CN106890850A - A kind of vacuum hot rolling method of composite metal plate - Google Patents
A kind of vacuum hot rolling method of composite metal plate Download PDFInfo
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- CN106890850A CN106890850A CN201710124787.6A CN201710124787A CN106890850A CN 106890850 A CN106890850 A CN 106890850A CN 201710124787 A CN201710124787 A CN 201710124787A CN 106890850 A CN106890850 A CN 106890850A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/06—Thermomechanical rolling
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- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a kind of vacuum hot rolling method of composite metal plate, its method technique is：（1）The composite surface of cleaning plied timber and parent metal；（2）By the composite surface of plied timber and parent metal with respect to mounted on top, then weld, and leave unwelded mouth；（3）Air-breathing medicament is added between composite surface by unwelded mouth, then unwelded mouth is welded, composite plate blanks are made；（4）The composite plate blanks are heated, rolling and post-process, you can obtain described composite metal plate.This method using air-breathing medicament by composite surface in air in space nitrogen and oxygen reaction fall, form non-oxide vacuum environment, be conducive to avoiding the contact surface of plied timber and parent metal in heating process from being aoxidized with air.This method has the advantages that high efficiency, low cost, low energy consumption, simple to operate, it is possible to does not use vaccum-pumping equipment and vacuum chamber, solves investment and operational issue that vacuum equipment brings.
Description
Technical field
The present invention relates to a kind of vacuum hot rolling method of preparation method of composite plate, especially a kind of composite metal plate.
Background technology
Composite metal plate is made up of multilayer heterogeneity, the metal composite of different performance, can have plied timber and base concurrently
The performance of layer metal, it is also possible to expensive composite-layer metal is substituted using cheap base layer metal, with reduces cost.Therefore, city
There is huge demand on field to composite metal plate, including：Stainless Steel Steel Clad Plate, abrasion-resistant stee-steel composite board etc..In order to have
The reduces cost of effect, economize on resources and avoid waste, current petrochemical industry, desalinization, generating, shipbuilding and transportation pipe
The department such as the Grand Equipments such as line industry and papermaking, food and medicine equipment all gradually adopts stainless steel clad plate to replace passing
The stainless steel products of costliness of uniting.Stainless steel clad plate is that, with carbon steel as basic unit, stainless steel is combined for the laminated metal base of coating
Material.It can give full play to the high temperature resistant of stainless steel, it is anti-corrosion, wear-resisting, diamagnetic the features such as, and with the good solderability of carbon steel,
Mouldability, drawability and thermal conductivity；And compared with pure stainless steel plate, the alloying elements such as chromium, nickel 70%~80% can be saved, save
Cost 30%~50%.
At present, the preparation method of composite metal plate mainly has soldering composite algorithm, explosion composite method and vacuum rolling composite algorithm.
Vacuum hot rolling turns into the preparation technology for generally using in the world at present, and it is under effect, to make stainless while temperature and pressure
Interface between steel plate and carbon steel sheet is closely contacted with each other after it there is microcosmic plastic flow close in the state of vacuum, so that
Reach complete metallurgical binding.Compared with soldering composite algorithm, composite plate bond strength prepared by vacuum rolling composite algorithm is high, with reference to
Face quality is good.Compared with explosion welding method, with noiseless, production efficiency is high, and process control, effect on environment is small, can be big
The advantages such as area large-scale production.
At present, it is general using staying pipe after welding, using vacuum equipment sealed after being vacuumized when prepared by laboratory or small lot
Method, prepare the composite blank of vacuum hot rolling.The vacuum rolling composite algorithm of large-scale production is before Rolling compund, by clearly
The plied timber and parent metal managed are clamped, and are put into vacuum chamber, are evacuated to air pressure≤1.0 × 10-2MPa, and use electronics
Then the surrounding soldering and sealing of plate face to be composite is carried out heating rolling by beam again；During by this kind of method, compound interface oxidation is little,
Mixed binding intensity is higher, but need to build supporting vacuum chamber in production, using vaccum-pumping equipment, invest larger, cost compared with
It is high.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of process is simple, the vacuum hot rolling of the composite metal plate of low cost
Method.
In order to solve the above technical problems, the method technique that the present invention is taken is：（1）Cleaning plied timber and parent metal
Composite surface；
（2）By the composite surface of plied timber and parent metal with respect to mounted on top, then weld, and leave unwelded mouth；
（3）Air-breathing medicament is added between composite surface by unwelded mouth, then unwelded mouth is welded, composite plate blanks are made；
（4）The composite plate blanks are heated, rolling and post-process, you can obtain described composite metal plate.
Step of the present invention（1）In, the surface roughness of the composite surface after cleaning is Ra=0.8~50.Preferably,
The surface roughness is Ra=3.2~25.
Step of the present invention（3）In, the main component of air-breathing medicament is active metal powder and activated carbon powder, and granularity is 50
~2000 mesh.The weight content of the air-breathing medicine component is：Aluminium zinc-magnesium titanium mixed metal powder 30%~60%, activated carbon powder 10%
~20%, remaining is bonding agent.Magnesium powder and titanium valve account for 10wt%~30wt%, balance of aluminium powder and zinc in the mixed metal powder
Powder.The granularity of powder is 100~400 mesh in the air-breathing medicament.The addition of the air-breathing medicament presses the binding face of composite plate
Integrating is 1~50g/m2。
Step of the present invention（2）In, leave unwelded mouth in the one or both ends of length direction.The unwelded mouth
Length is 10~50mm.
Present inventive concept is：In existing vacuum composite rolling technology, more using welding after vacuumized using vacuum equipment or
Person welds in sufficiently large vacuum chamber, the problems such as so bringing the requirement of sealed after being vacuumized operating technology high or invest big,
Have impact on large scale application.And the present invention stays an osculum using after the welding of two-layer blank surrounding, then by air-breathing medicament
The mode of addition and then again welded seal, makes air-breathing medicament in subsequent heating process by the air of two-layer blank residual
Oxygen and nitrogen react, so as to form vacuum environment between plied timber, it is to avoid the oxidation of metal faying face, the gold of acquisition
Category composite plate has interface bond strength higher.
It is using the beneficial effect produced by above-mentioned technical proposal：（1）During the assembly of composite blank, process
The welding of plied timber and parent metal carried out under air ambient, set without building vacuum chamber and purchasing to vacuumize
Standby, low cost is simple to operate.
（2）The present invention using air-breathing medicament addition by plied timber and parent metal contact surface air in space
Middle nitrogen and oxygen reaction fall, and form non-oxide vacuum environment, are conducive to avoiding plied timber and basic unit's gold in heating process
The contact surface of category is aoxidized with air.Compared with traditional vacuum method hot rolling method, the problem of oxidation of contact surface can be solved, carried
The bond strength of plied timber high and parent metal；And without vaccum-pumping equipment and vacuum chamber, early investment is relatively low.
（3）Air-breathing medicament in the present invention is added to head or afterbody in composite blank, so being remained after medicament reaction
Oxide also be located at the head or tail of finished product, after rolling only need to according to common traditional vacuum rolling shearing corresponding size end to end,
Do not influence lumber recovery.
In sum, the present invention has the advantages that high efficiency, low cost, low energy consumption, simple to operate, it is possible to does not use and takes out
Vacuum equipment and vacuum chamber, solve investment and operational issue that vacuum equipment brings；The compound interface of prepared composite plate
Shear strength is far above the standard requirement of related GB.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the cross section structure schematic diagram of composite plate blanks before air-breathing medicament addition of the present invention；
Fig. 2 is the cross section structure schematic diagram of composite plate blanks after air-breathing medicament addition of the present invention.
In figure：Plied timber 1, parent metal 2, unwelded mouth 3, weld seam 4.
Specific embodiment
The vacuum hot rolling method of this composite metal plate uses following processing steps：（1）Cleaning plied timber and parent metal
Composite surface；Manner of cleaning up is：Using car or the method for milling or plane or mill, on a face of removal plied timber and parent metal
Rusty scale and oxide layer, the impurity such as greasy dirt of cleaning removal composite surface so that the table of the composite surface of plied timber and parent metal
Surface roughness Ra=0.8~50, preferably Ra=3.2~25.
（2）By the composite surface of plied timber and parent metal with respect to mounted on top, then protect weldering, argon arc welding using two or bury
Arc welding, one end of length direction leave one section without welding unwelded mouth, as shown in figure 1, or length direction two
One section of unwelded mouth without welding is respectively left at end, and the length of unwelded mouth is 10~50mm.
（3）Air-breathing medicament is added between composite surface by unwelded mouth, then unwelded mouth is welded, composite plate is made
Base, such composite plate blanks all round closure welding, is internally formed closing space, as shown in Figure 2；The main component of air-breathing medicament is work
Property metal powder and activated carbon powder, granularity is 50~2000 mesh, preferably 100~400 mesh.The weight of preferred air-breathing medicine component
Content is：Aluminium zinc-magnesium titanium mixed metal powder 30%~60%, activated carbon powder 10%~20%, remaining is bonding agent.The hybrid metal
Magnesium powder and titanium valve account for 10wt%~30wt%, balance of aluminium powder and zinc powder in powder.The bonding agent can select conventional metal powder
End adhesive, such as polyethylene glycol, polyvinyl alcohol etc..The addition of the air-breathing medicament is by the binding face integrating of composite plate
1~50g/m2。
（4）The composite plate blanks are heated in being put into heating furnace, are added according to the conventional production heating cycle of plied timber
Thermal control；Composite plate blanks after heating are rolled, the start rolling temperature of rolling, finishing temperature and roller repairing technique are according to multiple
The conventional production process of layer metal is rolled, 0.2~5m/s of mill speed, total reduction >=50%；Finally according to plied timber
Conventional production process post-processed, you can obtain described composite metal plate.
Embodiment 1：The concrete technology of the vacuum hot rolling method of this composite metal plate is as described below.
The model Q420 of plied timber in the present embodiment, size thickness × width x length is 50mm × 200mm × 400mm；Base
Layer metal is Q235 carbon structural steels, and size thickness × width x length is 20mm × 200mm × 400mm.
Two kinds of compound composite surfaces of steel needs are carried out into milling using milling machine, its corrosion, oxide layer and surface and oil contaminant is removed
Deng；Two composite surfaces are Ra=3.2.By composite surface with respect to mounted on top, welded with argon arc welding, 20mm is stayed in length direction one end
Unwelded mouth.By 43.75g/m2Fitting area adds air-breathing medicament 3.5g along unwelded mouth, and is welded unwelded mouth with argon arc welding
Connect.The weight item of air-breathing medicament is：Aluminium zinc-magnesium titanium mixed metal powder 40%, activated carbon powder 15%, remaining is bonding modifying agent；Grain
It is 100~200 mesh to spend；Magnesium powder and titanium valve account for 20wt%, aluminium powder 35wt% and zinc powder 25wt% in the mixed metal powder.Will be multiple
Plywood base is heated in being put into heating furnace, with 2h from room temperature to 1150 DEG C, is incubated 1h.Composite plate blanks after heating are rolled
System, is rolled 1050 DEG C of start rolling temperature, 7mm thickness is rolled to using 7 passages, and 0.8~1.3m/s of mill speed, total reduction 90% rolls
After be air cooled to room temperature, you can obtain described composite metal plate.
The present embodiment gained composite metal plate carries out shearing test, and its shear strength is 449MPa.
Embodiment 2：The concrete technology of the vacuum hot rolling method of this composite metal plate is as described below.
The model 410s stainless steels of plied timber in the present embodiment, size thickness × width x length be 9mm × 450mm ×
500mm；Parent metal is Q235 carbon structural steels, and size thickness × width x length is 48mm × 450mm × 500mm.
Need compound composite surface to be ground two kinds of steel using grinding machine, remove its corrosion, oxide layer and surface and oil contaminant
Deng；Two composite surfaces are Ra=1.6.By composite surface with respect to mounted on top, welded with argon arc welding, 30mm is stayed in length direction one end
Unwelded mouth.By 33.33g/m2Fitting area adds air-breathing medicament 7.5g along unwelded mouth, and is welded unwelded mouth with argon arc welding
Connect.The weight item of air-breathing medicament is：Aluminium zinc-magnesium titanium mixed metal powder 30%, activated carbon powder 18%, remaining is bonding modifying agent；Grain
It is 200~300 mesh to spend；Magnesium powder 20wt%, titanium valve 25wt%, aluminium powder 25wt% and zinc powder 30wt% in the mixed metal powder.Will be multiple
Plywood base is heated in being put into heating furnace, with 3h from room temperature to 1240 DEG C, is incubated 1.5h.Composite plate blanks after heating are carried out
Rolling, is rolled 1150 DEG C of start rolling temperature, 20mm thickness, 0.8~1.3m/s of mill speed, total reduction is rolled to using 5 passages
65%, it is air cooled to room temperature after rolling, you can obtain described composite metal plate.
The present embodiment gained composite metal plate carries out shearing test, and its shear strength is 470MPa.
Embodiment 3：The concrete technology of the vacuum hot rolling method of this composite metal plate is as described below.
The stainless steel of model 304 of plied timber in the present embodiment, size thickness × width x length be 5mm × 300mm ×
400mm；Parent metal is Q235 carbon structural steels, and size thickness × width x length is 25mm × 300mm × 400mm.
Need compound composite surface to be planed two kinds of steel using shaping machine, remove its corrosion, oxide layer and surface
Greasy dirt etc.；Two composite surfaces are Ra=6.3.By composite surface with respect to mounted on top, welded with argon arc welding, stayed in length direction one end
The unwelded mouths of 25mm.By 25g/m2Fitting area adds air-breathing medicament 3g along unwelded mouth, and is welded unwelded mouth with argon arc welding
Connect.The weight item of air-breathing medicament is：Aluminium zinc-magnesium titanium mixed metal powder 50%, activated carbon powder 10%, remaining is bonding modifying agent；Grain
It is 300~400 mesh to spend；Magnesium powder 15wt%, titanium valve 20wt%, aluminium powder 10wt% and zinc powder 55wt% in the mixed metal powder.Will be multiple
Plywood base is heated in being put into heating furnace, with 2.5h from room temperature to 1200 DEG C, is incubated 1h.Composite plate blanks after heating are carried out
Rolling, is rolled 1120 DEG C of start rolling temperature, 5mm thickness, mill speed 1.0m/s, total reduction 83%, after rolling is rolled to using 5 passages
It is air cooled to room temperature, you can obtain described composite metal plate.
The present embodiment gained composite metal plate carries out shearing test, and its shear strength is 330MPa.
Embodiment 4：The concrete technology of the vacuum hot rolling method of this composite metal plate is as described below.
The model Q420 of plied timber in the present embodiment, size thickness × width x length is 50mm × 200mm × 400mm；Base
Layer metal is Q235 carbon structural steels, and size thickness × width x length is 20mm × 200mm × 400mm.
Two kinds of compound composite surfaces of steel needs are carried out into milling using milling machine, its corrosion, oxide layer and surface and oil contaminant is removed
Deng；Two composite surfaces are Ra=6.3.By composite surface with respect to mounted on top, with submerged arc welding, 40mm is stayed in length direction one end
Unwelded mouth.By 50g/m2Fitting area adds air-breathing medicament 4g along unwelded mouth, and is welded unwelded mouth with submerged-arc welding.Inhale
The weight item of gas medicament is：Aluminium zinc-magnesium titanium mixed metal powder 60%, activated carbon powder 12%, remaining is bonding modifying agent；Granularity is
150~250 mesh；Magnesium powder 25wt%, titanium valve 30wt%, aluminium powder 20wt% and zinc powder 25wt% in the mixed metal powder.By composite plate
Base is heated in being put into heating furnace, with 2h from room temperature to 1150 DEG C, is incubated 1h.Composite plate blanks after heating are rolled,
Roll 1050 DEG C of start rolling temperature, 7mm thickness, 0.8~1.3m/s of mill speed, total reduction 90%, after rolling are rolled to using 7 passages
It is air cooled to room temperature, you can obtain described composite metal plate.
The present embodiment gained composite metal plate carries out shearing test, and its shear strength is 405MPa.
Embodiment 5：The concrete technology of the vacuum hot rolling method of this composite metal plate is as described below.
The stainless steel of model 304 of plied timber in the present embodiment, size thickness × width x length be 5mm × 300mm ×
400mm；Parent metal is Q235 carbon structural steels, and size thickness × width x length is 25mm × 300mm × 400mm.
Need compound composite surface to be planed two kinds of steel using planer, remove its corrosion, oxide layer and surface and oil contaminant
Deng；Plied timber composite surface is Ra=25, and parent metal is Ra=12.5.By composite surface with respect to mounted on top, weldering welding is protected with two,
The unwelded mouths of 50mm are stayed in length direction one end.By 10g/m2Fitting area adds air-breathing medicament 1.2g along unwelded mouth, is used in combination
Two protect weldering by the welding of unwelded mouth.The weight item of air-breathing medicament is：Aluminium zinc-magnesium titanium mixed metal powder 45%, activated carbon powder 20%,
Remaining is bonding modifying agent；Granularity is 250~350 mesh；Magnesium powder 10wt%, titanium valve 25wt%, aluminium powder in the mixed metal powder
35wt% and zinc powder 30wt%.Composite plate blanks are put into heating furnace and are heated, with 2.5h from room temperature to 1200 DEG C, be incubated 1h.
Composite plate blanks after heating are rolled, 1120 DEG C of start rolling temperature is rolled, is rolled to 5mm thickness, mill speed using 5 passages
1.0m/s, total reduction 60% is air cooled to room temperature after rolling, you can obtain described composite metal plate.
The present embodiment gained composite metal plate carries out shearing test, and its shear strength is 350MPa.
Embodiment 6：The concrete technology of the vacuum hot rolling method of this composite metal plate is as described below.
The model 410s stainless steels of plied timber in the present embodiment, size thickness × width x length be 9mm × 450mm ×
500mm；Parent metal is Q235 carbon structural steels, and size thickness × width x length is 48mm × 450mm × 500mm.
Need compound composite surface to be planed two kinds of steel using planer, remove its corrosion, oxide layer and surface and oil contaminant
Deng；Composite surface is Ra=50.By composite surface with respect to mounted on top, with submerged arc welding, 30mm is stayed not weld in length direction one end
Interface.By 50g/m2Fitting area adds air-breathing medicament 11.25g along unwelded mouth, and is welded unwelded mouth with submerged-arc welding.Inhale
The weight item of gas medicament is：Aluminium zinc-magnesium titanium mixed metal powder 35%, activated carbon powder 15%, remaining is bonding modifying agent；Granularity is
50~90 mesh；Magnesium powder 30wt%, titanium valve 10wt%, aluminium powder 50wt% and zinc powder 10wt% in the mixed metal powder.After heating
Composite plate blanks are rolled, and roll 1150 DEG C of start rolling temperature, 20mm thickness, 0.8~1.3m/ of mill speed are rolled to using 5 passages
S, total reduction 65% is air cooled to room temperature after rolling, you can obtain described composite metal plate.
The present embodiment gained composite metal plate carries out shearing test, and its shear strength is 460MPa.
Embodiment 7：The concrete technology of the vacuum hot rolling method of this composite metal plate is as described below.
The model Q420 of plied timber in the present embodiment, size thickness × width x length is 50mm × 200mm × 400mm；Base
Layer metal is Q235 carbon structural steels, and size thickness × width x length is 20mm × 200mm × 400mm.
Need compound composite surface to be ground two kinds of steel using grinding machine, remove its corrosion, oxide layer and surface and oil contaminant
Deng；Plied timber composite surface is Ra=0.8, and parent metal is Ra=1.6.By composite surface with respect to mounted on top, weldering welding is protected with two,
The unwelded mouths of 10mm are stayed in length direction one end.By 1g/m2Fitting area adds air-breathing medicament 0.08g along unwelded mouth, is used in combination
Two protect weldering by the welding of unwelded mouth.The weight item of air-breathing medicament is：Aluminium zinc-magnesium titanium mixed metal powder 55%, activated carbon powder 14%,
Remaining is bonding modifying agent；Granularity is 1800~2000 mesh；Magnesium powder 25wt%, titanium valve 25wt%, aluminium powder in the mixed metal powder
30wt% and zinc powder 20wt%.Composite plate blanks are put into heating furnace and are heated, with 2h from room temperature to 1150 DEG C, be incubated 1h.It is right
Composite plate blanks after heating are rolled, and roll 1050 DEG C of start rolling temperature, 7mm thickness, mill speed 0.8 are rolled to using 7 passages
~1.3m/s, total reduction 90% is air cooled to room temperature after rolling, you can obtain described composite metal plate.
The present embodiment gained composite metal plate carries out shearing test, and its shear strength is 380MPa.
Claims (10)
1. a kind of vacuum hot rolling method of composite metal plate, it is characterised in that its method technique is：（1）Cleaning plied timber and
The composite surface of parent metal；
（2）By the composite surface of plied timber and parent metal with respect to mounted on top, then weld, and leave unwelded mouth；
（3）Air-breathing medicament is added between composite surface by unwelded mouth, then unwelded mouth is welded, composite plate blanks are made；
（4）The composite plate blanks are heated, rolling and post-process, you can obtain described composite metal plate.
2. the vacuum hot rolling method of a kind of composite metal plate according to claim 1, it is characterised in that：The step（1）
In, the surface roughness of the composite surface after cleaning is Ra=0.8~50.
3. the vacuum hot rolling method of a kind of composite metal plate according to claim 2, it is characterised in that：The rough surface
Degree is Ra=3.2~25.
4. the vacuum hot rolling method of a kind of composite metal plate according to claim 1, it is characterised in that：The step（3）
In, the main component of air-breathing medicament is active metal powder and activated carbon powder, and granularity is 50~2000 mesh.
5. a kind of vacuum hot rolling method of composite metal plate according to claim 4, it is characterised in that the air-breathing medicament
The weight content of composition is：Aluminium zinc-magnesium titanium mixed metal powder 30%~60%, activated carbon powder 10%~20%, remaining is bonding agent.
6. the vacuum hot rolling method of a kind of composite metal plate according to claim 4, it is characterised in that：The hybrid metal
Magnesium powder and titanium valve account for 10wt%~30wt%, balance of aluminium powder and zinc powder in powder.
7. the vacuum hot rolling method of a kind of composite metal plate according to claim 4, it is characterised in that：The air-breathing medicament
The granularity of middle powder is 100~400 mesh.
8. the vacuum hot rolling method of a kind of composite metal plate according to claim 4, it is characterised in that：The air-breathing medicament
Addition by composite plate binding face integrating be 1~50g/m2。
9. the vacuum hot rolling method of a kind of composite metal plate according to claim 1-8 any one, it is characterised in that：
The step（2）In, leave unwelded mouth in the one or both ends of length direction.
10. the vacuum hot rolling method of a kind of composite metal plate according to claim 9, it is characterised in that：It is described unwelded
The length of mouth is 10~50mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465309A (en) * | 2018-11-06 | 2019-03-15 | 鞍钢股份有限公司 | Production method of titanium steel composite board |
| CN111822718A (en) * | 2020-07-07 | 2020-10-27 | 鞍钢股份有限公司 | Method for preparing stainless steel composite plate through powder metallurgy-hot rolling |
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| CN104014497A (en) * | 2013-02-28 | 2014-09-03 | 细美事有限公司 | Nozzle assembly, substrate treatment apparatus, and method of treating substrate |
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Application publication date: 20170627 |