CN201573369U - Magnesium base clad aluminum product composite plate belt material - Google Patents
Magnesium base clad aluminum product composite plate belt material Download PDFInfo
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- CN201573369U CN201573369U CN2009201751873U CN200920175187U CN201573369U CN 201573369 U CN201573369 U CN 201573369U CN 2009201751873 U CN2009201751873 U CN 2009201751873U CN 200920175187 U CN200920175187 U CN 200920175187U CN 201573369 U CN201573369 U CN 201573369U
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Abstract
The utility model relates to magnesium base clad aluminum product composite plate material. The basis material of the composite plate material adopts magnesium alloy cast-roiling plate blank; aluminum alloy plate belt material is clad on the upper surface and the lower surface of the basis material through hot rolling plastic deformation; during the preparing, magnesium alloy is subjected to stable cast-rolling into plate blank, and then on-line surface pretreatment is performed on the plate blank; simultaneously, the aluminum alloy plate belt material clad in the upper and lower layers is unreeled; the aluminum alloy plate belt material is adhered on the basis material of the aluminum alloy cast-rolling plate blank and fed to a material guide device by manual or mechanical clamping; and then the magnesium base clad aluminum product composite plate belt material is formed through on-line hot rolling plastic deformation compounding. The magnesium base clad aluminum product composite plate belt material can not only improve the plastic deformation and surface corrosion resisting property of aluminum alloy plate belt through aluminum clad compounding technology, but also further reduce the processing cost of the aluminum alloy plate belt by combining the advantages of short flow and low energy consumption of the cast-rolling technology, thereby providing magnesium base clad aluminum product composite plate belt material for the market.
Description
Technical field
The utility model relates to a kind of magnesium based aluminum material coated composite plate strip, belongs to the nonferrous materials technical field.
Background technology
Magnesium and alloy thereof are the lightest present structural metallic materials, it is low to have density, specific strength and specific stiffness height, heat conduction, capability of electromagnetic shielding height, and be easy to advantages such as recovery, have broad application prospects in Aeronautics and Astronautics, automobile, 3C consumer electronics field, be described as " the green engineering material of 21 century ", Mg Alloy Research and application in recent years is subjected to the attention of material educational circles and industrial quarters day by day.
As everyone knows, China is magnesium resource big country, and former magnesium output is positioned at prostatitis, the world.But China's magnesium-alloy material exploitation and application level still are in low side, and annual magnesium goods more than 80% export to foreign countries with low value-added former magnesium, press for research and development magnesium and magnesium alloy materials processing technology and equipment.In addition, along with the breakthrough of cost reduction and technical bottleneck, industries such as automobile, electronics, communication are strong day by day to magnesium alloy sheet strip product demand.
At present, China still is in preliminary stage at the development and the development field of wrought magnesium alloy, main rolling and the extrusion of adopting of traditional magnesium alloy board processing.When preparation thin plate band, operation is many, lumber recovery is low, and the product structure property is low, and domestic high-performance magnesium-alloy strip product mainly relies on external import.Therefore, the exploitation of magnesium alloy board production new technique and new equipment is urgent day by day.
Country and local governments at all levels quite pay attention to the work such as research, exploitation and industrialization of wrought magnesium alloy in recent years.Aspect application magnesium strip material production technology, equipment and industrialization more widely, also have many key technologies not break through.
The main cause that hinders the magnesium alloy board extensive use has following 2 points: at first, magnesium alloy is the close-packed hexagonal crystal structure, symmetry is low, plasticity is poor under the room temperature, difficulty is shaped, micro-crack, limit are split in the operation of rolling, pressure is leaked and defective such as broken belt is many, therefore zerolling magnesium and magnesium alloy board are very difficult, and the product lumber recovery is low, the cost height; Secondly, corrosion stability of magnesium alloy can be poor, needs during use Mg alloy surface is carried out anti-corrosion treatment, handles as changing alloying component, anodic oxidation, face coat or chemical conversion, increased the processing cost of magnesium alloy product greatly, restriction magnesium and Application of Magnesium.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of magnesium based aluminum material coated composite plate strip is provided, and is intended to solve problems such as ordinary hot warm-rolling making sheet band plastic deformation poor performance and corrosion resistance difference.
The purpose of this utility model is achieved through the following technical solutions:
Magnesium based aluminum material coated composite plate strip, characteristics are: the base material of described composite board band is the roll-casting of magnesium alloy slab, is coated with aluminum alloy sheets and strips at the upper and lower surface of described base material by the hot rolling plastic deformation.
Further, above-mentioned magnesium based aluminum material coated composite plate strip, wherein, described roll-casting of magnesium alloy slab is pure magnesium series alloy, Mg-Al series alloy, Mg-Zn series alloy, Mg-Y series alloy, Mg-Re series alloy, Mg-Ca series alloy, Mg-Ag series alloy or Mg-Cu series alloy.Described aluminum alloy sheets and strips is 1000 serial pure aluminum alloy, 3000Al-Mn series alloy or 5000Al-Mg series alloy.
Further, above-mentioned magnesium based aluminum material coated composite plate strip, the thickness of described roll-casting of magnesium alloy slab are at 3～10mm, and single face aluminum alloy sheets and strips thickness is 1～40% of gross thickness, and the aluminum alloy sheets and strips width is greater than the roll-casting of magnesium alloy width of plate slab.
The substantive distinguishing features of technical solutions of the utility model and progressive being mainly reflected in:
The shortcoming of, corrosion resistance difference poor at traditional magnesium alloy board plastic deformation ability in conjunction with the roll-casting of magnesium alloy technological advantage, provides a kind of novel magnesium base alclad composite board band; In conjunction with casting-rolling technology short flow process, low energy consumption and high efficiency advantage, further shortened process, the processing cost of reduction magnesium alloy board, low cost is prepared high performance magnesium base alclad complex plate strip.Utilize that the aluminium alloy plastic deformation ability is good, the surfacecti proteon characteristic of simple, improve magnesium strip plastic deformation ability, significantly improve magnesium strip surface anticorrosive performance.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: magnesium base alclad composite board cross sectional representation;
Fig. 2: roll-casting of magnesium alloy slab alclad composite rolling schematic diagram.
The implication of each Reference numeral sees the following form among the figure:
| Reference numeral | Implication | Reference numeral | Implication | Reference numeral | Implication |
| 1 | The lip device | 2 | The casting roller | 3 | The roll-casting of magnesium alloy slab |
| 4 | The cast-rolled block roller-way | 5 | The surface preparation device | 6 | Metallized aluminum roll coil of strip decoiling equipment |
| 7 | Pinch material guide device | 8 | Online heater | 9 | Hot-rolling mill |
| 10 | Magnesium base complex plate strip | A | Last clad | B | Base material |
| C | Following clad |
The specific embodiment
As shown in Figure 1, magnesium based aluminum material coated composite plate strip, base material B is the roll-casting of magnesium alloy slab, is selected from pure magnesium series alloy, Mg-Al series alloy, Mg-Zn series alloy, Mg-Y series alloy, Mg-Re series alloy, Mg-Ca series alloy, Mg-Ag series alloy or Mg-Cu series alloy; Last clad A and following clad C are aluminum alloy sheets and strips, are selected from 1000 serial pure aluminum alloy, 3000Al-Mn series alloy or 5000Al-Mg series alloy.
Magnesium based aluminum material coated composite plate strip production method, master operation comprise that roll-casting of magnesium alloy is compound in advance for base and preliminary treatment, aluminum material coated uncoiling, clad, pinch, the online heating of strip, hot temperature ply rolling seam and subsequent thermal temperature are rolling to the finished product roll coil of strip or directly batch and be the blank roll coil of strip.All implement with online mode, whole machine is listed as according to the technological process configuration, and whole machine is listed as shown in Figure 2: comprise casting of magnesium alloy milling train (lip device 1, casting rod 2 and cast-rolled block roller-way 4), cast-rolled block surface preparation device 5, metallized aluminum roll coil of strip decoiling equipment 6, pinch material guide device 7, online heater 8 and hot-rolling mill 9.When following adopted piece Shi Farewen is rolling to finished product, configurable shear and subsequent thermal warm-rolling system device; If magnesium base alclad complex plate strip directly batches shaping, then subsequent configuration is sheared, is batched and attemperator.During production, the magnesium alloy molten metal through lip device 1 by casting rod 2 casting risers, enter stablize the casting stage after, form roll-casting of magnesium alloy slab 3, roll-casting of magnesium alloy slab 3 enters cast-rolled block roller-way 4, finishes casting for base, and casting magnesium alloy slab thickness is in 3～10mm scope.Carry out preliminary treatment by 5 pairs of roll-casting of magnesium alloy steel slab surface of surface preparation device, purge as surface removal oxide skin, mechanical sanding and surface, remove surperficial casting flaw, oxide skin etc., and processing cast-rolled block rough surface, the following adopted blow device, abrasive dust on the Ex-all cast-rolled block upper and lower surface; Be laminated with layer aluminum alloy sheets and strips up and down by 6 uncoilings of metallized aluminum roll coil of strip decoiling equipment, on roll-casting of magnesium alloy slab base material, stick aluminum alloy sheets and strips, artificial or mechanical grip is to pinching material guide device 7, then send into hot-rolling mill 9, be compounded to form magnesium based aluminum material coated composite plate strip by online hot rolling plastic deformation; Online hot rolling compound tense, at 180～400 ℃, reduction in pass is greater than 30% by online heater 8 controlled rolling temperature; Obtain magnesium base complex plate strip 10.
Composite board band can directly batch or subsequent block Shi Fare warm-rolling is made shape, directly batch when being shaped, after online hot rolling plasticity is compounded to form magnesium base alclad complex plate strip, send into the coiling machine jaw device by shearing, guide and clamping and conveying device, adopt permanent tension coiling to be shaped, tension range is provided with roll coil of strip heater at 5～30KN in the coiling machine, the control coiling temperature is at 200～380 ℃.When subsequent block Shi Fare warm-rolling was made shape, after online hot rolling plasticity was compounded to form magnesium base alclad complex plate strip, cutting to length became slab, and follow-up conventional piece Shi Fare warm-rolling system technology is prepared into the strip material.
It is fine aluminium series alloy, 3000 (Al-Mn) series alloy, 5000 (Al-Mg) series alloy that last clad A and following clad C aluminium alloy designations are selected from 1000; Aluminum material coated up and down thickness and alloy designations thereof are identical or inequality, coat the single face THICKNESS CONTROL at 1～40% of gross thickness H, and the clad width is greater than base material width 1～100mm.Behind the aluminum material coated roll coil of strip uncoiling crop, be attached on the base material, artificial clamping or mechanical device are sent into and are pinched material guide device 7 (pinch roll).
Online heater 8 can adopt modes such as infrared induction heating, solenoid eddy-current heating or electrical heating components and parts radiation heating to implement, and before hot rolling was compound, base material, clad roll coil of strip temperature evenly are heated to 180～400 ℃ carried out hot temperature ply rolling seam; In addition, also can utilize the cast-rolled block waste heat directly to carry out hot temperature ply rolling seam.The warm ply rolling seam drafts of heat is controlled at greater than in 30% scope, and mill speed is controlled at below the 60m/min, can not jet lubrication liquid before zone face is compound, and preventing that foreign matter from entering influences welding quality.
Directly batch after the hot ply rolling seam of complex plate strip and form the composite blank roll coil of strip, blank roll coil of strip THICKNESS CONTROL adds heat insulation and heating equipment at 2～5mm on the devices for taking-up, and control made-up belt coiling temperature is at 200～380 ℃.Coiling speed is controlled according to permanent tension force, and tension range is controlled in 5～30kN scope.
After the warm ply rolling seam of composite plate blanks heat, subsequent thermal warm-rolling system can be carried out according to normal heat warm-rolling system technology.
According to final products and technological requirement, rationally be provided with the roll-casting of magnesium alloy slab thickness (3～10mm), choose coating thickness.Aluminum-clad magnesium plate and strip gross thickness H, its original depth and finished product thickness are determined according to user's needs, the thickness of base material is h, coat aluminium sheet (A and C) thickness up and down, the trade mark is selected according to customer requirements, single face thickness is 1～40% of gross thickness H, and the metallized aluminum plate thickness and the trade mark can be identical up and down, also can be inequality, there is not special instruction as the user, on the technology and have no special requirements.
Embodiment 1: adopt the online hot rolling compounding method of AZ61 base roll-casting of magnesium alloy slab alclad, and subsequent block Shi Fare warm-rolling system, preparation finished product sheet material:
It is the 6mm made-up belt that the AZ31 casting of magnesium alloy is rolled into the finger gauge lattice, and cast-rolled block 3 is removed surperficial casting flaw, oxide skin by surface preparation device 5, and the cast-rolled block upper and lower surface is polished by roller-way 4.Adopt 1060 aluminium alloys to do the coating roll coil of strip, in the middle of the coating band casting strip that 6mm is thick of two volume 1mm thickness is coated on, pinch roll is sent in artificial clamping, and online subsequently heater 8 is heated to 350 ℃ with strip, and passage is depressed and is provided with 40%, mill speed is according to the metal mass flow equal principle, be complementary with roll casting speed, hot rolling is compounded to form complex plate strip, follow-up shearing, by board-like hot warm-rolling system, preparation finished product magnesium base alclad composite board.
Embodiment 2: adopt the online hot rolling compounding method of AZ31 base roll-casting of magnesium alloy slab alclad, follow-uply batch shaping, magnesium base alclad coiled composite blank is provided:
It is the 10mm made-up belt that the AZ31 casting of magnesium alloy is rolled into the finger gauge lattice, and cast-rolled block 3 by surface preparation device (for example stainless steel wire brush), is removed surperficial casting defective, oxide skin by roller-way 4, and polishing.Adopting two volume thickness is that the 0.8mm fine aluminium roll coil of strip is done the coating roll coil of strip, coat band and carry out surface treatment, and in the middle of the casting strip that 10mm is thick is coated on after the uncoiling, flatten through nip rolls, temperature is controlled at 320 ℃, and passage is depressed and is set to 50%, and mill speed and roll casting speed are complementary, hot rolling is compounded to form complex plate strip, and follow-up coiling machine forms magnesium base alclad plate strip coil, and coiling temperature is controlled at 280 ℃.
The follow-up corrosion resisting property of carrying out of magnesium base alclad plate strip coil product detects test: at room temperature, soak 8h in NaCl (5%wt) aqueous solution, magnesium base alclad composite plate test sample surface corrosion area in 8%, common AZ31 magnesium alloy hot rolled plate test sample surface corrosion area 65%.
Magnesium base alclad plate strip coil product mechanical property testing result is as follows: Rm=255Mpa, R
P0.2=145Mpa, A=19%.
By the alclad combination process, improve magnesium alloy board plastic deformation and surface corrosion resistance performance, can further reduce the magnesium alloy board processing cost in conjunction with the short flow process of casting-rolling technology, low energy consumption advantage again, be laminated with the magnesium alloy complex plate strip for market provides high-performance, low-cost magnesium base alclad.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.
Claims (4)
1. magnesium based aluminum material coated composite plate strip, it is characterized in that: the base material of described composite board band is the roll-casting of magnesium alloy slab, is coated with aluminum alloy sheets and strips at the upper and lower surface of described base material by the hot rolling plastic deformation.
2. magnesium based aluminum material coated composite plate strip according to claim 1 is characterized in that: described roll-casting of magnesium alloy slab is pure magnesium series alloy, Mg-Al series alloy, Mg-Zn series alloy, Mg-Y series alloy, Mg-Re series alloy, Mg-Ca series alloy, Mg-Ag series alloy or Mg-Cu series alloy.
3. magnesium based aluminum material coated composite plate strip according to claim 1 is characterized in that: described aluminum alloy sheets and strips is 1000 serial pure aluminum alloy, 3000Al-Mn series alloy or 5000Al-Mg series alloy.
4. magnesium based aluminum material coated composite plate strip according to claim 1, it is characterized in that: the thickness of described roll-casting of magnesium alloy slab is at 3～10mm, single face aluminum alloy sheets and strips thickness is 1～40% of gross thickness, and the aluminum alloy sheets and strips width is greater than the roll-casting of magnesium alloy width of plate slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201751873U CN201573369U (en) | 2009-10-23 | 2009-10-23 | Magnesium base clad aluminum product composite plate belt material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201751873U CN201573369U (en) | 2009-10-23 | 2009-10-23 | Magnesium base clad aluminum product composite plate belt material |
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| Publication Number | Publication Date |
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| CN201573369U true CN201573369U (en) | 2010-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201751873U Expired - Lifetime CN201573369U (en) | 2009-10-23 | 2009-10-23 | Magnesium base clad aluminum product composite plate belt material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879086A (en) * | 2014-04-16 | 2014-06-25 | 重庆大学 | Magnesium-aluminum multilayer composite plate and machining method thereof |
| CN104525563A (en) * | 2014-12-15 | 2015-04-22 | 西南铝业（集团）有限责任公司 | Alclad casting ingot rolling method |
-
2009
- 2009-10-23 CN CN2009201751873U patent/CN201573369U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879086A (en) * | 2014-04-16 | 2014-06-25 | 重庆大学 | Magnesium-aluminum multilayer composite plate and machining method thereof |
| CN103879086B (en) * | 2014-04-16 | 2016-01-06 | 重庆大学 | A kind of magnalium multilayer composite board and processing method thereof |
| CN104525563A (en) * | 2014-12-15 | 2015-04-22 | 西南铝业（集团）有限责任公司 | Alclad casting ingot rolling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170420 Address after: 471039 Henan Province, Luoyang city high tech Development Zone middle Ling Road Patentee after: China Nonferrous Metals Processing Technology Co., Ltd. Address before: Suzhou City, Jiangsu province 215021 Industrial Park No. 200 Shen Hu Road Patentee before: Suzhou Non-ferrous Metal academy Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |