CN113292924A - Heat-resistant and wear-resistant composite board and preparation method thereof - Google Patents

Heat-resistant and wear-resistant composite board and preparation method thereof Download PDF

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Publication number
CN113292924A
CN113292924A CN202110526812.XA CN202110526812A CN113292924A CN 113292924 A CN113292924 A CN 113292924A CN 202110526812 A CN202110526812 A CN 202110526812A CN 113292924 A CN113292924 A CN 113292924A
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resistant
heat
wear
percent
modified
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CN113292924B (en
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张军
邓航海
李昆
赵有恒
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Jiangsu Wodun Wear Resistant New Material Co ltd
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Jiangsu Wodun Wear Resistant New Material Co ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04Polysiloxanes
    • C09D183/08Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00Processes for applying liquids or other fluent materials
    • B05D1/02Processes for applying liquids or other fluent materials performed by spraying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/002Pretreatement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/10Interconnection of layers at least one layer having inter-reactive properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • C09D7/62Additives non-macromolecular inorganic modified by treatment with other compounds
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2401/00Form of the coating product, e.g. solution, water dispersion, powders or the like
    • B05D2401/10Organic solvent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554Wear resistance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/712Weather resistant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/714Inert, i.e. inert to chemical degradation, corrosion
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • C08K2003/382Boron-containing compounds and nitrogen
    • C08K2003/385Binary compounds of nitrogen with boron
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/244Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

Abstract

The invention discloses a heat-resistant and wear-resistant composite board and a preparation method thereof, and particularly relates to the technical field of composite boards, wherein the heat-resistant and wear-resistant composite board comprises the following components: the wear-resistant alloy plate comprises a base plate, a wear-resistant alloy plate, a heat-resistant glue layer and wear-resistant coating powder. The heat resistance of the heat-resistant and wear-resistant composite board can be effectively improved, so that the heat inside the composite board is more uniformly distributed, the internal damage of the composite board is reduced, the service life is prolonged, and the wear resistance of the composite board is improved; the heat resistance of the heat-resistant adhesive layer can be improved by the modified nano tin antimony oxide and the modified nano boron nitride; modified silicon carbide whisker and modified nanometer titanium diboride can strengthen the heat-resisting and wear-resisting property of wear-resisting coating to improve the heat-resisting and wear-resisting property of composite sheet, adopt glue even and the connection that the cooperation of brazing two kinds of mode realized base plate and wear-resisting alloy board, can effectively strengthen the stability that the composite sheet connected, local heat direct transmission to base plate is avoided in multilayer annular distribution, is heated more evenly.

Description

Heat-resistant and wear-resistant composite board and preparation method thereof
Technical Field
The invention relates to the technical field of composite boards, in particular to a heat-resistant and wear-resistant composite board and a preparation method thereof.
Background
Composite panels are generally divided into: metal composite panels, wood composite panels, color steel composite panels, rock wool composite panels, and the like. The composite board has a board formed by layering different materials with different functions. Such as concrete for roofing, a three-in-one board of foam insulation and surface waterproof layer, and a sandwich board is also one of the composite boards. A wear-resistant composite plate, i.e. a bimetal multi-layer wear-resistant steel plate, is a plate product specially used for large-area wear working conditions, and is formed by overlaying a common steel plate or a heat-resistant steel plate or a stainless steel plate to form Cr with the volume fraction of more than 50 percent7C3Carbide-based alloy wear resistant layers. The wear-resistant steel plate has the performances of high wear resistance, impact resistance, deformability, weldability and the like, can be directly processed into engineering parts like steel plates in the processing links of crimping deformation, cutting, punching and the like, and meets the requirement of putting into use of wear industrial and mining.
The existing wear-resistant composite board has poor heat resistance, uneven heat distribution in the composite board and easy damage in the composite board, and the service life of the existing wear-resistant composite board is shortened.
Disclosure of Invention
In order to overcome the above defects of the prior art, embodiments of the present invention provide a heat-resistant and wear-resistant composite plate and a method for manufacturing the same.
In order to achieve the purpose, the invention provides the following technical scheme: a heat and abrasion resistant composite panel comprising: the wear-resistant alloy plate comprises a base plate, a wear-resistant alloy plate, a heat-resistant adhesive layer and a wear-resistant coating;
further, the heat-resistant glue layer comprises the following components in percentage by weight: 16.0-20.0% of silicon boron rubber, 13.0-15.0% of epoxy resin, 0.96-1.64% of modified nano tin antimony oxide, 0.86-1.74% of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.25-1.75% of modified silicon carbide whisker, 0.94-1.36% of modified nano titanium diboride, 16.0-20.0% of epoxy resin and the balance of ethanol.
Further, the heat-resistant glue layer comprises the following components in percentage by weight: 16.0 percent of silicon boron rubber, 13.0 percent of epoxy resin, 0.96 percent of modified nano tin antimony oxide, 0.86 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.25 percent of modified silicon carbide whisker, 0.94 percent of modified nanometer titanium diboride, 16.0 percent of epoxy resin and the balance of ethanol.
Further, the heat-resistant glue layer comprises the following components in percentage by weight: 20.0 percent of silicon boron rubber, 15.0 percent of epoxy resin, 1.64 percent of modified nano tin antimony oxide, 1.74 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.75 percent of modified silicon carbide whisker, 1.36 percent of modified nanometer titanium diboride, 20.0 percent of epoxy resin and the balance of ethanol.
Further, the heat-resistant glue layer comprises the following components in percentage by weight: 18.0 percent of silicon boron rubber, 14.0 percent of epoxy resin, 1.30 percent of modified nano tin antimony oxide, 1.30 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.50 percent of modified silicon carbide whisker, 1.15 percent of modified nanometer titanium diboride, 18.0 percent of epoxy resin and the balance of ethanol.
Further, the modified nanometer tin antimony oxide, the modified nanometer boron nitride, the modified silicon carbide whisker and the modified nanometer titanium diboride are respectively subjected to surface modification treatment by adopting a vacuum plasma cleaning machine.
The invention also provides a preparation method of the heat-resistant and wear-resistant composite board, which comprises the following specific preparation steps:
the method comprises the following steps: preparing a heat-resistant glue layer base material: weighing the silicon boron rubber, the epoxy resin, the modified nano tin antimony oxide, the modified nano boron nitride and the ethanol in percentage content, sequentially adding the silicon boron rubber, the epoxy resin, the modified nano tin antimony oxide and the modified nano boron nitride into the ethanol, heating to 50-60 ℃ in vacuum, and simultaneously performing ultrasonic oscillation treatment for 2-3 hours to obtain a heat-resistant adhesive layer base material;
step two: preparing a wear-resistant coating base material, weighing the modified silicon carbide whiskers, the modified nano titanium diboride, the epoxy resin and the ethanol in percentage, then sequentially adding the epoxy resin, the modified silicon carbide whiskers and the modified nano titanium diboride into the ethanol, heating to 60-70 ℃ in vacuum, and simultaneously carrying out ultrasonic oscillation treatment for 2-3 hours to obtain the wear-resistant coating base material;
step three: spraying the base materials of the heat-resistant glue layers prepared in the step one from inside to outside between the base plate and the wear-resistant alloy plate to form a plurality of annular heat-resistant glue layers, meanwhile, paving brazing filler metal between the base plate and the wear-resistant alloy plate to form a plurality of layers of annular plate blanks, arranging the annular heat-resistant glue layers and the annular plate blanks in a staggered mode, and then carrying out brazing treatment on the base plate and the wear-resistant alloy plate to obtain a composite plate;
step four: carrying out ultrasonic cleaning treatment on the surface of the composite board prepared in the third step to obtain a clean composite board;
step five: and D, carrying out vacuum spraying treatment on the wear-resistant coating base material prepared in the step two on the surface of the clean composite board prepared in the step four to obtain the heat-resistant wear-resistant composite board.
Further, mechanical stirring is performed while the ultrasonic oscillation treatment is performed in the first step and the second step.
Further, in the third step, each annular heat-resistant glue layer is positioned between two annular plate blanks.
Furthermore, intermittent ultrasonic oscillation treatment is adopted in the first step and the second step, the ultrasonic oscillation treatment is carried out once every 10min, and each ultrasonic oscillation treatment is carried out for 10 min.
The invention has the technical effects and advantages that:
1. the heat-resistant and wear-resistant composite board prepared by adopting the raw material formula can effectively improve the heat resistance of the heat-resistant and wear-resistant composite board, so that the heat distribution in the composite board is more uniform, the internal damage of the composite board is reduced, the service life is prolonged, and the wear resistance of the composite board is improved; the modified nanometer tin antimony oxide in the formula has good weather resistance and stability and ultra-good heat insulation performance, and can effectively improve the heat resistance of the heat-resistant adhesive layer; the modified nano boron nitride is an insulating material with extremely stable chemical property, low thermal expansion coefficient, excellent high thermal conductivity at high temperature and good thermal stability, and further improves the heat resistance of the heat-resistant adhesive layer; the modified silicon carbide whisker has stable chemical property, high heat conductivity coefficient, small thermal expansion coefficient and high hardness, thereby improving the wear resistance, high temperature resistance, corrosion resistance and acid and alkali resistance of the composite board; the modified nanometer titanium diboride has high melting point, high hardness, wear resistance, acid and alkali resistance, excellent electrical conductivity, strong thermal conductivity, excellent chemical stability and thermal shock resistance, high oxidation resistance temperature, and further enhances the heat resistance and wear resistance of the wear-resistant coating, thereby improving the heat resistance and wear resistance of the composite board;
2. in the process of preparing the heat-resistant and wear-resistant composite board, the connection of the base plate and the wear-resistant alloy plate is realized by matching two modes of gluing and brazing in the third step, the connection stability of the composite board can be effectively enhanced, the heat-resistant glue layer and the brazed plate blank are arranged into a ring shape and distributed in a multi-layer ring shape, after the composite board is heated, the heat enters the ring-shaped brazing part and the ring-shaped heat-resistant glue for buffer treatment in the heat transfer process, the local heat is prevented from being directly transferred to the base plate, the heating is more uniform, the damage in the composite board can be effectively reduced, the ring-shaped heat-resistant glue layer and the ring-shaped plate blank are arranged in a staggered mode, the heat transfer of brazing and the heat transfer of heat resistance of the heat-resistant glue layer are alternately carried out, the uniformity of the heat in the composite board is further improved, the damage in the composite board is further reduced, the ultrasonic cleaning treatment is carried out on the surface of the composite board in the fourth step, and the coating effect of a subsequent wear-resistant coating on the surface of the composite board can be effectively improved, the wear-resistant coating is uniformly distributed, the surface of the wear-resistant coating is smoother and smoother, and the wear resistance of the composite board is further improved.
Detailed Description
The following will clearly and completely describe the technical solutions 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 embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the invention provides a heat-resistant and wear-resistant composite board, which comprises: the wear-resistant alloy plate comprises a base plate, a wear-resistant alloy plate, a heat-resistant adhesive layer and a wear-resistant coating;
the heat-resistant adhesive layer comprises the following components in percentage by weight: 16.0 percent of silicon boron rubber, 13.0 percent of epoxy resin, 0.96 percent of modified nano tin antimony oxide, 0.86 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.25 percent of modified silicon carbide whisker, 0.94 percent of modified nano titanium diboride, 16.0 percent of epoxy resin and the balance of ethanol;
the modified nanometer tin antimony oxide, the modified nanometer boron nitride, the modified silicon carbide whisker and the modified nanometer titanium diboride are respectively subjected to surface modification treatment by adopting a vacuum plasma cleaning machine;
the invention also provides a preparation method of the heat-resistant and wear-resistant composite board, which comprises the following specific preparation steps:
the method comprises the following steps: preparing a heat-resistant glue layer base material: weighing the silicon boron rubber, the epoxy resin, the modified nano tin antimony oxide, the modified nano boron nitride and the ethanol in percentage content, sequentially adding the silicon boron rubber, the epoxy resin, the modified nano tin antimony oxide and the modified nano boron nitride into the ethanol, heating to 50-60 ℃ in vacuum, and simultaneously performing ultrasonic oscillation treatment for 2-3 hours to obtain a heat-resistant adhesive layer base material;
step two: preparing a wear-resistant coating base material, weighing the modified silicon carbide whiskers, the modified nano titanium diboride, the epoxy resin and the ethanol in percentage, then sequentially adding the epoxy resin, the modified silicon carbide whiskers and the modified nano titanium diboride into the ethanol, heating to 60-70 ℃ in vacuum, and simultaneously carrying out ultrasonic oscillation treatment for 2-3 hours to obtain the wear-resistant coating base material;
step three: spraying the base materials of the heat-resistant glue layers prepared in the step one from inside to outside between the base plate and the wear-resistant alloy plate to form a plurality of annular heat-resistant glue layers, meanwhile, paving brazing filler metal between the base plate and the wear-resistant alloy plate to form a plurality of layers of annular plate blanks, arranging the annular heat-resistant glue layers and the annular plate blanks in a staggered mode, and then carrying out brazing treatment on the base plate and the wear-resistant alloy plate to obtain a composite plate;
step four: carrying out ultrasonic cleaning treatment on the surface of the composite board prepared in the third step to obtain a clean composite board;
step five: and D, carrying out vacuum spraying treatment on the wear-resistant coating base material prepared in the step two on the surface of the clean composite board prepared in the step four to obtain the heat-resistant wear-resistant composite board.
And performing mechanical stirring while performing ultrasonic oscillation treatment in the first step and the second step.
Example 2:
different from the embodiment 1, the heat-resistant glue layer comprises the following components in percentage by weight: 20.0 percent of silicon boron rubber, 15.0 percent of epoxy resin, 1.64 percent of modified nano tin antimony oxide, 1.74 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.75 percent of modified silicon carbide whisker, 1.36 percent of modified nanometer titanium diboride, 20.0 percent of epoxy resin and the balance of ethanol.
Example 3:
different from the embodiments 1-2, the heat-resistant glue layer comprises the following components in percentage by weight: 18.0 percent of silicon boron rubber, 14.0 percent of epoxy resin, 1.30 percent of modified nano tin antimony oxide, 1.30 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.50 percent of modified silicon carbide whisker, 1.15 percent of modified nanometer titanium diboride, 18.0 percent of epoxy resin and the balance of ethanol.
The prepared heat-resistant wear-resistant composite boards prepared in the embodiments 1 to 3 are respectively taken to be tested with a first-control wear-resistant composite board, a second-control wear-resistant composite board, a third-control wear-resistant composite board, a fourth-control wear-resistant composite board, a fifth-control wear-resistant composite board, a sixth-control wear-resistant composite board and a seventh-control wear-resistant composite board, the first-control wear-resistant composite board does not have a heat-resistant glue layer and a wear-resistant coating compared with the embodiments, the second-control wear-resistant composite board does not have a heat-resistant glue layer compared with the embodiments, the third-control wear-resistant composite board does not have a wear-resistant coating compared with the embodiments, the fourth-control wear-resistant composite board does not have modified nano tin antimony oxide as a raw material compared with the embodiments, the fifth-control wear-resistant composite board does not have modified nano boron nitride compared with the embodiments, and the sixth-control wear-resistant composite board does not have modified silicon carbide whiskers compared with the embodiments, compared with the embodiment, the wear-resistant composite board of the comparison group seven has no modified nanometer titanium diboride, the wear-resistant composite boards prepared in the three embodiments and the wear-resistant composite boards of the seven comparison groups are respectively tested by ten groups, each 30 samples are taken as one group for testing, and the test results are shown in the table one:
table one:
Figure BDA0003065865870000051
Figure BDA0003065865870000061
as can be seen from the first table, the heat-resistant adhesive layer in the heat-resistant and wear-resistant composite plate comprises the following components in percentage by weight: 18.0 percent of silicon boron rubber, 14.0 percent of epoxy resin, 1.30 percent of modified nano tin antimony oxide, 1.30 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: when 1.50% of modified silicon carbide whisker, 1.15% of modified nano titanium diboride, 18.0% of epoxy resin and the balance of ethanol are adopted, the heat resistance of the heat-resistant and wear-resistant composite plate can be effectively improved, so that the heat distribution in the composite plate is more uniform, the internal damage of the composite plate is reduced, the service life is prolonged, and the wear resistance of the composite plate is improved; therefore, the embodiment 3 is a preferred embodiment of the present invention, the modified nano tin antimony oxide in the formula has good weather resistance and stability, and ultra-good heat insulation performance, and has significant effects in the aspects of activity resistance, thermoplasticity resistance, wear resistance, dispersibility, and safety, and the modified nano tin antimony oxide has further improved performances in various aspects, and can effectively improve the heat resistance of the heat-resistant adhesive layer, thereby improving the heat resistance of the composite board; the modified nano boron nitride has high purity, small particle size, large specific surface area and high surface activity, the crystal structure has a graphite-like layered structure, the properties of looseness, lubrication, light weight and the like are presented, the chemical property is extremely stable, the thermal expansion coefficient is low, the high-thermal-conductivity insulating material is excellent at high temperature, the thermal stability is good, the modified nano boron nitride can overcome some defects of the modified nano boron nitride, other properties are improved, and the heat resistance of the heat-resistant adhesive layer is further improved; the silicon boron rubber and the epoxy resin are main supporting raw materials of the heat-resistant adhesive layer, and the heat resistance and elasticity of the silicon boron rubber and the epoxy resin jointly ensure the heat resistance and the adhesive basic performance of the heat-resistant adhesive layer; the modified silicon carbide crystal whisker has high purity, small particle size distribution range and high specific surface area; the nano silicon carbide has stable chemical properties, high heat conductivity coefficient, small thermal expansion coefficient and high hardness, the nano silicon carbide has excellent heat conductivity and can resist oxidation at high temperature, and the modified silicon carbide whisker can effectively ensure the wear resistance, high temperature resistance, corrosion resistance and acid and alkali resistance of the wear-resistant coating, thereby improving the wear resistance, high temperature resistance, corrosion resistance and acid and alkali resistance of the composite board; the modified nanometer titanium diboride has high purity, small particle size, even distribution, large specific surface area and high surface activity, the superfine titanium boride ceramic powder is gray black powder, the powder particles have a complete hexagonal crystal structure, high melting point, high hardness, wear resistance, acid and alkali resistance, excellent electrical conductivity, strong thermal conductivity, excellent chemical stability and thermal shock resistance and high oxidation temperature resistance, and the modified nanometer titanium diboride can effectively improve the self performance and further strengthen the heat resistance and wear resistance of a wear-resistant coating, thereby improving the heat resistance and wear resistance of the composite board.
Example 4
In the above preferred technical solution, the present invention provides a heat-resistant and wear-resistant composite plate, including: the wear-resistant alloy plate comprises a base plate, a wear-resistant alloy plate, a heat-resistant adhesive layer and a wear-resistant coating;
the heat-resistant adhesive layer comprises the following components in percentage by weight: 18.0 percent of silicon boron rubber, 14.0 percent of epoxy resin, 1.30 percent of modified nano tin antimony oxide, 1.30 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.50 percent of modified silicon carbide whisker, 1.15 percent of modified nano titanium diboride, 18.0 percent of epoxy resin and the balance of ethanol;
the modified nanometer tin antimony oxide, the modified nanometer boron nitride, the modified silicon carbide whisker and the modified nanometer titanium diboride are respectively subjected to surface modification treatment by adopting a vacuum plasma cleaning machine;
the invention also provides a preparation method of the heat-resistant and wear-resistant composite board, which comprises the following specific preparation steps:
the method comprises the following steps: preparing a heat-resistant glue layer base material: weighing the silicon boron rubber, the epoxy resin, the modified nano tin antimony oxide, the modified nano boron nitride and the ethanol in percentage content, sequentially adding the silicon boron rubber, the epoxy resin, the modified nano tin antimony oxide and the modified nano boron nitride into the ethanol, heating to 50-60 ℃ in vacuum, and simultaneously performing ultrasonic oscillation treatment for 2-3 hours to obtain a heat-resistant adhesive layer base material;
step two: preparing a wear-resistant coating base material, weighing the modified silicon carbide whiskers, the modified nano titanium diboride, the epoxy resin and the ethanol in percentage, then sequentially adding the epoxy resin, the modified silicon carbide whiskers and the modified nano titanium diboride into the ethanol, heating to 60-70 ℃ in vacuum, and simultaneously carrying out ultrasonic oscillation treatment for 2-3 hours to obtain the wear-resistant coating base material;
step three: spraying the base materials of the heat-resistant glue layers prepared in the step one from inside to outside between the base plate and the wear-resistant alloy plate to form a plurality of annular heat-resistant glue layers, meanwhile, paving brazing filler metal between the base plate and the wear-resistant alloy plate to form a plurality of layers of annular plate blanks, arranging the annular heat-resistant glue layers and the annular plate blanks in a staggered mode, and then carrying out brazing treatment on the base plate and the wear-resistant alloy plate to obtain a composite plate;
step four: carrying out ultrasonic cleaning treatment on the surface of the composite board prepared in the third step to obtain a clean composite board;
step five: and D, carrying out vacuum spraying treatment on the wear-resistant coating base material prepared in the step two on the surface of the clean composite board prepared in the step four to obtain the heat-resistant wear-resistant composite board.
And performing mechanical stirring while performing ultrasonic oscillation treatment in the first step and the second step.
Example 5
Unlike example 4, in step three, each annular layer of heat-resistant glue is located between two annular blanks.
Example 6
Unlike in each of examples 4 to 5, the ultrasonic oscillation treatment was performed at intervals of 10min in the first and second steps, and was performed for 10min each time.
Taking the heat-resistant wear-resistant composite board prepared in the above examples 4-6, the wear-resistant composite board of the eight control group, the wear-resistant composite board of the nine control group, the wear-resistant composite board of the ten control group and the wear-resistant composite board of the eleven control group respectively to carry out experiments, wherein the wear-resistant composite board of the eight control group directly uses the heat-resistant adhesive layer base material to laminate and glue the base plate and the alloy board compared with the examples, the heat-resistant adhesive layer and the slab are sprayed in a planar sheet shape in the third step compared with the examples, the heat-resistant adhesive layer and the slab are distributed in a laminated manner, the wear-resistant composite board of the ten control group is distributed inside and outside compared with the examples, the wear-resistant composite board of the eleven control group has no operation in the fourth step compared with the examples, and the wear-resistant composite boards prepared in the three examples and the wear-resistant composite boards of the four control groups are respectively tested in seven groups, every 30 samples are taken as a group, and the test results are shown in the table two:
table two:
Figure BDA0003065865870000081
as can be seen from table two, in the process of preparing the heat-resistant and wear-resistant composite board, when the preparation method in the example four is the preferred scheme of the present invention, the heat-resistant glue layer base material and the wear-resistant coating base material are prepared in the step one and the step two, respectively; in the third step, two modes of gluing and brazing are adopted to realize the connection of the base plate and the wear-resistant alloy plate, the connection stability of the composite plate can be effectively enhanced, the heat-resistant glue layer and the brazed plate blank are arranged into a ring shape and distributed in a multilayer ring shape, after the composite plate is heated, the heat enters the ring-shaped brazing part and the ring-shaped heat-resistant glue for buffer treatment in the heat transfer process, the local heat is prevented from being directly transferred to the base plate, the heating is more uniform, the damage in the composite plate can be effectively reduced, in addition, the ring-shaped heat-resistant glue layer and the ring-shaped plate blank are arranged in a staggered mode, the heat transfer of brazing and the heat transfer of the heat-resistant glue layer are alternately carried out, the uniformity of the heat in the composite plate is further improved, the damage in the composite plate is further reduced, the ultrasonic cleaning treatment is carried out on the surfaces of the composite plate in the fourth step, the coating effect of the follow-up wear-resistant coating on the surfaces of the composite plate can be effectively improved, and the wear-resistant coating is uniformly distributed, the surface of the wear-resistant coating is smoother and smoother, and the wear resistance of the composite board is further improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A heat-resistant and wear-resistant composite board is characterized in that: the method comprises the following steps: the wear-resistant alloy plate comprises a base plate, a wear-resistant alloy plate, a heat-resistant glue layer and a wear-resistant coating.
2. A heat and abrasion resistant composite panel according to claim 1, wherein: the heat-resistant adhesive layer comprises the following components in percentage by weight: 16.0-20.0% of silicon boron rubber, 13.0-15.0% of epoxy resin, 0.96-1.64% of modified nano tin antimony oxide, 0.86-1.74% of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.25-1.75% of modified silicon carbide whisker, 0.94-1.36% of modified nano titanium diboride, 16.0-20.0% of epoxy resin and the balance of ethanol.
3. A heat and abrasion resistant composite panel according to claim 2, wherein: the heat-resistant adhesive layer comprises the following components in percentage by weight: 16.0 percent of silicon boron rubber, 13.0 percent of epoxy resin, 0.96 percent of modified nano tin antimony oxide, 0.86 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.25 percent of modified silicon carbide whisker, 0.94 percent of modified nanometer titanium diboride, 16.0 percent of epoxy resin and the balance of ethanol.
4. A heat and abrasion resistant composite panel according to claim 2, wherein: the heat-resistant adhesive layer comprises the following components in percentage by weight: 20.0 percent of silicon boron rubber, 15.0 percent of epoxy resin, 1.64 percent of modified nano tin antimony oxide, 1.74 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.75 percent of modified silicon carbide whisker, 1.36 percent of modified nanometer titanium diboride, 20.0 percent of epoxy resin and the balance of ethanol.
5. A heat and abrasion resistant composite panel according to claim 2, wherein: the heat-resistant adhesive layer comprises the following components in percentage by weight: 18.0 percent of silicon boron rubber, 14.0 percent of epoxy resin, 1.30 percent of modified nano tin antimony oxide, 1.30 percent of modified nano boron nitride and the balance of ethanol; the wear-resistant coating comprises the following components in percentage by weight: 1.50 percent of modified silicon carbide whisker, 1.15 percent of modified nanometer titanium diboride, 18.0 percent of epoxy resin and the balance of ethanol.
6. A heat and abrasion resistant composite panel according to claim 2, wherein: the modified nanometer tin antimony oxide, the modified nanometer boron nitride, the modified silicon carbide whisker and the modified nanometer titanium diboride are respectively subjected to surface modification treatment by adopting a vacuum plasma cleaning machine.
7. A method of making a heat and wear resistant composite panel according to any of claims 2-6, wherein: the preparation method comprises the following specific steps:
the method comprises the following steps: preparing a heat-resistant glue layer base material: weighing the silicon boron rubber, the epoxy resin, the modified nano tin antimony oxide, the modified nano boron nitride and the ethanol in percentage content, sequentially adding the silicon boron rubber, the epoxy resin, the modified nano tin antimony oxide and the modified nano boron nitride into the ethanol, heating to 50-60 ℃ in vacuum, and simultaneously performing ultrasonic oscillation treatment for 2-3 hours to obtain a heat-resistant adhesive layer base material;
step two: preparing a wear-resistant coating base material, weighing the modified silicon carbide whiskers, the modified nano titanium diboride, the epoxy resin and the ethanol in percentage, then sequentially adding the epoxy resin, the modified silicon carbide whiskers and the modified nano titanium diboride into the ethanol, heating to 60-70 ℃ in vacuum, and simultaneously carrying out ultrasonic oscillation treatment for 2-3 hours to obtain the wear-resistant coating base material;
step three: spraying the base materials of the heat-resistant glue layers prepared in the step one from inside to outside between the base plate and the wear-resistant alloy plate to form a plurality of annular heat-resistant glue layers, meanwhile, paving brazing filler metal between the base plate and the wear-resistant alloy plate to form a plurality of layers of annular plate blanks, arranging the annular heat-resistant glue layers and the annular plate blanks in a staggered mode, and then carrying out brazing treatment on the base plate and the wear-resistant alloy plate to obtain a composite plate;
step four: carrying out ultrasonic cleaning treatment on the surface of the composite board prepared in the third step to obtain a clean composite board;
step five: and D, carrying out vacuum spraying treatment on the wear-resistant coating base material prepared in the step two on the surface of the clean composite board prepared in the step four to obtain the heat-resistant wear-resistant composite board.
8. The method of manufacturing a heat and abrasion resistant composite panel according to claim 7, wherein: and performing mechanical stirring while performing ultrasonic oscillation treatment in the first step and the second step.
9. The method of manufacturing a heat and abrasion resistant composite panel according to claim 7, wherein: in step three, each annular heat-resistant glue layer is positioned between two annular plate blanks.
10. The method of manufacturing a heat and abrasion resistant composite panel according to claim 7, wherein: in the first step and the second step, intermittent ultrasonic oscillation treatment is adopted, ultrasonic oscillation treatment is carried out once every 10min, and each ultrasonic oscillation treatment is carried out for 10 min.
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