CN108501470B - A kind of fire-retardant steel combined with aluminum board core material and preparation method thereof - Google Patents
A kind of fire-retardant steel combined with aluminum board core material and preparation method thereof Download PDFInfo
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- CN108501470B CN108501470B CN201810117795.2A CN201810117795A CN108501470B CN 108501470 B CN108501470 B CN 108501470B CN 201810117795 A CN201810117795 A CN 201810117795A CN 108501470 B CN108501470 B CN 108501470B
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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
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- 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
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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
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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
- B32B15/013—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 a metal other than iron or aluminium
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Abstract
The invention discloses a kind of fire-retardant steel combined with aluminum board core materials, it is related to composite material processing technology of preparing field, the composite board core material is made of one layer of steel plate and two layers of aluminium alloy plate, and steel plate is between aluminium alloy plate, the composite board core material is made up of milling method, preparation method includes the pretreatment of steel plate and aluminium alloy plate, rolling, annealing and etc., the present invention is using two rolling mill practices to steel plate and aluminium alloy plate inlet wire rolling process, pass through strict control related process parameters, so that the bond strength of steel plate and aluminium alloy plate is high, it is not readily separated, excellent in mechanical performance, and during rolling, it joined vibration processing, during the rolling process, rolling not only applies static pressure to material, and deformed area is also vibrated effect, the resistance of deformation of material reduces, to improve rolling power.
Description
Technical field
The present invention relates to composite material processing technology of preparing fields, and in particular to a kind of fire-retardant steel combined with aluminum board core material.
Background technique
Layered metal composite material is to make two or more physics, chemistry, mechanical property different using complex technique
Metal realized on interface firm connection and prepare a kind of new material.Although each layer metal still keeps respective original spy
Property, but the physics of laminated-metal composite, chemistry, mechanical property are more more advantageous than single metal.Steel/aluminum composite plate combines
The advantages that high intensity of steel, light, inexpensive, the excellent conduction of easy cleaning and aluminium, thermal conductivity, in Aeronautics and Astronautics, machinery, change
The various aspects such as work, medical treatment, food, civilian field is widely applied.
The advantages that milling method is at low cost with its, high-efficient, and equipment is few, be a kind of great potential large-scale production steel/
The preparation processing method of aluminum composite plate.
China Patent Publication No. is that CN103878536B discloses a kind of preparation side of stratiform wearable lightweight Steel-aluminium composite board
Method.The method is suitable for Steel-aluminium composite board, especially processes with a thickness of the preparation of 2~4mm Steel-aluminium composite board thin plate.It is used
Processing step is successively are as follows: surface treatment, explosive welding, annealing, smoothing and the sanction of wear-resisting steel plate and aluminium sheet surface to be composite
Side, warm-rolling, smooths, cuts scale at riveting assembly.This method uses " explosive welding+warm-rolling " technique by wear-resisting steel plate and aluminium alloy
Plate is combined with each other, and prepares Steel-aluminium composite board, is suitable for producing Steel-aluminium composite board in batches, especially with a thickness of 2~4mm steel aluminium
The preparation of composite plate thin plate is processed.
China Patent Publication No. is that CN100479938C discloses a kind of steel aluminum composite board semi-solid casting, rolling and compositing method, is belonged to
In Steel-aluminium composite board rolling casting bonding research field, to the semi-solid casting being made of 1.2mm thickness 08Al steel plate and 2.Omm thickness aluminum cladding
Rolling compound plate, steel plate preheating temperature is 495 DEG C, aluminium semi solid slurry solid rate is 36%, steel plate and aluminium in compound pouring mouth
Diffusion time between coating carries out rolling casting bonding under conditions of being 24s, and the steel aluminium that interface shear strength is 73.9MPa can be obtained
Semi-solid casting rolling compound plate, the 68MPa that interface shear strength ratio CN1709598 patent obtains are significantly improved.
Although above two method is able to achieve the preparation of Steel-aluminium composite board, the former is using explosive welding, danger
Dangerous coefficient is high, and operability is not strong, and higher to safety requirements, for the latter using semi-solid casting rolling method, aluminium sheet is to be cast as
Still there are some differences with the aluminium sheet rolling under solid-state in type, mechanical property is not strong.
Summary of the invention
The problem to be solved by the invention is to provide a kind of simple process, stabilization, the excellent fire-retardant steel combined with aluminum of product quality
Board core material and preparation method thereof.
To achieve the goals above, the technical scheme adopted by the invention is as follows: a kind of provided fire-retardant steel combined with aluminum plate core
Material, the composite board core material are made of one layer of steel plate and two layers of aluminium alloy plate, and steel plate is between aluminium alloy plate, described compound
Board core material is made up of milling method, and the specific method is as follows:
(1) steel plate and aluminium alloy plate for annealing of learning from else's experience are waited for steel plate and aluminium alloy plate again with the method for mechanical grinding
It closes surface to polish, plate is stored in dry environment later, and is used within 2 hours；
(2) by by surface treatment after steel plate and aluminium alloy plate be fed together composite rolling mill carry out twice rolling, first
The technological parameter of road rolling is as follows: pressure: 800t-850t, single pass reduction ratio are 8%-10%, mill speed 15-18m/
The technological parameter of min, second rolling are as follows: pressure: 860t-900t, single pass reduction ratio are 18%-25%, mill speed
Apply 5 μm -6 μm of fixed amplitude to rolling surface using vibration device, vibration frequency is while rolling for 21-23m/min
The ultrasonic vibration of 15KHz-20KHz；
(3) composite plate after rolling being sent in heat-treatment furnace and is made annealing treatment, control annealing temperature is 521-528 DEG C,
Heating-up time is 10-12 hours, and annealing soaking time is 10-12 hours, can be obtained required composite board core material.
Preferably, in step (1) before polishing, pickling, washing and ultrasound successively need to be carried out to steel plate and aluminium alloy plate
Wave cleaning treatment.
Preferably, the steel plate with a thickness of 2-3mm, aluminium alloy plate with a thickness of 4-6mm.
Preferably, each technological parameter is specially that the technological parameter of first of rolling is as follows: pressure in the step (2):
820t, single pass reduction ratio are 9%, and the technological parameter of mill speed 16m/min, second rolling are as follows: pressure: 880t,
Single pass reduction ratio is 20%, mill speed 22m/min, while rolling, applies 5 μm of fixed amplitude to rolling surface, vibration
Dynamic frequency is the ultrasonic vibration of 18KHz.
Preferably, the vibration device includes bracket, ultrasonic vibration generator and ultrasonic vibration head, and the bracket is " door "
Font, the top of bracket are equipped with the slide opening of rectangle, and screw rod, one end rotation connection and the one of slide opening of screw rod are installed in slide opening
End, the other end of screw rod are connect with servo motor, sliding block are threaded on screw rod, sliding block is slidably connected in slide opening, described
Ultrasonic vibration generator is installed on the bottom of sliding block, and the ultrasonic vibration head is installed on the bottom of ultrasonic vibration generator.
Preferably, the graduation mark being distributed along its length direction is additionally provided at the top of the bracket.
Beneficial effects of the present invention:
(1) present invention passes through strict control phase using two rolling mill practices to steel plate and aluminium alloy plate inlet wire rolling process
Technological parameter is closed to be not readily separated, excellent in mechanical performance, and so that the bond strength of steel plate and aluminium alloy plate is high in the mistake of rolling
Cheng Zhong joined vibration processing, and vibrational energy is transmitted to contact in rolling by certain way, Dynamic Rolling Process is realized, with reality
Existing quality is high, the small operation of rolling of energy consumption.During the rolling process, rolling not only applies static pressure to material, and deformed area is also
It is vibrated effect, the resistance of deformation of material reduces, to improve rolling power, vibration can make under roll-force and roll torque
Drop nearly 50%.
(2) vibration device of the invention is used, it is convenient to operate, and is suitable for vibration rolling work of the different model in the case of
Make.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of vibration device in the present invention.
Fig. 2 is the top view of bracket in the present invention.
Wherein: 1- vibration device, 2- bracket, 3- slide opening, 4- screw rod, 5- servo motor, 6- sliding block, 7- ultrasonic vibration occur
Device, 8- ultrasonic vibration head, 9- graduation mark.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the examples below, the embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
Embodiment 1
A kind of fire-retardant steel combined with aluminum board core material, the composite board core material are made of one layer of steel plate and two layers of aluminium alloy plate, and
Steel plate is between aluminium alloy plate, and the composite board core material is made up of milling method, and the specific method is as follows:
(1) steel plate and aluminium alloy plate for annealing of learning from else's experience are waited for steel plate and aluminium alloy plate again with the method for mechanical grinding
It closes surface to polish, plate is stored in dry environment later, and is used within 2 hours；
(2) by by surface treatment after steel plate and aluminium alloy plate be fed together composite rolling mill carry out twice rolling, first
The technological parameter of road rolling is as follows: pressure: 800t, single pass reduction ratio are 8%, mill speed 15m/min, second rolling
Technological parameter it is as follows: pressure: 860t, single pass reduction ratio be 18%-25%, mill speed 21m/min, in the same of rolling
When, apply 5 μm of fixed amplitude to rolling surface using vibration device 1, vibration frequency is the ultrasonic vibration of 15KHz；
(3) composite plate after rolling is sent in heat-treatment furnace and is made annealing treatment, control annealing temperature is 521 DEG C, heating
Time is 10 hours, and annealing soaking time is 12 hours, can be obtained required composite board core material.
In the present embodiment, before polishing in step 1, need to successively to steel plate and aluminium alloy plate carry out pickling, washing and
Ultrasonic cleaning processing.
In the present embodiment, the steel plate with a thickness of 2mm, aluminium alloy plate with a thickness of 4mm.
Embodiment 2
A kind of fire-retardant steel combined with aluminum board core material, the composite board core material are made of one layer of steel plate and two layers of aluminium alloy plate, and
Steel plate is between aluminium alloy plate, and the composite board core material is made up of milling method, and the specific method is as follows:
(1) steel plate and aluminium alloy plate for annealing of learning from else's experience are waited for steel plate and aluminium alloy plate again with the method for mechanical grinding
It closes surface to polish, plate is stored in dry environment later, and is used within 2 hours；
(2) by by surface treatment after steel plate and aluminium alloy plate be fed together composite rolling mill carry out twice rolling, first
The technological parameter of road rolling is as follows: pressure: 820t, single pass reduction ratio are 9%, mill speed 16m/min, second rolling
Technological parameter it is as follows: pressure: 880t, single pass reduction ratio be 20%, mill speed 22m/min, rolling while, to
Rolling surface applies 5 μm of fixed amplitude, and vibration frequency is the ultrasonic vibration of 18KHz；
(3) composite plate after rolling is sent in heat-treatment furnace and is made annealing treatment, control annealing temperature is 525 DEG C, heating
Time is 11 hours, and annealing soaking time is 11 hours, can be obtained required composite board core material.
In the present embodiment, before polishing in step 1, need to successively to steel plate and aluminium alloy plate carry out pickling, washing and
Ultrasonic cleaning processing.
In the present embodiment, the steel plate with a thickness of 2mm, aluminium alloy plate with a thickness of 4mm.
Embodiment 3
A kind of fire-retardant steel combined with aluminum board core material, the composite board core material are made of one layer of steel plate and two layers of aluminium alloy plate, and
Steel plate is between aluminium alloy plate, and the composite board core material is made up of milling method, and the specific method is as follows:
(1) steel plate and aluminium alloy plate for annealing of learning from else's experience are waited for steel plate and aluminium alloy plate again with the method for mechanical grinding
It closes surface to polish, plate is stored in dry environment later, and is used within 2 hours；
(2) by by surface treatment after steel plate and aluminium alloy plate be fed together composite rolling mill carry out twice rolling, first
The technological parameter of road rolling is as follows: pressure: 850t, single pass reduction ratio are 10%, and mill speed 18m/min, second rolls
The technological parameter of system is as follows: pressure: 900t, and single pass reduction ratio is 25%, mill speed 23m/min, while rolling,
Apply 6 μm of fixed amplitude to rolling surface using vibration device 1, vibration frequency is the ultrasonic vibration of 20KHz；
(3) composite plate after rolling is sent in heat-treatment furnace and is made annealing treatment, control annealing temperature is 528 DEG C, heating
Time is 12 hours, and annealing soaking time is 10 hours, can be obtained required composite board core material.
In the present embodiment, before polishing in step 1, need to successively to steel plate and aluminium alloy plate carry out pickling, washing and
Ultrasonic cleaning processing.
In the present embodiment, the steel plate with a thickness of 3mm, aluminium alloy plate with a thickness of 6mm.
In the present invention, as depicted in figs. 1 and 2, the vibration device 1 includes bracket 2, ultrasonic vibration generator 7 and ultrasound
Vibration head 8, the bracket 2 are " door " font, and the top of bracket 2 is equipped with the slide opening 3 of rectangle, is installed on screw rod 4, silk in slide opening 3
One end of one end rotation connection and slide opening 3 of bar 4, the other end of screw rod 4 connect with servo motor 5, are threaded on screw rod 4
Sliding block 6, sliding block 6 are slidably connected in slide opening 3, and the ultrasonic vibration generator 7 is installed on the bottom of sliding block 6, the ultrasound vibration
Dynamic head 8 is installed on the bottom of ultrasonic vibration generator 7, and the top of the bracket 2 is additionally provided with the quarter being distributed along its length direction
Spend line 9.Specifically in operation, servo motor 5 can be started, drive screw rod 4 to rotate, so as to adjust position of the sliding block 6 on slide opening 3
It sets, the graduation mark 9 can carry out auxiliary positioning, the precision of adjustment is improved, after adjusting to target position, while rolling,
Start ultrasonic vibration generator 7.
Obviously present invention specific implementation is not subject to the restrictions described above, as long as using method concept and skill of the invention
The improvement for the various unsubstantialities that art scheme carries out, or not improved the conception and technical scheme of the invention are directly applied to it
Its occasion, it is within the scope of the present invention.
Claims (6)
1. a kind of fire-retardant steel combined with aluminum board core material, which is characterized in that the composite board core material is by one layer of steel plate and two layers of aluminium alloy
Board group is at and steel plate, between aluminium alloy plate, the composite board core material is made up of milling method, and the specific method is as follows:
(1) steel plate and aluminium alloy plate for annealing of learning from else's experience, with the method for mechanical grinding by steel plate and aluminium alloy plate table to be composite
Face is polished, and plate is stored in dry environment later, and is used within 2 hours；
(2) by after surface treatment steel plate and aluminium alloy plate be fed together composite rolling mill and carry out twice rolling, roll for first
The technological parameter of system is as follows: pressure: 800t-850t, single pass reduction ratio be 8%-10%, mill speed 15-18m/min,
The technological parameter of second rolling is as follows: pressure: 860t-900t, single pass reduction ratio are 18%-25%, mill speed 21-
23m/min applies 5 μm -6 μm of fixed amplitude to rolling surface using vibration device (1), vibration frequency is while rolling
The ultrasonic vibration of 15kHz -20kHz；
(3) composite plate after rolling is sent in heat-treatment furnace and is made annealing treatment, control annealing temperature is 521-528 DEG C, heating
Time is 10-12 hours, and annealing soaking time is 10-12 hours, can be obtained required composite board core material.
2. a kind of fire-retardant steel combined with aluminum board core material according to claim 1, which is characterized in that the polishing in step (1)
Before, successively pickling, washing and ultrasonic cleaning need to be carried out to steel plate and aluminium alloy plate to handle.
3. a kind of fire-retardant steel combined with aluminum board core material according to claim 1, which is characterized in that the steel plate with a thickness of
2-3mm, aluminium alloy plate with a thickness of 4-6mm.
4. a kind of fire-retardant steel combined with aluminum board core material according to claim 1, which is characterized in that each in the step (2)
Technological parameter is specially that the technological parameter of first of rolling is as follows: pressure: 820t, and single pass reduction ratio is 9%, and mill speed is
The technological parameter of 16m/min, second rolling are as follows: pressure: 880t, single pass reduction ratio are 20%, mill speed 22m/
Min applies 5 μm of fixed amplitude to rolling surface, vibration frequency is the ultrasonic vibration of 18kHz while rolling.
5. a kind of fire-retardant steel combined with aluminum board core material according to claim 4, which is characterized in that the vibration device (1)
Including bracket (2), ultrasonic vibration generator (7) and ultrasonic vibration head (8), the bracket (2) is " door " font, bracket (2)
Top is equipped with the slide opening (3) of rectangle, is installed on screw rod (4) in slide opening (3), one end rotation connection and slide opening (3) of screw rod (4)
The other end of one end, screw rod (4) is connect with servo motor (5), is threaded on screw rod (4) sliding block (6), sliding block (6) sliding
It is connected in slide opening (3), the ultrasonic vibration generator (7) is installed on the bottom of sliding block (6), ultrasonic vibration head (8) peace
Bottom loaded on ultrasonic vibration generator (7).
6. a kind of fire-retardant steel combined with aluminum board core material according to claim 5, which is characterized in that the top of the bracket (2)
Portion is additionally provided with the graduation mark (9) being distributed along its length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810117795.2A CN108501470B (en) | 2018-02-06 | 2018-02-06 | A kind of fire-retardant steel combined with aluminum board core material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810117795.2A CN108501470B (en) | 2018-02-06 | 2018-02-06 | A kind of fire-retardant steel combined with aluminum board core material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108501470A CN108501470A (en) | 2018-09-07 |
| CN108501470B true CN108501470B (en) | 2019-11-08 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04319432A (en) * | 1991-04-19 | 1992-11-10 | Nippon Steel Corp | Steel sheet-clad aluminum sheet for automobile, having superior vibration-damping properties, and manufacture thereof |
| CN102019727A (en) * | 2011-01-07 | 2011-04-20 | 哈尔滨松润金属制品有限公司 | Aluminium-clad steel strip for coolers and preparation method thereof as well as steel strip and aluminium alloy strip used thereby |
| CN102357526A (en) * | 2011-09-08 | 2012-02-22 | 东北大学 | Two-step composite rolling method for copper-aluminum-copper double-side ultrathin composite strip |
| CN102734625A (en) * | 2012-07-17 | 2012-10-17 | 江苏龙源金属科技有限公司 | Steel-aluminum composite board and preparation method thereof |
-
2018
- 2018-02-06 CN CN201810117795.2A patent/CN108501470B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04319432A (en) * | 1991-04-19 | 1992-11-10 | Nippon Steel Corp | Steel sheet-clad aluminum sheet for automobile, having superior vibration-damping properties, and manufacture thereof |
| CN102019727A (en) * | 2011-01-07 | 2011-04-20 | 哈尔滨松润金属制品有限公司 | Aluminium-clad steel strip for coolers and preparation method thereof as well as steel strip and aluminium alloy strip used thereby |
| CN102357526A (en) * | 2011-09-08 | 2012-02-22 | 东北大学 | Two-step composite rolling method for copper-aluminum-copper double-side ultrathin composite strip |
| CN102734625A (en) * | 2012-07-17 | 2012-10-17 | 江苏龙源金属科技有限公司 | Steel-aluminum composite board and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 两道次热轧法制备钢/铝复合板的结合性能研究;焦宏等;《新技术新工艺》;20151009(第8期);全文 * |
| 热轧法对钢/铝板界面组织和力学性能的影响;李昊东;《城市建设理论研究》;20160519;第5卷(第31期);全文 * |
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