属装备工程股份有限公司 | Method for producing full-coated copper-aluminium composite bar by explosion and rolling |
| CN102814587A (en) * | 2012-08-08 | 2012-12-12 | 太原钢铁(集团)有限公司 | Method for manufacturing stainless steel clad plate |
| CN103009701A (en) * | 2012-12-04 | 2013-04-03 | 湖南湘投金天钛金属有限公司 | Aluminum-copper composite plate and method for preparing same |
| CN104289698A (en) * | 2014-09-15 | 2015-01-21 | 江苏大学 | Method for preparing Al/Cu composite material |
| CN105033441A (en) * | 2015-08-17 | 2015-11-11 | 葫芦岛金属复合材料有限公司 | Explosive welding manufacturing method of sandwich composite board |
| CN105880311A (en) * | 2014-11-28 | 2016-08-24 | 谢振华 | Production method for bilateral composite metal belt |
| CN102982903B (en) * | 2012-11-26 | 2017-05-24 | 大连通发新材料开发有限公司 | Method for producing copper-clad aluminum pipe and used production line |
| CN110340173A (en) * | 2019-07-01 | 2019-10-18 | 东北轻合金有限责任公司 | A kind of preparation method of 6061 aluminium alloy and the laminated composite plate of T2 copper |
-
2008
- 2008-12-17 CN CN200810240318A patent/CN101746088A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423840A (en) * | 2011-09-20 | 2012-04-25 | 南京三邦金属复合材料有限公司 | Method for manufacturing semi-clad copper-aluminum composite bar by exploding and rolling |
| CN102412025A (en) * | 2011-12-08 | 2012-04-11 | 南京三邦金属复合材料有限公司 | Method of manufacturing whole copper-clad aluminium combined bar through explosion and rolling |
| CN102412025B (en) * | 2011-12-08 | 2013-03-20 | 南京三邦金属复合材料有限公司 | Method of manufacturing whole copper-clad aluminium combined bar through explosion and rolling |
| CN102626854B (en) * | 2012-04-19 | 2014-08-20 | 南京德邦金属装备工程股份有限公司 | Method for producing full-coated copper-aluminium composite bar by explosion and rolling |
| CN102626854A (en) * | 2012-04-19 | 2012-08-08 | 南京德邦金属装备工程股份有限公司 | Method for producing full-coated copper-aluminium composite bar by explosion and rolling |
| CN102814587A (en) * | 2012-08-08 | 2012-12-12 | 太原钢铁(集团)有限公司 | Method for manufacturing stainless steel clad plate |
| CN102982903B (en) * | 2012-11-26 | 2017-05-24 | 大连通发新材料开发有限公司 | Method for producing copper-clad aluminum pipe and used production line |
| CN103009701A (en) * | 2012-12-04 | 2013-04-03 | 湖南湘投金天钛金属有限公司 | Aluminum-copper composite plate and method for preparing same |
| CN103009701B (en) * | 2012-12-04 | 2015-11-18 | 湖南湘投金天钛金属有限公司 | Be applied to the preparation method of the aluminum copper composite plate of high-low pressure power transmission and transformation accessory |
| CN104289698A (en) * | 2014-09-15 | 2015-01-21 | 江苏大学 | Method for preparing Al/Cu composite material |
| CN105880311A (en) * | 2014-11-28 | 2016-08-24 | 谢振华 | Production method for bilateral composite metal belt |
| CN105033441A (en) * | 2015-08-17 | 2015-11-11 | 葫芦岛金属复合材料有限公司 | Explosive welding manufacturing method of sandwich composite board |
| CN110340173A (en) * | 2019-07-01 | 2019-10-18 | 东北轻合金有限责任公司 | A kind of preparation method of 6061 aluminium alloy and the laminated composite plate of T2 copper |
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Application publication date: 20100623 |