CN105598166A - Different-temperature rolling method for preparing stainless steel and carbon steel composite board - Google Patents
Different-temperature rolling method for preparing stainless steel and carbon steel composite board Download PDFInfo
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- CN105598166A CN105598166A CN201610005016.0A CN201610005016A CN105598166A CN 105598166 A CN105598166 A CN 105598166A CN 201610005016 A CN201610005016 A CN 201610005016A CN 105598166 A CN105598166 A CN 105598166A
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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
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
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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
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
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- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Metal Rolling (AREA)
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Abstract
The invention provides a different-temperature rolling method for preparing a stainless steel and carbon steel composite board. The different-temperature rolling method comprises the following steps: S1, blank preparation; S2, composite blank pre-heating; S3, composite blank induction-heating; S4, different-temperature rolling. An electromagnetic induction heating method is introduced into a hot-rolling composite process for preparing the stainless steel and carbon steel composite board to perform secondary heating on a stainless steel layer of an integrally-heated composite blank; the deformation resistance difference between the stainless steel layer and a carbon steel layer is reduced through controlling the temperature difference between the stainless steel layer and the carbon steel layer of the composite blank, so that the deformation of the stainless steel layer and the carbon steel layer in the rolling deformation process is more coordinated, therefore, the warping after a single-sided stainless steel composite blank is rolled can be reduced, even eliminated, and the internal residual stress after a double-sided stainless steel composite blank is rolled can be reduced.
Description
Technical field
The present invention relates to a kind of composite metal plate method of manufacturing technology, relate to particularly one prepare stainless steel withThe different temperature rolling method of carbon steel composite board.
Background technology
Stainless steel and carbon steel composite board be the single-side stainless steel that is combined into carbon steel base layer and stainless steel cladding withCarbon steel composite board or two-sided stainless steel and carbon steel composite board. Stainless steel and carbon steel composite board not only have stainless steelCorrosion resistance, there is mechanical strength and the processing characteristics that carbon steel is good again, be novel industrial products.
Stainless steel and carbon steel composite board industrialized preparing process, mainly contain blast composite algorithm and hot rolling composite algorithm.
Blast composite algorithm is to be placed on carbon steel substrate overlapping corrosion resistant plate, between corrosion resistant plate and carbon steel substrateWith being separated out certain distance between mat. The explosive that tiles above corrosion resistant plate, the energy of explosive charge makes stainless steelPlate high-speed impact carbon steel substrate, produces HTHP and makes the interface of bi-material realize Solid-phase welding. Its advantageBe: be easy to realize multilayer material compound, compound interface is corrugated, and bond strength is high; Its shortcoming is: ringEnvironment pollution is serious, and product size scope is little, is unsuitable for producing in enormous quantities.
Hot rolling composite algorithm is in physics pure state, in high vacuum condition with carbon steel substrate and corrosion resistant plateUnder be rolled and form, in the operation of rolling, two kinds of metals diffusions realize metallurgical binding completely.
Existing hot rolling composite algorithm is produced stainless steel and the concrete implementation step of carbon steel composite board is: remove stainless steel 1.With the oxide of to be composite of carbon steel and clean up; By to be composite of stainless steel and carbon steel just to stacking,Edge welding is obturaged and by inside, the recombination region state that is evacuated, is obtained single-side stainless steel composite billet or two-sidedThe compound base of stainless steel; 3. composite billet is put into after heating furnace is heated to 1000～1300 DEG C and be rolled and obtain againPlywood; 4. the composite plate trimming processing after pair rolling obtains finished product.
The advantage that existing hot rolling composite algorithm is produced stainless steel and carbon steel composite board is: equipment is simple, product sizeScope is large, and production efficiency is high, is applicable to producing in enormous quantities; Its shortcoming is: under uniform temp, and stainless steelResistance of deformation be greater than the resistance of deformation of carbon steel, in rolling deformation process, stainless steel and carbon steel are out of shape notCoordinate, cause single-side stainless steel and carbon steel composite billet can warpage easily occur after rolling, for two-sided stainless steelCan after rolling, leave larger residual stress in inside with carbon steel composite billet.
Summary of the invention
Produce the shortcoming of stainless steel and carbon steel composite board existence based on above-described existing hot rolling composite algorithm,The object of the present invention is to provide one to make stainless steel and carbon steel composite billet stainless steel layer and carbon in the operation of rollingThe distortion of steel layer more coordinated, to reduce even to stop the warpage after single-side stainless steel and the rolling of carbon steel composite billet, rightAfter two-sided stainless steel and carbon steel composite billet can reduce its rolling, the electromagnetic induction of inner residual stress addsHot different temperature rolling is prepared the method for stainless steel/carbon composite plate.
Technical scheme of the present invention is as follows:
A different temperature rolling method of preparing stainless steel and carbon steel composite board, it comprises the following steps:
S1, preparation blank: choose the measure-alike stainless steel blank of length and width and carbon steel blank, remove stainless steelBlank and carbon steel blank treat the oxide layer of faying face and clean up, and stainless steel blank treated to faying face and carbonThe faying face for the treatment of of steel billet material is abutted together to be composite of formation, carries out soldering and sealing and take out on the periphery of to be compositeApplication of vacuum obtains composite billet, and described composite billet comprises stainless steel layer and carbon steel layer;
S2, composite billet preheat: described composite billet entirety is preheated to 1000～1250 DEG C with heater;
S3, composite billet eddy-current heating: the stainless steel layer of the composite billet with induction heater after to described preheatingCarry out post bake, eddy-current heating frequency f kHz presses f=40～140/h^2 according to the thickness h of described stainless steel layerSelected, induction heating current adjustable range is 800～10000A, the temperature that makes described stainless steel layer than described inThe temperature entirety of carbon steel layer is high 100～250 DEG C, wherein; And
S4, different temperature rolling: the composite billet after utilizing milling train to described post bake carries out different temperature rolling, first roadInferior reduction ratio >=15%, total reduction >=50%, carbon steel layer start rolling temperature is 980～1230 DEG C, stainless steel layerStart rolling temperature is overall higher 100～250 DEG C than carbon steel layer start rolling temperature, and rolling obtains stainless steel and carbon steel composite board.
Preferably, the oxide layer wire brush of the stainless steel blank described in step S1 and carbon steel blank surfaceClear up, and clean with acetone and alcohol wipe.
Preferably, the soldering and sealing described in step S1 is to carry out in vacuum electron beam welder vacuum chamber, with trueEmpty electron beam welds.
Preferably, the heater described in step S2 is selected from high temperature box type resistance furnace, high temperature bench vehicle type electricityResistance stove or box atmosphere furnace.
Preferably, after having heated, step S2 needs described composite billet to be incubated temperature retention time 0.5～2h.
Preferably, in step S3, composite billet and induction heater relatively move, described in the speed that relatively movesAdjustable range be 0.05～0.5m/s.
Preferably, the milling train described in step S4 be selected from single chassis reversable mill, four frame tandem mill groups,Five frame connection rolling machine group or six frame tandem mill groups.
Preferably, the first passage mill speed described in step S4 is 0.05～2m/s.
Compared with prior art, the present invention introduces electromagnetic-induction heating method to prepare stainless steel and carbon steel is compoundIn plate hot rolling composite algorithm technique, the stainless steel layer of the composite billet after entirety heating is carried out to post bake, pass throughThe temperature difference of controlling composite billet stainless steel layer and carbon steel layer reduces the resistance of deformation of stainless steel layer and carbon steel layerPoor, stainless steel layer and carbon steel layer are out of shape more in rolling deformation process and coordinate, reduce thus even to stop listWarpage after the compound base rolling of face stainless steel, can reduce after rolling inner for the compound base of two-sided stainless steelResidual stress.
Brief description of the drawings
Fig. 1 is workflow schematic diagram of the present invention;
Fig. 2 is the structural representation of the induction heater of embodiments of the invention; And
Fig. 3 is the cutaway view of the induction heater of embodiments of the invention.
Detailed description of the invention
To a kind of different temperature rolling side of preparing stainless steel and carbon steel composite board of the present invention be described by embodiment belowThe processing step of method.
A different temperature rolling method of preparing stainless steel and carbon steel composite board, as shown in Figure 1, it comprises followingStep:
S1, preparation blank: choose the measure-alike stainless steel blank of length and width and carbon steel blank, remove stainless steelBlank and carbon steel blank treat the oxide layer of faying face and clean up, and stainless steel blank treated to faying face and carbonThe faying face for the treatment of of steel billet material is abutted together to be composite of formation, carries out soldering and sealing and take out on the periphery of to be compositeApplication of vacuum obtains composite billet, and described composite billet comprises stainless steel layer and carbon steel layer, and heater is selected from high temperatureChamber type electric resistance furnace, high temperature bench vehicle type electrical resistance furnace or box atmosphere furnace.
S2, composite billet preheat: described composite billet entirety is preheated to 1000～1250 DEG C with heater;
S3, composite billet eddy-current heating: the stainless steel layer of the composite billet with induction heater after to described preheatingCarry out post bake, eddy-current heating frequency f (KHz) is pressed according to the thickness h (millimeter) of described stainless steel layerF=40～140/h^2 is selected, induction heating current adjustable range is 800～10000A, makes described stainless steel layerTemperature is higher 100～250 DEG C than the temperature entirety of described carbon steel layer;
S4, different temperature rolling: the composite billet after utilizing milling train to described post bake carries out different temperature rolling, first roadInferior reduction ratio >=15%, total reduction >=50%, carbon steel layer start rolling temperature is 980～1230 DEG C, stainless steel layerStart rolling temperature is overall higher 100～250 DEG C than carbon steel layer start rolling temperature, and rolling obtains stainless steel and carbon steel composite board,Milling train is selected from single chassis reversable mill, four frame tandem mill groups, five frame connection rolling machine group or six frame tandem millsGroup.
As shown in Figures 2 and 3, in the present embodiment, induction heater comprises reversal of the natural order of things support 1, is arranged onMagnetic conductor 2 and one or more induction coil being mutually connected in series 3 of reversal of the natural order of things support 1 below, magnetic conductionBody 2 is fixed on reversal of the natural order of things support 1 by fixed mount 4 and thread 5, and induction coil 3 passes through fixed head6 are fixed, and fixed mount 4 is provided with pressing plate 40, and pressing plate 40 is bolted on reversal of the natural order of things with fixed head 6On support 1. In when heating, induction heater is suspended on to track top, the blank on can tracking roadCarry out eddy-current heating.
Between multiple induction coils 3, be mutually cascaded by conductive plate 7,3 liang of heads of induction coil connectThere is terminal plate 8. Induction coil 3 is fixing by connecting stud and fixed mount 4, further to induction coil 3Be fixed, prevent induction coil distortion. The both sides of induction coil 3 are respectively arranged with water inlet and water outletMouthful.
The outside of magnetic conductor 2 is arranged with induction coil 3, and it is set to one or more. Induction coil 3For hollow copper pipe, hollow space is cooling-water duct, and copper pipe is coated with insulating barrier.
Embodiment 1
Prepare single-side stainless steel and carbon steel composite board
S1, blank prepare: choose long 500mm, wide 100mm, thick 7mm stainless steel and long 500mm,Each one of wide 100mm, thick 20mm carbon steel, treat the oxidation of faying face with wire brush removal stainless steel and carbon steelLayer also cleans up with acetone and alcohol, by the faying face for the treatment of of treating faying face and carbon steel blank of stainless steel blankJust to stacking, with the soldering and sealing of vacuum electron beam edge and vacuumize, obtain single-side stainless steel composite billet;
S2, composite billet preheat: the composite billet entirety obtaining in S1 is heated to high temperature box type resistance furnace1000 DEG C, insulation 2h;
S3, composite billet eddy-current heating: the stainless steel with induction heater to the composite billet after preheating in S2Layer carries out post bake, induction heating current size 4200A, frequency 2.5kHz, composite billet and eddy-current heatingThe relative moving speed of device is 0.05m/s;
S4, different temperature rolling: with five frame connection rolling machine group in S3 heating after composite billet carry out different temperature rolling,First passage mill speed is 0.05m/s, first percentage pass reduction 15%, total reduction 50%, carbon steel layer entiretyStart rolling temperature is 980～1000 DEG C, and stainless steel layer start rolling temperature is higher than carbon steel layer start rolling temperature entirety230～250 DEG C, there is not obvious warping phenomenon in the single-side stainless steel obtaining and carbon steel composite board.
Embodiment 2
Prepare two-sided stainless steel and carbon steel composite board
S1, blank are prepared: choose two block length 500mm, wide 100mm, thick 3mm stainless steel and a block length500mm, wide 100mm, thick 10mm carbon steel, remove stainless steel and carbon steel and treat the oxygen of faying face with wire brushChange layer and also clean up with acetone and alcohol, by the combination for the treatment of of treating faying face and carbon steel blank of stainless steel blankFace is just to stacking, and with the soldering and sealing of vacuum electron beam edge and vacuumize, obtains the compound base of two-sided stainless steel;
S2, composite billet preheat: the composite billet entirety obtaining in S1 is heated to high temperature box type resistance furnace1250 DEG C, insulation 0.5h;
S3, composite billet eddy-current heating: with induction heater successively to the composite billet after preheating in S2 twoFace stainless steel layer carries out post bake, induction heating current size 2200A, frequency 10kHz, composite billet withThe relative moving speed of top layer induction heater is 0.1m/s;
S4, different temperature rolling: with five frame connection rolling machine group in S3 heating after composite billet carry out different temperature rolling,First passage mill speed is 1m/s, first percentage pass reduction 20%, total reduction 50%, carbon steel layer start rolling temperatureBe 1230～1250 DEG C, stainless steel layer start rolling temperature is overall higher 100～120 DEG C than carbon steel layer start rolling temperature.
The two-sided stainless steel that the present embodiment is obtained and the stainless steel layer of carbon steel composite board carry out residual stress surveyExamination, average residual residue stress is 21.3MPa, to the two-sided stainless steel that adopts the rolling of existing hot rolling composite algorithm to obtainCarry out residual stress test with carbon steel composite board stainless steel layer, draw residual stress is 38.7MPa. With existingHot rolling composite algorithm is compared, and the present invention can reduce residual stress inner after the compound base rolling of two-sided stainless steel.
Finally it should be noted that: above-described each embodiment is only for technical scheme of the present invention is described, andNon-to its restriction; Although the present invention is had been described in detail with reference to previous embodiment, this area commonTechnical staff is to be understood that: its technical scheme that still can record previous embodiment is modified, orPerson to wherein partly or entirely technical characterictic be equal to replacement; And these amendments or replacement do not make correspondingThe essence of technical scheme departs from the scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a different temperature rolling method of preparing stainless steel and carbon steel composite board, is characterized in that, it comprise withLower step:
S1, preparation blank: choose the measure-alike stainless steel blank of length and width and carbon steel blank, remove stainless steelBlank and carbon steel blank treat the oxide layer of faying face and clean up, and stainless steel blank treated to faying face and carbonThe faying face for the treatment of of steel billet material is abutted together to be composite of formation, carries out soldering and sealing and take out on the periphery of to be compositeApplication of vacuum obtains composite billet, and described composite billet comprises stainless steel layer and carbon steel layer;
S2, composite billet preheat: described composite billet entirety is preheated to 1000～1250 DEG C with heater;
S3, composite billet eddy-current heating: the stainless steel layer of the composite billet with induction heater after to described preheatingCarry out post bake, eddy-current heating frequency f kHz presses f=40～140/h^2 according to the thickness h of described stainless steel layerSelected, induction heating current adjustable range is 800～10000A, the temperature that makes described stainless steel layer than described inThe temperature entirety of carbon steel layer is high 100～250 DEG C; And
S4, different temperature rolling: the composite billet after utilizing milling train to described post bake carries out different temperature rolling, first roadInferior reduction ratio >=15%, total reduction >=50%, carbon steel layer start rolling temperature is 980～1230 DEG C, stainless steel layerStart rolling temperature is overall higher 100～250 DEG C than carbon steel layer start rolling temperature, and rolling obtains stainless steel and carbon steel composite board.
2. the different temperature rolling method of preparing stainless steel and carbon steel composite board according to claim 1, its spyLevy and be, the oxide layer of the stainless steel blank described in step S1 and carbon steel blank surface is carried out with wire brushCleaning, and clean with acetone and alcohol wipe.
3. the different temperature rolling method of preparing stainless steel and carbon steel composite board according to claim 1 and 2,It is characterized in that, the soldering and sealing described in step S1 is to carry out in vacuum electron beam welder vacuum chamber, with trueEmpty electron beam welds.
4. the different temperature rolling method of preparing stainless steel and carbon steel composite board according to claim 3, its spyLevy and be, the heater described in step S2 is selected from high temperature box type resistance furnace, high temperature bench vehicle type electrical resistance furnaceOr box atmosphere furnace.
5. the different temperature rolling method of preparing stainless steel and carbon steel composite board according to claim 1, its spyLevy and be, after step S2 has heated, need described composite billet to be incubated temperature retention time 0.5～2h.
6. the different temperature rolling method of preparing stainless steel and carbon steel composite board according to claim 1, its spyLevy and be, in step S3, composite billet and induction heater relatively move, described in the tune of the speed that relatively movesAdjusting range is 0.05～0.5m/s.
7. the different temperature rolling method of preparing stainless steel and carbon steel composite board according to claim 1, its spyLevy and be, the milling train described in step S4 is selected from single chassis reversable mill, four frame tandem mill groups, five machinesFrame tandem rolling unit or six frame tandem mill groups.
8. the different temperature rolling method of preparing stainless steel and carbon steel composite board according to claim 1, its spyLevy and be, the first passage mill speed described in step S4 is 0.05～2m/s.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938278A (en) * | 2017-04-20 | 2017-07-11 | 舞阳钢铁有限责任公司 | A kind of Rolling compund method of stainless steel clad plate |
| CN107185961A (en) * | 2017-06-15 | 2017-09-22 | 西安天力金属复合材料有限公司 | A kind of preparation method of big specification, thin cladding nickel-base alloy/pipeline steel composite board |
| CN108114980A (en) * | 2017-12-21 | 2018-06-05 | 燕山大学 | The method for preparing titanium-magnesium composition plate using the straight rolling of the different temperature of electromagnetic induction heating |
| CN108421825A (en) * | 2018-03-20 | 2018-08-21 | 燕山大学 | The method for preparing Steel-aluminium composite board using electromagnetic induction heating rolling mill practice |
| CN109226263A (en) * | 2018-11-08 | 2019-01-18 | 瓯锟科技温州有限公司 | A kind of different temperature rolling method preparing stainless steel and carbon steel composite board |
| CN109647883A (en) * | 2019-01-08 | 2019-04-19 | 安徽工业大学 | A method of preventing rolled metal composite plate interface oxidation |
| CN110465547A (en) * | 2019-08-07 | 2019-11-19 | 太原科技大学 | A kind of dissimilar metal clad plate goes residual stress to enhance compound method |
| CN110948965A (en) * | 2019-12-13 | 2020-04-03 | 东北石油大学 | Stainless steel-carbon steel-stainless steel composite plate for storage and transportation pressure container and manufacturing method thereof |
| CN111069288A (en) * | 2019-12-26 | 2020-04-28 | 安徽宝泰特种材料有限公司 | Heating method before rolling of titanium plate blank |
| CN111085547A (en) * | 2019-12-25 | 2020-05-01 | 山东钢铁集团日照有限公司 | Manufacturing method of asymmetric dissimilar material hot-rolled composite coil |
| CN111559134A (en) * | 2020-04-20 | 2020-08-21 | 哈尔滨工业大学（威海） | Composite board and preparation method thereof |
| CN112934964A (en) * | 2021-01-25 | 2021-06-11 | 太原理工大学 | Physical vapor deposition and laser energy field assisted metal composite strip rolling method |
| CN113399457A (en) * | 2021-05-10 | 2021-09-17 | 北京交通大学 | Hot rolling process method for duplex stainless steel-carbon steel composite plate |
| CN113909299A (en) * | 2021-09-08 | 2022-01-11 | 舞阳钢铁有限责任公司 | Production method of stainless steel composite board |
| WO2022082976A1 (en) * | 2020-10-19 | 2022-04-28 | 太原理工大学 | Friction roller action-based composite belt different-temperature rolling method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106938278A (en) * | 2017-04-20 | 2017-07-11 | 舞阳钢铁有限责任公司 | A kind of Rolling compund method of stainless steel clad plate |
| CN107185961B (en) * | 2017-06-15 | 2019-08-06 | 西安天力金属复合材料有限公司 | A kind of big specification, thin cladding nickel-base alloy/pipeline steel composite board preparation method |
| CN107185961A (en) * | 2017-06-15 | 2017-09-22 | 西安天力金属复合材料有限公司 | A kind of preparation method of big specification, thin cladding nickel-base alloy/pipeline steel composite board |
| CN108114980A (en) * | 2017-12-21 | 2018-06-05 | 燕山大学 | The method for preparing titanium-magnesium composition plate using the straight rolling of the different temperature of electromagnetic induction heating |
| CN108421825A (en) * | 2018-03-20 | 2018-08-21 | 燕山大学 | The method for preparing Steel-aluminium composite board using electromagnetic induction heating rolling mill practice |
| CN109226263A (en) * | 2018-11-08 | 2019-01-18 | 瓯锟科技温州有限公司 | A kind of different temperature rolling method preparing stainless steel and carbon steel composite board |
| CN109647883B (en) * | 2019-01-08 | 2021-01-05 | 安徽工业大学 | Method for preventing interface oxidation of rolled metal composite plate |
| CN109647883A (en) * | 2019-01-08 | 2019-04-19 | 安徽工业大学 | A method of preventing rolled metal composite plate interface oxidation |
| CN110465547A (en) * | 2019-08-07 | 2019-11-19 | 太原科技大学 | A kind of dissimilar metal clad plate goes residual stress to enhance compound method |
| CN110948965A (en) * | 2019-12-13 | 2020-04-03 | 东北石油大学 | Stainless steel-carbon steel-stainless steel composite plate for storage and transportation pressure container and manufacturing method thereof |
| CN111085547A (en) * | 2019-12-25 | 2020-05-01 | 山东钢铁集团日照有限公司 | Manufacturing method of asymmetric dissimilar material hot-rolled composite coil |
| CN111069288A (en) * | 2019-12-26 | 2020-04-28 | 安徽宝泰特种材料有限公司 | Heating method before rolling of titanium plate blank |
| CN111559134A (en) * | 2020-04-20 | 2020-08-21 | 哈尔滨工业大学（威海） | Composite board and preparation method thereof |
| CN111559134B (en) * | 2020-04-20 | 2022-04-12 | 哈尔滨工业大学（威海） | Composite board and preparation method thereof |
| WO2022082976A1 (en) * | 2020-10-19 | 2022-04-28 | 太原理工大学 | Friction roller action-based composite belt different-temperature rolling method and device |
| CN112934964A (en) * | 2021-01-25 | 2021-06-11 | 太原理工大学 | Physical vapor deposition and laser energy field assisted metal composite strip rolling method |
| CN113399457A (en) * | 2021-05-10 | 2021-09-17 | 北京交通大学 | Hot rolling process method for duplex stainless steel-carbon steel composite plate |
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