CN1701867A - Compounding method of steel backed aluminium base composite board - Google Patents
Compounding method of steel backed aluminium base composite board Download PDFInfo
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- CN1701867A CN1701867A CN 200510011947 CN200510011947A CN1701867A CN 1701867 A CN1701867 A CN 1701867A CN 200510011947 CN200510011947 CN 200510011947 CN 200510011947 A CN200510011947 A CN 200510011947A CN 1701867 A CN1701867 A CN 1701867A
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Abstract
Composite method for steel backing aluminum-based steel composite plate belongs to steel backing aluminum-based solid-liquid phase dip plating and rolling composite domain. Use high-frequency vibration device in composite ladle spout bath to force continually vertical high-frequency vibration of time more than 10s, frequency larger than 10KHZ and sound intensity more than 2.0w/cm2 on aluminum-based clad metal liquid, to boost the thawing and decomposition of soldering flux thin layer of steel backing surface, and solve the technical problem of 'interface nearby residue of soldering flux' existed in mentioned composite domain, realize combination on total interface on steel backing and aluminum-based clad cover and improve further the interface combination performance.
Description
Technical field
The present invention relates to the rolling complex method of a kind of steel back aluminium solid-liquid phase immersion plating.
Background technology
The patent No.: 00109241.3, denomination of invention: on " rolling complex method of liquid-solid dissimilar metals and equipment ", set forth the rolling complex method of solid-liquid phase immersion plating of steel back aluminium composite plate, its basic process steps is as follows:
1) steel plate with processing such as surface process degreasing, rust cleaning, hacking, immersion plating scaling powders is preheated to temperature required;
2) in compound pouring mouth molten bath, carry out the diffusion reaction of steel backing and aluminium base coating molten metal, form compound interface;
3) utilize rolling system to carry out casting, form steel back aluminium composite plate.In the method; because the scaling powder thin layer on steel backing surface; both in high temperature preheating, protected the steel backing surface not oxidized; promoted aluminium base coating molten metal wetting to the steel backing surface again; therefore the interface combined state of composite plate increases than other solid-liquid phase complex method, and the interface shear strength of composite plate is brought up to 60MPa by average 40MPa.But, for the rolling complex method of steel back aluminium solid-liquid phase immersion plating, because before aluminium base coating molten metal solidifies, the finite energy that compound pouring mouth molten bath can provide steel backing, like this, the scaling powder in the steel backing surface groove that hacking is handled can not thoroughly melt and decompose, so the common residual flux of near interface of steel back aluminium solid-liquid phase immersion plating rolling composite plate, do not form the best complex state that the steel backing on the whole interface combines with aluminium base coating, make interfacial combined function be affected.For steel back aluminium composite plate, the combined state at interface directly influences interfacial combined function, and it is determining the safety in utilization of product, and is very important.
Summary of the invention
Technical problem to be solved by this invention is, overcome the deficiency of " the near interface residual flux " of steel back aluminium solid-liquid phase immersion plating rolling composite plate, provide a kind of steel back aluminium solid-liquid that can promote steel backing surface immersion plating scaling powder melting layer and decomposition complex method mutually, realization steel backing and aluminium base combining on whole interface.
The technical solution adopted for the present invention to solve the technical problems is: on the rolling complex method of existing steel back aluminium solid-liquid phase immersion plating basis, utilize high-frequency vibration device, in the mutually compound pouring mouth of solid-liquid molten bath, vertically to aluminium base coating molten metal apply frequency greater than 10kHz, the sound intensity greater than 2.0w/cm
2Vertical dither, the time of dither effect was accepted greater than 10 seconds in the steel backing surface.Utilize effects such as " localized hyperthermia, high pressure ", " promoting to disperse " that dither produces at the solid liquid interface place, " purifying the surface ", quicken the thawing and the decomposition of steel backing surface welding-assistant layer, guarantee complex acts such as steel backing contacts on whole compound interface with aluminium base coating molten metal, spreads, reaction, reach the purpose that realizes the whole interface combination.
The invention has the beneficial effects as follows: utilize the present invention, when the steel backing surface be subjected to continuously frequency more than 10 seconds greater than 10kHz, the sound intensity greater than 2.0w/cm
2The dither effect after, the scaling powder layer on steel backing surface can melt fully and decompose, and has reached steel backing and aluminium base coating combining on whole interface, has further improved interfacial combined function, interface shear strength is brought up to 70MPa by average 60MPa.
Description of drawings
Fig. 1 is the rolling compound simplified schematic diagram of steel back aluminium solid-liquid phase immersion plating that applies dither.
1. steel plates among the figure through processing such as degreasing, rust cleaning, hacking, immersion plating scaling powder, preheatings, 2. compound pouring mouth, 3. aluminium base coating molten metal, 4. high-frequency vibration device, 5. rolling system, 6. composite plate.The arrow direction is a rolling direction.
Fig. 2 is the scaling powder in the steel backing surface groove on the existing steel back aluminium solid-liquid phase immersion plating rolling composite plate shear interface.
Fig. 3 is the cleaning shear interface of the steel back aluminium solid-liquid phase immersion plating rolling composite plate of process dither processing.
The specific embodiment
High-frequency vibration device 4 and compound pouring mouth 2 are fixed on the same support, and high-frequency vibration device is suspended in the molten bath of compound pouring mouth, and the distance of its vibration head tip to face distance steel backing 1 upper surface is aluminium base coating layer ranges in thickness.
According to the rolling complex method of existing steel back aluminium solid-liquid phase immersion plating, carry out the preceding every work of aluminium base coating molten metal 3 cast, behind the starting high-frequency vibration device, the aluminium base coating molten metal of cast in compound pouring mouth molten bath, after rolling system 5 castings, form composite plate 6.
High-frequency vibration device vertically downward to aluminium base coating molten metal apply frequency greater than 10kHz, the sound intensity greater than 2.0W/cm
2Vertical dither, aluminium base coating molten metal is delivered to the steel backing upper surface with vertical dither, utilizes " localized hyperthermia, high pressure ", " promoting to disperse " that dither produces, thawing and the decomposition that " purifying the surface " waits acceleration steel backing scaling powder layer.High-frequency vibration device can adopt the frequency bought on the market greater than 10kHz, can in the molten bath, form the sound intensity greater than 2.0w/cm
2The high-frequency vibration device of any model of dither.The time of dither effect is accepted continuously greater than 10 seconds in the steel backing surface, and this time is the used time of length L that aluminium base coating metal liquid stream is crossed high-frequency vibration device 4.
The concrete application:
After 1.2mm the 08Al steel plate thick, that 112mm is wide is handled through conventional degreasing, rust cleaning, hacking etc., carrying out the immersion plating of the scaling powder aqueous solution in the immersion plating pond handles, form the scaling powder thin layer of 15 μ m on the steel backing surface, be preheating to 500 ℃ through preheating device, entering the long compound pouring mouth molten bath of 300mm and contact with 700 ℃ Al20Sn coating molten metal, is that 20kHz, oscillation power are that 300W, vibrating arm section are that 110mm * 110mm, the sound intensity are 2.5W/cm accepting vibration frequency
2The effect in vertical dither continuous 11 seconds of high-frequency vibration device after, flow out pouring mouth, be after 320mm, mill speed are the rolling system casting of 10mm/s through roller diameter, forming thickness is the steel backing Al20Sn composite plate of 2.5mm.
Utilize the compound interface of steel backing one side of the steel backing Al20Sn composite plate of the inventive method preparation to shear and tear the surface as shown in Figure 3, as seen tear the surface cleans very much, there is not residual flux, this with existing steel back aluminium solid-liquid mutually in the hacking groove of steel backing one side of immersion plating rolling composite plate the compound interface of residual flux shear and tear the surface, as shown in Figure 2, formed striking contrast, realized steel backing and aluminium base coating combining on whole interface, interface shear strength has reached 70～72MPa.
Claims (2)
1. the complex method of a steel back aluminium composite plate, its processing step:
Step 1 adopts degreasing, rust cleaning, hacking, immersion plating scaling powder operation that the steel backing surface is handled;
Step 2, with above-mentioned steel backing be preheated to temperature required after, in compound pouring mouth molten bath, carry out diffusion reaction with aluminium base coating molten metal, form compound interface;
Step 3 is utilized rolling system to carry out casting and is formed steel back aluminium composite plate;
It is characterized in that, utilize high-frequency vibration device, in the mutually compound pouring mouth of solid-liquid molten bath, vertically to aluminium base coating molten metal apply frequency greater than 10kHz, the sound intensity greater than 2.0w/cm
2Vertical dither, quicken the thawing and the decomposition of solid-liquid phase compound tense steel backing surface welding-assistant layer.
2. the complex method of a kind of steel back aluminium composite plate according to claim 1 is characterized in that, the time of dither effect was accepted greater than 10 seconds in the steel backing surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100119473A CN1297356C (en) | 2005-06-17 | 2005-06-17 | Compounding method of steel backed aluminium base composite board |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100119473A CN1297356C (en) | 2005-06-17 | 2005-06-17 | Compounding method of steel backed aluminium base composite board |
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| CN1701867A true CN1701867A (en) | 2005-11-30 |
| CN1297356C CN1297356C (en) | 2007-01-31 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100427230C (en) * | 2006-09-01 | 2008-10-22 | 北京交通大学 | Composite method for casting and rolling composite plate of steel, cupper, and graphite |
| CN101683655B (en) * | 2008-09-26 | 2011-09-21 | 南京理工大学 | Method for preparing metal laminated composite material by rolling and compounding at approaching solidus curve temperature |
| CN102671944A (en) * | 2011-12-25 | 2012-09-19 | 河南科技大学 | Device for forming three-layer metal composite plate by cast-rolling compounding by brazing method |
| CN102671946A (en) * | 2011-12-25 | 2012-09-19 | 河南科技大学 | Copper aluminum composite board and preparation method thereof |
| CN103252369A (en) * | 2012-02-20 | 2013-08-21 | 秋海滨 | Solid-liquid phase metal cast rolling compounding method and device |
| CN106077554A (en) * | 2016-05-31 | 2016-11-09 | 东北大学 | The casting and rolling device of a kind of titanium/aluminium alloy compound slab and method thereof |
| CN110280742A (en) * | 2019-07-30 | 2019-09-27 | 大连理工大学 | The alloy thickness control device and method of steel back copper alloy composite material |
| CN113441701A (en) * | 2021-07-16 | 2021-09-28 | 上海涟屹轴承科技有限公司 | Manufacturing method of thick-wall aluminum-based bimetallic bearing and thick-wall aluminum-based bimetallic bearing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06134566A (en) * | 1991-11-08 | 1994-05-17 | Daihatsu Motor Co Ltd | Production of metal-base composite material |
| CN1186137C (en) * | 2000-06-19 | 2005-01-26 | 东北大学 | Rolling method and apparatus for combining liquid-solid heterometals |
| JP3680818B2 (en) * | 2002-05-23 | 2005-08-10 | 住友金属工業株式会社 | Magnesium alloy sheet manufacturing method and apparatus |
| CN1224492C (en) * | 2003-02-27 | 2005-10-26 | 哈尔滨工业大学 | High efficiency aluminium base composite material liquid phase vibrating welding method |
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2005
- 2005-06-17 CN CNB2005100119473A patent/CN1297356C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100427230C (en) * | 2006-09-01 | 2008-10-22 | 北京交通大学 | Composite method for casting and rolling composite plate of steel, cupper, and graphite |
| CN101683655B (en) * | 2008-09-26 | 2011-09-21 | 南京理工大学 | Method for preparing metal laminated composite material by rolling and compounding at approaching solidus curve temperature |
| CN102671946B (en) * | 2011-12-25 | 2015-01-21 | 河南科技大学 | Copper aluminum composite board and preparation method thereof |
| CN102671946A (en) * | 2011-12-25 | 2012-09-19 | 河南科技大学 | Copper aluminum composite board and preparation method thereof |
| CN102671944B (en) * | 2011-12-25 | 2014-09-10 | 河南科技大学 | Device for forming three-layer metal composite plate by cast-rolling compounding by brazing method |
| CN102671944A (en) * | 2011-12-25 | 2012-09-19 | 河南科技大学 | Device for forming three-layer metal composite plate by cast-rolling compounding by brazing method |
| CN103252369A (en) * | 2012-02-20 | 2013-08-21 | 秋海滨 | Solid-liquid phase metal cast rolling compounding method and device |
| CN103252369B (en) * | 2012-02-20 | 2017-05-10 | 秋海滨 | Solid-liquid phase metal cast rolling compounding method and device |
| CN106077554A (en) * | 2016-05-31 | 2016-11-09 | 东北大学 | The casting and rolling device of a kind of titanium/aluminium alloy compound slab and method thereof |
| CN106077554B (en) * | 2016-05-31 | 2017-12-29 | 东北大学 | The casting and rolling device and its method of a kind of titanium/aluminium alloy compound slab |
| CN110280742A (en) * | 2019-07-30 | 2019-09-27 | 大连理工大学 | The alloy thickness control device and method of steel back copper alloy composite material |
| CN110280742B (en) * | 2019-07-30 | 2020-11-13 | 大连理工大学 | Alloy thickness control device and method for steel-backed copper alloy composite material |
| CN113441701A (en) * | 2021-07-16 | 2021-09-28 | 上海涟屹轴承科技有限公司 | Manufacturing method of thick-wall aluminum-based bimetallic bearing and thick-wall aluminum-based bimetallic bearing |
| CN113441701B (en) * | 2021-07-16 | 2023-05-16 | 上海涟屹轴承科技有限公司 | Method for manufacturing thick-wall aluminum-based bimetallic bearing and thick-wall aluminum-based bimetallic bearing |
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