CN109304367B - Titanium-steel-titanium composite board and preparation method thereof - Google Patents
Titanium-steel-titanium composite board and preparation method thereof Download PDFInfo
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- CN109304367B CN109304367B CN201811327623.4A CN201811327623A CN109304367B CN 109304367 B CN109304367 B CN 109304367B CN 201811327623 A CN201811327623 A CN 201811327623A CN 109304367 B CN109304367 B CN 109304367B
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- 239000002131 composite material Substances 0.000 title claims abstract description 142
- 239000010936 titanium Substances 0.000 title claims abstract description 80
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 80
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 55
- 239000010962 carbon steel Substances 0.000 claims abstract description 55
- 238000005096 rolling process Methods 0.000 claims abstract description 51
- 239000002994 raw material Substances 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000011282 treatment Methods 0.000 claims abstract description 21
- 238000009966 trimming Methods 0.000 claims abstract description 11
- 230000002427 irreversible effect Effects 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 31
- 238000003466 welding Methods 0.000 claims description 25
- 238000001953 recrystallisation Methods 0.000 claims description 20
- 238000000137 annealing Methods 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 10
- 230000003746 surface roughness Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000002411 adverse Effects 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 5
- 238000005238 degreasing Methods 0.000 claims description 5
- 235000019580 granularity Nutrition 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 5
- 238000013000 roll bending Methods 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 4
- 239000007888 film coating Substances 0.000 claims description 2
- 238000009501 film coating Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000010970 precious metal Substances 0.000 abstract description 2
- 230000007704 transition Effects 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000013329 compounding Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- 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
-
- 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
-
- 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
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to the technical field of composite plates, in particular to a titanium-steel-titanium composite plate and a preparation method thereof, wherein the titanium-steel-titanium composite plate comprises two titanium plates and a carbon steel plate, the two titanium plates are respectively fixed above and at the bottom of the carbon steel plate, and S1: firstly, selecting raw materials for manufacturing the composite board, S2: heating the treated raw material, and S3: after the raw material is heated, an irreversible warm rolling mill with large rolling force is adopted, and S4: after the rolling is finished, performing heat treatment on the rolled composite plate, wherein S5: and (3) performing stretching, straightening and flattening treatment on the heat-treated composite board, wherein S6: and (4) trimming and shaping the composite board to obtain a final composite board product for people to use. According to the invention, the raw materials are preheated and heated below the phase transition temperature, so that the wide-width composite board with comprehensive performances of high corrosion resistance surface, high strength and the like is obtained, and meanwhile, a large amount of precious metal consumption is saved.
Description
Technical Field
The invention relates to the technical field of composite boards, in particular to a titanium-steel-titanium composite board and a preparation method thereof.
Background
Titanium is considered to be a rare metal because it is dispersed and difficult to extract in nature. But it is relatively abundant, with the tenth position among all elements. The titanium ore mainly comprises ilmenite and rutile, and is widely distributed in the earth crust and rock circles. Titanium is present in almost all organisms, rocks, bodies of water and soil. Extraction of titanium from the main ore requires the use of the kroll or hunter process. Titanium has good characteristics, so that the titanium is widely used by people, but the existing simple titanium plate cannot meet the requirements of people, and therefore, a titanium-steel-titanium composite plate and a preparation method thereof are provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a titanium-steel-titanium composite plate and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the titanium-steel-titanium composite board comprises two titanium plates and a carbon steel plate, wherein the two titanium plates are respectively fixed above and at the bottom of the carbon steel plate.
Preferably, the width of the titanium plate is equal to the width of the carbon steel plate, and the thickness of the titanium plate is equal to the thickness of the carbon steel plate.
The invention also provides a preparation method of the titanium-steel-titanium composite plate, which comprises the following steps:
s1: firstly, selecting raw materials for manufacturing the composite board, processing the raw materials, and processing the raw materials, so that the composite board is better compounded, and the quality of the composite board is improved;
s2: the treated raw material is heated, so that the raw material is fully softened below the metal recrystallization temperature, the large-deformation-amount temperature-state rolling composition is realized to the maximum extent, and a better rolling effect is achieved;
s3: after the raw materials are heated, an irreversible warm rolling mill with large rolling force is adopted to perform warm compound rolling on the rolled piece at the metal recrystallization temperature of the rolled piece, so that three layers of strips are compounded into a whole, and in the rolling process, the requirements of the composite board on the binding fastness, the shape, the dimensional tolerance and the surface roughness are ensured;
s4: after rolling, carrying out heat treatment on the rolled composite plate, wherein the heat treatment comprises the following steps:
a1: firstly, taking out a rolled composite plate, then reducing the temperature of the composite plate to 200-300 ℃ in an air cooling mode, and after the temperature is reduced, reducing the temperature of the composite plate for 20-30 minutes;
a2: heating the heat-insulating composite board again by the heater to control the temperature of the composite board to be 500-600 ℃, and insulating the composite board for 20-60 minutes, so that most of stress in the composite board is eliminated, and the composite board is prevented from deforming in the using process;
a3: after primary annealing is finished, recrystallization annealing is carried out, the temperature of the composite board is raised again through a heater, the heating temperature of the recrystallization annealing is 680-700 ℃, after heating is finished, the composite board is kept warm for 30-120 minutes, stress existing in the composite board is completely eliminated, plasticity of the composite board is improved, and better comprehensive performance is obtained;
s5: the composite board after heat treatment is subjected to stretching, straightening and flattening treatment, so that the board shape and the surface roughness of the product meet the national standard requirements, and the possible adverse stress state of the product in the actual use process is eliminated;
s6: and (4) trimming and shaping the composite board to obtain a final composite board product for people to use.
Preferably, the operation steps in step S1 are as follows:
a1: selecting a titanium plate and a carbon steel plate to be compounded, realizing reverse bending and straightening of the thick base band heads of the titanium plate and the carbon steel plate, and simultaneously superposing the titanium plate and the carbon steel plate, automatically centering and rectifying the titanium plate and the carbon steel plate, and cutting the tail and the head of three layers of strips on line;
a2: carrying out follow-up welding on a titanium plate and a carbon steel plate by using a professional strip-connecting argon arc automatic welding machine, welding a coiled strip, carrying out online continuous automatic welding and welding line treatment on a subsequent coiled strip head and a previous coiled strip tail, and achieving the purposes of online dynamic variety and dynamic specification change;
a3: and finally, processing the surfaces to be compounded of the titanium plate and the carbon steel plate.
Preferably, in step a3, the steps of treating the composite surface are as follows:
a: carrying out treatments such as rust removal, degreasing, oil removal, texturing and the like on the base steel belt by using steel wire brush rollers with different diameters and materials on the surfaces of each layer of titanium plate and carbon steel plate to be compounded;
b: the abrasive belts with different granularities and hardness are adopted for comprehensive texturing treatment, so that the roughness required by the process and the composite surface with certain density are achieved, and the titanium plate and the carbon steel plate are conveniently compounded.
Preferably, in step S3, after the rolling is completed, a VCL curve roll profile specially designed for warm rolling and combined rolling, a method for regulating and controlling a hydraulic roll bending according to an outlet-side profile gauge, and targeted roll segment control cooling and roll segment control lubrication are adopted, so that the composite plate achieves a better effect.
Preferably, in step S6, the finished product is finished, that is, the finished product is finished according to the corresponding national standard and the user specific requirements, and the finishing process includes performing two rows of trimming processes by using an active double-edged circle shear to ensure the width precision requirement of the product, performing deep oil coating process by using a roller coater, and performing surface protection process such as surface coating of a plastic protection film or release paper by using an electrostatic film coating machine; and packaging and protecting the finished product according to different requirements of users.
The titanium-steel-titanium composite board and the preparation method thereof have the beneficial effects that: according to the invention, the raw materials are preheated and heated below the phase transition temperature, and then the rolling compounding is continuously carried out on the ultrahigh deformation strength material with the extremely large rolling deformation, so that the double-sided compounding of the titanium plate strip and the high-strength carbon structural steel is realized, and thus the wide-width composite plate with the comprehensive performances of high corrosion resistance surface, high strength and the like is obtained, and meanwhile, a large amount of precious metal consumption is saved.
Drawings
Fig. 1 is a schematic structural diagram of a titanium-steel-titanium composite plate according to the present invention.
In the figure: titanium plate 1, carbon steel plate 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the titanium-steel-titanium composite plate and the preparation method thereof comprise two titanium plates 1 and a carbon steel plate 2, wherein the two titanium plates 1 are respectively fixed above and at the bottom of the carbon steel plate 2, the width of the titanium plate 1 is equal to that of the carbon steel plate 2, and the thickness of the titanium plate 1 is equal to that of the carbon steel plate 2.
Example 1
The invention also provides a preparation method of the titanium-steel-titanium composite plate, which comprises the following steps:
s1: firstly, selecting raw materials for manufacturing the composite board, processing the raw materials, and processing the raw materials, so that the composite board is better compounded, and the quality of the composite board is improved;
s2: the treated raw material is heated, so that the raw material is fully softened below the metal recrystallization temperature, the large-deformation-amount temperature-state rolling composition is realized to the maximum extent, and a better rolling effect is achieved;
s3: after the raw materials are heated, an irreversible warm rolling mill with large rolling force is adopted to perform warm compound rolling on the rolled piece at the metal recrystallization temperature of the rolled piece, so that three layers of strips are compounded into a whole, and in the rolling process, the requirements of the composite board on the binding fastness, the shape, the dimensional tolerance and the surface roughness are ensured;
s4: after rolling, carrying out heat treatment on the rolled composite plate, wherein the heat treatment comprises the following steps:
a1: firstly, taking out a rolled composite plate, then reducing the temperature of the composite plate to 200 ℃ in an air cooling mode, and after the temperature is reduced, reducing the temperature of the composite plate for 20 minutes;
a2: heating the heat-insulating composite board again by the heater to control the temperature of the composite board to be 500 ℃, and insulating the composite board for 20 minutes, so that most of stress in the composite board is eliminated, and the composite board is prevented from deforming in the using process;
a3: after primary annealing is finished, recrystallization annealing is carried out, the temperature of the composite board is raised again through a heater, the heating temperature of the recrystallization annealing is 680 ℃, after heating is finished, the composite board is kept warm for 30 minutes, stress existing in the composite board is completely eliminated, plasticity of the composite board is improved, and better comprehensive performance is obtained;
s5: the composite board after heat treatment is subjected to stretching, straightening and flattening treatment, so that the board shape and the surface roughness of the product meet the national standard requirements, and the possible adverse stress state of the product in the actual use process is eliminated;
s6: and (4) trimming and shaping the composite board to obtain a final composite board product for people to use.
The operation steps in step S1 are as follows:
a1: selecting a titanium plate 1 and a carbon steel plate 2 to be compounded, realizing reverse bending and straightening of the thick base band heads of the titanium plate 1 and the carbon steel plate 2, and then superposing the titanium plate 1 and the carbon steel plate 2, and simultaneously automatically centering and rectifying the titanium plate 1 and the carbon steel plate 2, and cutting the tail and the head of three layers of strips on line;
a2: carrying out follow-up welding on the titanium plate 1 and the carbon steel plate 2 by using a professional strip-connecting argon arc automatic welding machine, welding a coiled strip, and carrying out online continuous automatic welding and welding line treatment on a subsequent coiled strip head and a previous coiled strip tail to realize the purposes of online dynamic variety and dynamic specification change;
a3: and finally, processing the surfaces to be compounded of the titanium plate 1 and the carbon steel plate 2.
In step a3, the steps of the composite surface treatment are as follows:
a: the surfaces of each layer of titanium plate 1 and carbon steel plate 2 to be compounded are subjected to rust removal, degreasing, oil removal, texturing and other treatments by using steel wire brush rolls with different diameters and materials;
b: the abrasive belts with different granularities and hardness are adopted for comprehensive texturing treatment, the roughness required by the process and the composite surface with certain density are achieved, and then the titanium plate 1 and the carbon steel plate 2 are conveniently compounded.
In step S3, after rolling, a VCL curved roll profile specially designed for warm rolling and a method for adjusting and controlling a hydraulic roll bending according to an outlet-side profile gauge are adopted, and targeted roll segment control cooling and roll segment control lubrication are performed, so that the composite plate achieves a better effect.
In step S6, finishing the finished product, that is, finishing the finished product according to the corresponding national standard and the specific requirements of the user, including performing two rows of trimming processes using an active double-edged circle shear to ensure the width precision requirement of the product, applying deep-drawing oil using a roller coater, and performing surface protection processes such as surface coating of a plastic protection film or release paper using an electrostatic film coater; and packaging and protecting the finished product according to different requirements of users.
Example 2
The invention also provides a preparation method of the titanium-steel-titanium composite plate, which comprises the following steps:
s1: firstly, selecting raw materials for manufacturing the composite board, processing the raw materials, and processing the raw materials, so that the composite board is better compounded, and the quality of the composite board is improved;
s2: the treated raw material is heated, so that the raw material is fully softened below the metal recrystallization temperature, the large-deformation-amount temperature-state rolling composition is realized to the maximum extent, and a better rolling effect is achieved;
s3: after the raw materials are heated, an irreversible warm rolling mill with large rolling force is adopted to perform warm compound rolling on the rolled piece at the metal recrystallization temperature of the rolled piece, so that three layers of strips are compounded into a whole, and in the rolling process, the requirements of the composite board on the binding fastness, the shape, the dimensional tolerance and the surface roughness are ensured;
s4: after rolling, carrying out heat treatment on the rolled composite plate, wherein the heat treatment comprises the following steps:
a1: firstly, taking out a rolled composite plate, then reducing the temperature of the composite plate to 250 ℃ in an air cooling mode, and after the temperature is reduced, reducing the temperature of the composite plate for 25 minutes;
a2: the temperature of the heat-insulating composite board is raised again through the heater, so that the temperature of the composite board is controlled to be 550 ℃, the heat insulation time of the composite board lasts for 40 minutes, most of stress in the composite board is eliminated, and the composite board is prevented from deforming in the using process;
a3: after primary annealing is finished, recrystallization annealing is carried out, the temperature of the composite board is raised again through a heater, the heating temperature of the recrystallization annealing is 690 ℃, after heating is finished, the composite board is kept warm for 60 minutes, stress existing in the composite board is completely eliminated, the plasticity of the composite board is improved, and better comprehensive performance is obtained;
s5: the composite board after heat treatment is subjected to stretching, straightening and flattening treatment, so that the board shape and the surface roughness of the product meet the national standard requirements, and the possible adverse stress state of the product in the actual use process is eliminated;
s6: and (4) trimming and shaping the composite board to obtain a final composite board product for people to use.
The operation steps in step S1 are as follows:
a1: selecting a titanium plate 1 and a carbon steel plate 2 to be compounded, realizing reverse bending and straightening of the thick base band heads of the titanium plate 1 and the carbon steel plate 2, and then superposing the titanium plate 1 and the carbon steel plate 2, and simultaneously automatically centering and rectifying the titanium plate 1 and the carbon steel plate 2, and cutting the tail and the head of three layers of strips on line;
a2: carrying out follow-up welding on the titanium plate 1 and the carbon steel plate 2 by using a professional strip-connecting argon arc automatic welding machine, welding a coiled strip, and carrying out online continuous automatic welding and welding line treatment on a subsequent coiled strip head and a previous coiled strip tail to realize the purposes of online dynamic variety and dynamic specification change;
a3: and finally, processing the surfaces to be compounded of the titanium plate 1 and the carbon steel plate 2.
In step a3, the steps of the composite surface treatment are as follows:
a: the surfaces of each layer of titanium plate 1 and carbon steel plate 2 to be compounded are subjected to rust removal, degreasing, oil removal, texturing and other treatments by using steel wire brush rolls with different diameters and materials;
b: the abrasive belts with different granularities and hardness are adopted for comprehensive texturing treatment, the roughness required by the process and the composite surface with certain density are achieved, and then the titanium plate 1 and the carbon steel plate 2 are conveniently compounded.
In step S3, after rolling, a VCL curved roll profile specially designed for warm rolling and a method for adjusting and controlling a hydraulic roll bending according to an outlet-side profile gauge are adopted, and targeted roll segment control cooling and roll segment control lubrication are performed, so that the composite plate achieves a better effect.
In step S6, finishing the finished product, that is, finishing the finished product according to the corresponding national standard and the specific requirements of the user, including performing two rows of trimming processes using an active double-edged circle shear to ensure the width precision requirement of the product, applying deep-drawing oil using a roller coater, and performing surface protection processes such as surface coating of a plastic protection film or release paper using an electrostatic film coater; and packaging and protecting the finished product according to different requirements of users.
Example 3
The invention also provides a preparation method of the titanium-steel-titanium composite plate, which comprises the following steps:
s1: firstly, selecting raw materials for manufacturing the composite board, processing the raw materials, and processing the raw materials, so that the composite board is better compounded, and the quality of the composite board is improved;
s2: the treated raw material is heated, so that the raw material is fully softened below the metal recrystallization temperature, the large-deformation-amount temperature-state rolling composition is realized to the maximum extent, and a better rolling effect is achieved;
s3: after the raw materials are heated, an irreversible warm rolling mill with large rolling force is adopted to perform warm compound rolling on the rolled piece at the metal recrystallization temperature of the rolled piece, so that three layers of strips are compounded into a whole, and in the rolling process, the requirements of the composite board on the binding fastness, the shape, the dimensional tolerance and the surface roughness are ensured;
s4: after rolling, carrying out heat treatment on the rolled composite plate, wherein the heat treatment comprises the following steps:
a1: firstly, taking out a rolled composite plate, then reducing the temperature of the composite plate to 300 ℃ in an air cooling mode, and after the temperature is reduced, reducing the temperature of the composite plate for 30 minutes;
a2: the temperature of the heat-insulating composite board is raised again through the heater, so that the temperature of the composite board is controlled to be 600 ℃, the heat insulation time of the composite board lasts for 60 minutes, most of stress in the composite board is eliminated, and the composite board is prevented from deforming in the using process;
a3: after primary annealing is finished, recrystallization annealing is carried out, the temperature of the composite board is raised again through a heater, the heating temperature of the recrystallization annealing is 700 ℃, after heating is finished, the composite board is kept warm for 120 minutes, stress existing in the composite board is completely eliminated, plasticity of the composite board is improved, and better comprehensive performance is obtained;
s5: the composite board after heat treatment is subjected to stretching, straightening and flattening treatment, so that the board shape and the surface roughness of the product meet the national standard requirements, and the possible adverse stress state of the product in the actual use process is eliminated;
s6: and (4) trimming and shaping the composite board to obtain a final composite board product for people to use.
The operation steps in step S1 are as follows:
a1: selecting a titanium plate 1 and a carbon steel plate 2 to be compounded, realizing reverse bending and straightening of the thick base band heads of the titanium plate 1 and the carbon steel plate 2, and then superposing the titanium plate 1 and the carbon steel plate 2, and simultaneously automatically centering and rectifying the titanium plate 1 and the carbon steel plate 2, and cutting the tail and the head of three layers of strips on line;
a2: carrying out follow-up welding on the titanium plate 1 and the carbon steel plate 2 by using a professional strip-connecting argon arc automatic welding machine, welding a coiled strip, and carrying out online continuous automatic welding and welding line treatment on a subsequent coiled strip head and a previous coiled strip tail to realize the purposes of online dynamic variety and dynamic specification change;
a3: and finally, processing the surfaces to be compounded of the titanium plate 1 and the carbon steel plate 2.
In step a3, the steps of the composite surface treatment are as follows:
a: the surfaces of each layer of titanium plate 1 and carbon steel plate 2 to be compounded are subjected to rust removal, degreasing, oil removal, texturing and other treatments by using steel wire brush rolls with different diameters and materials;
b: the abrasive belts with different granularities and hardness are adopted for comprehensive texturing treatment, the roughness required by the process and the composite surface with certain density are achieved, and then the titanium plate 1 and the carbon steel plate 2 are conveniently compounded.
In step S3, after rolling, a VCL curved roll profile specially designed for warm rolling and a method for adjusting and controlling a hydraulic roll bending according to an outlet-side profile gauge are adopted, and targeted roll segment control cooling and roll segment control lubrication are performed, so that the composite plate achieves a better effect.
In step S6, finishing the finished product, that is, finishing the finished product according to the corresponding national standard and the specific requirements of the user, including performing two rows of trimming processes using an active double-edged circle shear to ensure the width precision requirement of the product, applying deep-drawing oil using a roller coater, and performing surface protection processes such as surface coating of a plastic protection film or release paper using an electrostatic film coater; and packaging and protecting the finished product according to different requirements of users.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The titanium-steel-titanium composite plate comprises two titanium plates (1) and a carbon steel plate (2), and is characterized in that the two titanium plates (1) are respectively fixed above and at the bottom of the carbon steel plate (2), the width of the titanium plate (1) is equal to that of the carbon steel plate (2), and the thickness of the titanium plate (1) is equal to that of the carbon steel plate (2);
the preparation method of the titanium-steel-titanium composite board comprises the following steps:
s1: firstly, selecting raw materials for manufacturing the composite board, processing the raw materials, and processing the raw materials, so that the composite board is better compounded, and the quality of the composite board is improved;
s2: the treated raw material is heated, so that the raw material is fully softened below the metal recrystallization temperature, the large-deformation-amount temperature-state rolling composition is realized to the maximum extent, and a better rolling effect is achieved;
s3: after the raw materials are heated, an irreversible warm rolling mill with large rolling force is adopted to perform warm-state composite rolling on the three-layer plate at the metal recrystallization temperature of the three-layer plate, so that the three-layer plate is composited into a whole, and the requirements of the composite plate on the bonding fastness, the plate shape, the dimensional tolerance and the surface roughness are ensured in the rolling process;
s4: after rolling, carrying out heat treatment on the rolled composite plate, wherein the heat treatment comprises the following steps:
a1: firstly, taking out a rolled composite plate, then reducing the temperature of the composite plate to 200-300 ℃ in an air cooling mode, and after the temperature is reduced, preserving the temperature of the composite plate for 20-30 minutes;
a2: heating the heat-insulating composite board again by the heater to control the temperature of the composite board to be 500-600 ℃, and insulating the composite board for 20-60 minutes, so that most of stress in the composite board is eliminated, and the composite board is prevented from deforming in the using process;
a3: after primary annealing is finished, recrystallization annealing is carried out, the temperature of the composite board is raised again through a heater, the heating temperature of the recrystallization annealing is 680-700 ℃, after heating is finished, the composite board is kept warm for 30-120 minutes, stress existing in the composite board is completely eliminated, plasticity of the composite board is improved, and better comprehensive performance is obtained;
s5: the composite board after heat treatment is subjected to stretching, straightening and flattening treatment, so that the board shape and the surface roughness of the product meet the national standard requirements, and the possible adverse stress state of the product in the actual use process is eliminated;
s6: trimming and shaping the composite board to obtain a final composite board product for people to use;
the operation steps in step S1 are as follows:
a1: selecting a titanium plate (1) and a carbon steel plate (2) to be compounded, realizing reverse bending and straightening of belt heads of the titanium plate (1) and the carbon steel plate (2), and then automatically centering and rectifying the titanium plate (1) and the carbon steel plate (2) while superposing the titanium plate (1) and the carbon steel plate (2), wherein three layers of belt materials are all subjected to tail cutting and head cutting on line;
a2: carrying out follow-up welding on the titanium plate (1) and the carbon steel plate (2) by using a professional strip-connecting argon arc automatic welding machine, welding a coiled strip, carrying out online continuous automatic welding and welding line treatment on a subsequent coiled strip head and a previous coiled strip tail, and achieving the purposes of online dynamic variety and dynamic specification change;
a3: finally, processing the surfaces to be compounded of the titanium plate (1) and the carbon steel plate (2);
in step a3, the steps of the composite surface treatment are as follows:
a: carrying out rust removal, degreasing, oil removal and texturing treatment on the base steel belt by using steel wire brush rollers with different diameters and materials on the surfaces of each layer of titanium plate (1) and carbon steel plate (2) to be compounded;
b: adopting abrasive belts with different granularities and hardness to carry out comprehensive texturing treatment, and achieving the roughness required by the process and the composite surface with certain density, thereby facilitating the composition of the titanium plate (1) and the carbon steel plate (2);
in step S3, after rolling, a VCL curved roll profile specially designed for warm rolling and a method for regulating and controlling a hydraulic roll bending according to an outlet-side profile gauge are adopted, and targeted roll segment control cooling and roll segment control lubrication are performed, so that the composite plate achieves a better effect;
in step S6, finishing the finished product, that is, finishing the finished product according to the corresponding national standard and the specific requirements of the user, including performing two rows of trimming processes using an active double-edged circle shear to ensure the width precision requirement of the product, applying deep-drawing oil using a roller coater, and performing a surface protection process of attaching a plastic protection film or a release paper using an electrostatic film-coating machine; and packaging and protecting the finished product according to different requirements of users.
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| CN109731912B (en) * | 2019-03-04 | 2020-08-04 | 吉林大学 | Rolling preparation method for tooth-shaped joint surface of titanium/aluminum/magnesium composite plate |
| CN110394361B (en) * | 2019-08-19 | 2021-02-02 | 佛山市国升五金制品有限公司 | Stainless steel profile processing method |
| CN110935728A (en) * | 2019-12-13 | 2020-03-31 | 瓯锟科技温州有限公司 | Preparation method of layered wear-resistant light steel-aluminum composite board |
| CN111941003B (en) * | 2020-07-15 | 2022-06-14 | 昆明理工大学 | Preparation method of warm-rolled stainless steel/carbon steel composite plate |
| CN112223097B (en) * | 2020-09-25 | 2021-12-21 | 浙江松发复合新材料有限公司 | Stainless steel-copper composite plate strip production line |
| CN115026139A (en) * | 2022-08-10 | 2022-09-09 | 太原科技大学 | Method for preparing nickel-magnesium composite board by rolling |
| CN117943403B (en) * | 2024-03-27 | 2024-06-04 | 广州众山精密科技有限公司 | Titanium-aluminum layered composite material with high bonding strength and preparation method thereof |
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