CN113001005A - Preparation method and device of metal plate - Google Patents

Preparation method and device of metal plate Download PDF

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CN113001005A
CN113001005A CN202110162713.8A CN202110162713A CN113001005A CN 113001005 A CN113001005 A CN 113001005A CN 202110162713 A CN202110162713 A CN 202110162713A CN 113001005 A CN113001005 A CN 113001005A
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powder
metal
metal plate
base material
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CN113001005B (en
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王快社
王佳
乔柯
王文
张升懿
谢海瑞
张宇烨
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Xian University of Architecture and Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
    • B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/26—Auxiliary equipment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/02—Coating starting from inorganic powder by application of pressure only
    • C23C24/04—Impact or kinetic deposition of particles

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Abstract

The invention discloses a preparation method and a device of a metal plate, wherein the method comprises the steps of firstly, taking a metal material as a base material and alloy powder as a reinforcing material, depositing the alloy powder on the surface of the base material through cold spraying to form a deposition layer, and then carrying out rapid cooling, stirring and friction processing on the deposition layer to obtain the metal plate; the rapid cooling friction stir process cools a substrate by spraying a coolant comprising liquid CO2Or in the liquid state C5H12. The invention successfully prepares the local high-strength and high-plasticity alloyed metal material by adopting the cold spraying combined rapid cooling stirring friction processing technology, has simple and environment-friendly process, good combination of the alloying layer and the matrix, and refined and uniform microstructure of the alloying layer. The performance of the metal material is obviously improved, so the invention is suitable forThe method is suitable for modifying the metal material, and is particularly suitable for locally modifying the metal material.

Description

Preparation method and device of metal plate
Technical Field
The invention belongs to the technical field of metal surface modification, and particularly relates to a method and a device for preparing a metal plate.
Background
The metal member is subjected to fatigue, abrasion, corrosion and the like due to instability of a metal material in the use process, so that the service life of the metal member is seriously influenced. Because the material instability begins from the surface, the surface of the metal material needs to be subjected to alloy strengthening treatment, and the alloy strengthening refers to adding alloy elements into metal, so that the alloy elements form dispersed particles which have a barrier effect on dislocation motion in a metal matrix, and the alloy strength is improved. Meanwhile, the alloy elements enable the crystal grains of the matrix to be refined by changing the lattice type of the matrix, the hardenability of the matrix is increased, and the strength of the alloy is indirectly improved.
In the application of metal materials, the failure of the materials is often caused by that local positions are affected by special external environments to fail first, so that the application value of the whole materials is lost, and therefore, the problem of local modification of the materials is very important. In the prior art, metallurgy melting alloying is used, and the method has high resource consumption and great environmental pollution. For some special environment service metals, the local performance requirement of the used materials is high, the matrix performance requirement is low, and the alloy preparation by using metallurgical melting is insufficient.
Disclosure of Invention
Aiming at the defects of the metal material alloy strengthening method in the prior art, the invention provides a preparation method and a device of a metal plate.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a preparation method of a metal plate comprises the steps of firstly, taking a metal material as a base material and alloy powder as a reinforcing material, depositing the alloy powder on the surface of the base material through cold spraying to form a deposition layer, and then carrying out rapid cooling, stirring and friction processing on the deposition layer to obtain the metal plate;
the rapid cooling friction stir process cools a substrate by spraying a coolant comprising liquid CO2Or in the liquid state C5H12。
Specifically, the parameters of the cold spraying are as follows: the cold spraying powder feeding gas is nitrogen, the powder feeding speed is 25-35 g/min, the spraying distance is 20-30 mm, and the cooling speed is 40-50K/s; the thickness of the deposition layer is 1-4 mm.
Specifically, the parameters of the friction stir processing are as follows: the spraying distance of the coolant is 2-4 mm, the rotating speed of the stirring head is 300-1500 r/min, and the advancing speed of the stirring head is 20-200 mm/min.
Specifically, the base material is a magnesium plate or an aluminum plate with the purity of not less than 99%; the alloy powder comprises any two or more of Al powder, Mg powder, Zn powder, Mn powder and Si powder.
Specifically, the grain size of the alloy powder is 10-100 microns.
Preferably, the method specifically comprises the following steps:
step 1, determining the proportion of alloy powder according to alloying design, then selecting metal powder with the particle size of 10-100 microns, and fully mixing to obtain the alloy powder;
step 2, cold spraying the alloy powder on the surface of the base material to form a deposition layer; wherein the cold spraying parameters are as follows: the cold spraying powder feeding gas is nitrogen, the preheating temperature of the powder feeding gas is 600 ℃, the powder feeding speed is 25g/min, the spraying distance is 25mm, the cooling speed is 40K/s, and the thickness of the deposition layer is 4 mm;
step 3, injecting liquid CO2Under the condition of cooling the base material, rapidly cooling, stirring and rubbing the deposition layer to obtain a metal plate; the liquid CO2The spraying distance of the stirring head is 2mm, the rotating speed of the stirring head is 1200r/min, and the advancing speed of the stirring head is25mm/min。
The invention also discloses a metal plate which is prepared by adopting the preparation method of any metal plate, the metal plate is cooled by adopting a coolant in the rapid cooling, stirring and rubbing processing process, and the coolant comprises liquid CO2Or in the liquid state C5H12。
The preparation method of the metal plate provided by the invention is applied to the preparation of metal materials.
A metal plate preparation device is used for realizing the metal plate preparation of the invention, the device comprises a friction stir machine tool, and is characterized by also comprising:
the temperature measuring device is arranged on the friction stir machine tool and used for detecting the temperature of the metal plate, the temperature measuring device comprises a K-type thermocouple and a temperature recorder which are connected, the K-type thermocouple is arranged in a mounting hole formed in the edge of the base material in a penetrating mode, and the time interval of temperature collection is set to be 1-3 s;
the cooling agent storage tank is provided with a plurality of communicated cooling agent injection pipes;
and the stirring head is used for realizing stirring friction processing.
Compared with the prior art, the invention has the following technical effects:
(1) the invention adopts the cold spraying combined with the rapid cooling stirring friction processing technology to prepare the local high-strength and high-plasticity alloyed metal material, the process is simple and environment-friendly, and the surface structure of the prepared metal plate is refined and uniform. The surface performance of the metal material is obviously improved, so that the method is suitable for local modification of the metal material.
(2) The invention has more excellent temperature control effect due to the use of the liquid coolant. The alloying reaction time of the alloying powder and the metal substrate is reduced, and the performance of the sheet material is not affected because the types of the alloying products are few.
Drawings
FIG. 1 is a process flow diagram of a method of making a metal sheet according to the present invention;
FIG. 2 is a schematic view of the structure of the device of the present invention
FIG. 3 is a schematic diagram of the metallographic structure in comparative example 1
FIG. 4 is a metallographic structure chart in example 1
FIG. 5 is a graph of engineering stress versus engineering strain for example 1 and comparative example 2;
FIG. 6 is a graph of engineering stress versus engineering strain for example 2 and comparative example 2;
fig. 7 is a graph of engineering stress versus engineering strain for comparative example 1.
The various reference numbers in the drawings have the meanings given below:
1-temperature measuring device, 2-mounting hole, 3-coolant injection pipe, 4-stirring head, 11-K type thermocouple and 12-temperature recorder.
The invention is described in detail below with reference to the drawings and the detailed description.
Detailed Description
And (3) rapid cooling, stirring and rubbing processing: the method is a solid phase connection processing technology with rapid cooling action in the welding process, liquid carbon dioxide, pentane and the like are generally used as cooling gas in the processing, and the rapid cooling effect is achieved by spraying the cooling gas in the stirring friction processing process; the technology improves the performance of a welding or processing area by controlling the temperature drop speed in the process of deformation of a processed material.
Alloy strengthening: the method is characterized in that the content of alloy elements on the surface of a matrix is increased according to the requirements of actual working conditions so as to achieve the effect of strengthening the surface of the metal.
Alloying design: according to the performance requirements and the characteristics of the production process, the proportion of each component element in the alloy is determined so as to achieve the effect of strengthening the metal surface.
According to the preparation method of the metal plate, a cold spraying technology and rapid cooling auxiliary stirring friction processing are combined, and the area needing to be strengthened on the metal base material is subjected to cold spraying stirring friction strengthening treatment to achieve a local strengthening effect. The method can prepare alloy reinforced micro-areas with refined and uniform microstructures, the local tensile property of the reinforced metal material is obviously higher than that of the alloy of the same series prepared by a metallurgy method, and a new method is provided for local modification of the metal material.
In the preparation method, mechanical energy is converted into atom kinetic energy in the process of movement of the dislocation on the slip plane, so that the activity of atoms is increased; the solid metal is severely deformed to cause the twisting and lengthening of chemical bonds, so that the chemical bonds are easy to break, and atoms are easy to react; the liquid coolant in the invention enables the grain refining effect to be more obvious in the friction stir processing, thereby reducing the activation energy required by the alloying reaction, reducing the reaction starting temperature and accelerating the reaction rate.
The method comprises the steps of firstly, taking a metal material as a base material and alloy powder as a reinforcing material, depositing the alloy powder on the surface of the base material through cold spraying to form a deposition layer, then, rapidly cooling, stirring and rubbing the deposition layer to obtain a metal plate,
the rapid cooling friction stir process cools a substrate by spraying a coolant comprising liquid CO2Or in the liquid state C5H12。
(1) The selection of the substrate is that the magnesium and aluminum substrate with the purity of more than 99 percent is selected.
Selection and proportioning of alloy powder: the alloy powder comprises any two or more of Al powder, Mg powder, Zn powder, Zr powder and Si powder, the alloy powder proportion is determined according to the alloying design, and the required mass of the alloy powder is calculated according to the following formula:
Mpowder of＝D a b LρC1C2/C
Wherein D is the ratio of the cold spraying width to the micro-area width, D is more than or equal to 1 and less than or equal to 4, a is the micro-area width (mm), and b is the thickness (mm) of the base material; l is the domain length (mm) and rho is the substrate density (g/cm)3)， C1Is the mass percentage of the first metal powder in the alloy powder; c2Is the mass percentage of the metal powder in the second alloy powder; c is the purity of the metal powder.
(2) Mixing materials: selecting metal powder with the particle size of 10-100 micrometers, and fully mixing for 1-2 hours to obtain alloy powder.
(3) Cold spraying: and (3) placing the fully mixed powder into a cold spraying storage bin, adjusting spraying parameters, and performing cold spraying to generate a deposition layer.
(4) And (5) rapidly cooling, stirring and rubbing.
Cold spraying parameters: taking nitrogen as powder feeding gas, wherein the powder feeding rate is 25-35 g/min, the preheating temperature of the powder feeding gas is 500-700 ℃, the powder feeding rate is 25-35 g/min, the spraying distance is 20-30 mm, and the cooling rate is 40-50K/s; the thickness of the deposition layer is 1-4 mm.
And (3) rapid cooling, stirring and rubbing processing: the spraying distance of the coolant is 2-4 mm, the rotating speed of the stirring head is 300-1500 r/min, and the advancing speed of the stirring head is 20-200 mm/min.
With reference to the schematic processing flow diagram of fig. 1, the specific scheme of the present invention is as follows:
mounting holes with the diameter of 2-4 mm are formed in advance in two sides of the base material which is locally subjected to cold spraying treatment, and then the base material is placed on a friction stir welding machine tool and fixed by a clamp; inserting a K-type thermocouple into the mounting hole and connecting the K-type thermocouple with a temperature recorder, and setting the temperature detection time interval to be 1-3 s; and setting friction stir processing parameters and a friction stir processing path, and opening the coolant storage tank to start spraying in the process of tool pairing of the stirring head. The distance between the pipe orifice of the coolant injection pipe and the processing area table is guaranteed to be 2-4 mm in the processing process. After the machining is finished, the stirring head is lifted, the injection pipe and the coolant storage tank are closed, and the temperature detection is stopped.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are intended for purposes of illustration and explanation only and are not intended to limit the scope of the invention.
Example 1:
according to the above technical scheme, the purity of the product is 99.5%, and the density is 1.74g/cm3The pure magnesium plate is a metal base material, the alloy powder selects Al powder and Zn powder with the purity of 99%, and the Al powder and the Zn powder are mixed according to the mass ratio of 3:1, and the method comprises the following specific steps:
raw material selection and pretreatment:
taking a pure magnesium plate with the thickness of 210mm multiplied by 100mm multiplied by 3 mm; and cleaning the surface with acetone to remove oil stains. The size of the reinforced micro-area is determined to be 120 x 10 mm. The width of the cold spraying area is 40mm, then the mass of the alloy powder with the required grain diameter of 10-100 microns is calculated and weighed:
MAl＝D a b LρC1C2/C＝4×120×10×3×1.74×0.96×0.03/0.99＝729g
MZn＝D a b LρC1C2/C＝4×120×10×3×1.74×0.96×0.01/0.99＝243g
mixing materials: the selected alloy powders were mechanically mixed for 1.5 h.
Preparing a deposition layer:
and (2) cold spraying the alloy powder onto the surface of the substrate to form a deposition layer, wherein the gas used in the cold spraying is nitrogen, the spraying pressure is 2.5MPa, the preheating temperature of the powder feeding gas is 600 ℃, the powder feeding speed is 30g/min, the spraying distance is 25mm, the thickness of the prepared deposition layer is 2mm, and the width of the deposition layer is 40 mm.
Setting processing parameters:
the shaft shoulder of the stirring head used for stirring and rubbing is 10mm, the needle length is 3mm, the rotating speed of the stirring head is 1200rpm, the advancing speed of the stirring head is 25mm/min, the processing mode is unidirectional 4-pass friction processing, and the reduction between shafts is as follows: the first pass is 0.1mm, and the second third and fourth passes are 0.2 mm.
Coolant parameters:
the coolant is liquid CO2The storage pressure was 5MPa, the coolant ejection distance was 2mm, and the cooling rate was 40 k/s.
The experimental results are as follows: in this example, a metal plate material based on a magnesium plate was prepared, and a metallographic structure diagram of a strengthened micro-region prepared in this example is shown in fig. 4.
To determine the type of alloying reaction product, the following theoretical model was used to determine the type of alloying reaction product:
Figure BDA0002936129290000071
wherein the content of the first and second substances,
Figure BDA0002936129290000072
the chemical potential variation of the component A in the alloy powder in a molten state;
Figure BDA0002936129290000073
-the amount of heat of fusion (J/mol) at the melting transition; t isA-melting point (. degree. C.) of component A; k after cooking R8.314J/mol-1；XA-the proportion of the A component; t-temperature (DEG C) for rapid cooling friction stir processing.
In the present embodiment, TAl＝660℃，TMg＝651℃，T＝300℃，△HMg＝3.98KJ/mol, △HAlThe chemical potential is unchanged during the reaction, giving 4.12 KJ/mol:
Figure BDA0002936129290000081
Figure BDA0002936129290000082
XAl≈0.418；(XMg≈0.582)
Figure BDA0002936129290000083
Figure BDA0002936129290000084
XMg≈0.410；(XAl≈0.590)
calculations suggest that the alloying reactant type may be Mg17Al12Or Al17Mg12Phase of which Mg17 Al12The beta phase is a common beta phase, and has no adverse effect on the strength and plasticity of the plate. The model calculation result can fully verify the results of the embodiment from the perspective of the types of alloying reactants, namely the mechanical property of the plate prepared in the embodiment is far higher than that of the plate prepared by a metallurgical methodThe same kind of alloy of (1).
Example 2
This example was the same as the base material selected in example 1, except that the mass of Al powder and Zn powder in the alloy powder used in the cold spraying was 547g and 182g, respectively, and the width of the deposited layer was 30 mm.
The processing parameters are set as follows: the shaft shoulder of the stirring head is 10mm, the needle length is 3mm, the rotating speed of the stirring head is 1500rpm, the advancing speed of the stirring head is 30mm/min, the processing mode is 6 reciprocating passes, and the inter-shaft reduction: the first pass is 0.1mm, and the other passes are 0.2 mm.
Coolant parameters: the coolant type being storage tank liquid CO2Pressure of 5MPa, coolant jet distance of 3mm, CO2The number of the injection pipes was 2, and the cooling rate was 50 k/s.
The length and width of the alloy reinforced micro-area prepared in the embodiment are 210mm and 10mm respectively.
Example 3
This example is different from example 1 in that, in the alloy powder, the mass of Al powder was 729g, the mass of Zn powder was 121g, and the width of the deposited layer was 20 mm.
Setting processing parameters: the rotation speed of the stirring head is 1500rpm, and the advancing speed of the stirring head is 100 mm/min.
The experimental results are as follows: in this example, a metal plate material using a magnesium plate as a base material was produced.
Example 4
This example is different from example 2 in that the alloy powder has a mass of 729g of Al powder, a mass of 121g of Zn powder, and a width of a deposited layer of 20 mm.
The experimental results are as follows: in this example, a metal plate material using a magnesium plate as a base material was produced.
Example 5
The same as example 1, except that the metal powder includes Zn, Zr powder, wherein the Zn powder has a mass of 729g, the Zr powder has a mass of 121g, and the width of the deposited layer is 20 mm.
The experimental results are as follows: in this example, a metal plate material using a magnesium plate as a base material was produced.
Comparative example 1
This example is the same alloy powder and processing steps as used in example 1, except that no liquid coolant is used during processing.
The experimental results are as follows: as shown in FIG. 2, FIG. 2 is a metallographic structure diagram in which the average crystal grain size was 6 μm. FIG. 2 shows a metallographic structure of the strengthened micro-domains obtained in this example.
Comparative example 2
This comparative example differs from example 1 in that the annealed AZ31 magnesium alloy was metallurgically prepared.
And (3) testing the mechanical property of the reinforced micro-area:
in all the examples and comparative examples, three groups of tensile test specimens are respectively selected and ground in sequence by using No. 800, No. 1000, No. 1500 and No. 3000 watermill sandpaper in the direction perpendicular to the processing direction of the alloy strengthening micro-area until no obvious scratch is formed on the surfaces of the test specimens.
Using a Universal testing machine (Instron8801), the draw rate was set at 1X 10-3s-1And collecting real-time stretching data and drawing a stress-strain curve graph.
FIG. 5 is a graph comparing the mechanical properties of the strengthened micro-domains prepared in example 1 with those of AZ31 magnesium alloy prepared by a metallurgical method in comparative example 2, and it can be seen that the mechanical properties of the alloy strengthened micro-domains prepared by the method of the present invention are much higher than those of the similar alloys.
Fig. 6 is a graph comparing the mechanical properties of the strengthened micro-regions prepared in example 2 with those of AZ31 magnesium alloy prepared by the metallurgy method in comparative example 2, and it can be seen from the graph that increasing the process pass and cooling rate can make the alloy powder coated uniformly and inhibit the thermal diffusion effect stronger. The performance of the prepared strengthening area is higher than the mechanical property of the similar alloy.
Figure 7 shows a graph of the mechanical properties of the reinforced microdomains prepared in comparative example 1. As can be seen from a comparison of fig. 7, 5 and 6, the mechanical properties of the reinforced micro-domains were inferior to those of examples 1 and 2 where no coolant was used. Indicating that the addition of the coolant has a greater effect on the strengthening effect.
The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes made by the claims of the present invention are intended to be included within the scope of the claims of the present invention.

Claims (9)

1. The preparation method of the metal plate is characterized in that firstly, a metal material is used as a base material, alloy powder is used as a reinforcing material, the alloy powder is deposited on the surface of the base material through cold spraying to form a deposition layer, and then the deposition layer is rapidly cooled, stirred and rubbed to obtain the metal plate;
the rapid cooling friction stir process cools a substrate by spraying a coolant comprising liquid CO2Or in the liquid state C5H12。
2. A method for manufacturing a metal sheet as claimed in claim 1, wherein the parameters of the cold spraying are: the cold spraying powder feeding gas is nitrogen, the preheating temperature of the powder feeding gas is 500-700 ℃, the powder feeding speed is 25-35 g/min, the spraying distance is 20-30 mm, and the cooling speed is 40-50K/s; the thickness of the deposition layer is 1-4 mm.
3. The method of manufacturing a metal sheet as claimed in claim 1, wherein the parameters of the friction stir processing are: the spraying distance of the coolant is 2-4 mm, the rotating speed of the stirring head is 300-1500 r/min, and the advancing speed of the stirring head is 20-200 mm/min.
4. The method of manufacturing a metal plate according to claim 1, wherein the base material is a magnesium plate or an aluminum plate having a purity of not less than 99%; the alloy powder comprises any two or more of Al powder, Mg powder, Zn powder, Zr powder and Si powder.
5. The method of manufacturing a metal plate according to claim 1, wherein the alloy powder has a particle size of 10 to 100 μm.
6. The method for manufacturing a metal sheet according to claim 1, characterized in that it comprises in particular the following steps:
step 1, determining the proportion of alloy powder according to alloying design, and then selecting metal powder with the particle size of 10-100 microns to be fully mixed to obtain the alloy powder;
step 2, cold spraying the alloy powder on the surface of the base material to form a deposition layer; wherein the cold spraying parameters are as follows: the cold spraying powder feeding gas is nitrogen, the preheating temperature of the powder feeding gas is 600 ℃, the powder feeding speed is 25g/min, the spraying distance is 25mm, the cooling speed is 40K/s, and the thickness of the deposition layer is 4 mm;
step 3, injecting liquid CO2Under the condition of cooling the base material, rapidly cooling, stirring and rubbing the deposition layer to obtain a metal plate; the liquid CO2The spraying distance of (2) is 2mm, the rotating speed of the stirring head is 1200r/min, and the advancing speed of the stirring head is 25 mm/min.
7. A metal plate, which is prepared by the method for preparing the metal plate as claimed in any one of claims 1 to 6, wherein the metal plate is prepared by cooling a base material by a coolant in a rapid cooling friction stir processing process, wherein the coolant comprises liquid CO2Or in the liquid state C5H12。
8. Use of the method of manufacturing a metal sheet according to claims 1 to 6 for the manufacture of a metal sheet.
9. An apparatus for performing sheet metal production, the apparatus being for performing sheet metal production as recited in claim 7, the apparatus comprising a friction stir machine, the apparatus further comprising:
the temperature measuring device (1) is used for detecting the temperature of the metal plate and comprises a K-type thermocouple (11) and a temperature recorder (12), wherein the K-type thermocouple (11) and the temperature recorder are connected, the K-type thermocouple (11) penetrates through a mounting hole (2) formed in the edge of the base material, and the time interval for collecting the temperature is set to be 1-3 s;
the coolant storage tank is provided with a plurality of communicated coolant injection pipes (3) and stirring heads (4) for realizing stirring friction processing.
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CN113798930A (en) * 2021-09-23 2021-12-17 天津大学 High-precision metal mirror surface machining method based on stirring friction treatment
CN115216764A (en) * 2022-04-12 2022-10-21 南京工业大学 Method for preparing gradient material by laser melting deposition composite stirring friction treatment

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CN107378228A (en) * 2017-07-13 2017-11-24 河海大学常州校区 A kind of quick cooling and stirring friction welding method of fine copper
CN109623130A (en) * 2018-12-11 2019-04-16 西安理工大学 A kind of preparation method of complex intensifying aluminium alloy
CN109940163A (en) * 2019-05-15 2019-06-28 四川大学 A kind of post-processing approach for strengthening 3D printing metal component surface abrasion resistance

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CN113798930A (en) * 2021-09-23 2021-12-17 天津大学 High-precision metal mirror surface machining method based on stirring friction treatment
CN115216764A (en) * 2022-04-12 2022-10-21 南京工业大学 Method for preparing gradient material by laser melting deposition composite stirring friction treatment

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