CN106699212A - Compound ceramic substrate and preparation method thereof - Google Patents
Compound ceramic substrate and preparation method thereof Download PDFInfo
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- CN106699212A CN106699212A CN201611239204.6A CN201611239204A CN106699212A CN 106699212 A CN106699212 A CN 106699212A CN 201611239204 A CN201611239204 A CN 201611239204A CN 106699212 A CN106699212 A CN 106699212A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 76
- 239000000758 substrate Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title abstract description 15
- 150000001875 compounds Chemical class 0.000 title abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 40
- 238000002156 mixing Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 13
- 230000000996 additive effect Effects 0.000 claims abstract description 13
- 238000005245 sintering Methods 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000011224 oxide ceramic Substances 0.000 claims abstract description 6
- 229910052574 oxide ceramic Inorganic materials 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000003365 glass fiber Substances 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 13
- 238000007731 hot pressing Methods 0.000 claims description 12
- 235000013312 flour Nutrition 0.000 claims description 11
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 239000007767 bonding agent Substances 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000005995 Aluminium silicate Substances 0.000 claims description 8
- 235000012211 aluminium silicate Nutrition 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 8
- 239000011268 mixed slurry Substances 0.000 claims description 8
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical group NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 6
- 229940018564 m-phenylenediamine Drugs 0.000 claims description 6
- 229920000914 Metallic fiber Polymers 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 229910033181 TiB2 Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910007948 ZrB2 Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- -1 mellophanic acid acid anhydride Chemical class 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- KZTYYGOKRVBIMI-UHFFFAOYSA-N diphenyl sulfone Chemical compound C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 claims 2
- XEVRDFDBXJMZFG-UHFFFAOYSA-N carbonyl dihydrazine Chemical compound NNC(=O)NN XEVRDFDBXJMZFG-UHFFFAOYSA-N 0.000 claims 1
- 238000005242 forging Methods 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 238000004513 sizing Methods 0.000 abstract 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 230000000505 pernicious effect Effects 0.000 description 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 5
- 229910052582 BN Inorganic materials 0.000 description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000004383 yellowing Methods 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 235000010215 titanium dioxide Nutrition 0.000 description 3
- 238000004018 waxing Methods 0.000 description 2
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
- C04B35/82—Asbestos; Glass; Fused silica
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/583—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
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- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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Abstract
The invention provides a compound ceramic substrate which is prepared from a sizing mixture and a base material, wherein the sizing mixture is prepared from the following materials in parts by weight: 50-85 parts of ceramic powder, 5-40 parts of an adhesive agent, 3-5 parts of an additive and 1-5 parts of a curing agent, wherein the particle size of the ceramic powder is 1-10 mu m; the ceramic powder is one or more of oxide ceramic powder, nitrogen ceramic powder, boride ceramic powder and carbide ceramic powder. The compound ceramic substrate is prepared by performing mixing, coating, pre-baking and hot pressed sintering processes on the mixture prepared from the ceramic powder, the adhesive agent, the additive and the curing agent, and the base material. The compound ceramic substrate has certain special properties of ceramic; furthermore, a preparation technology is simple, the sintering temperature in a preparation process is low, and basically no harmful gas overflows during the process, so that the compound ceramic substrate is a novel green ceramic material.
Description
Technical field
The invention belongs to composite ceramic material technical field, and in particular to a kind of composite ceramics substrate and preparation method thereof.
Background technology
Ceramic material has high temperature resistant, high pressure resistant, wear-resisting, corrosion resistance.Special ceramic material is even more to possess excellent
Electric property, optical property even magnetic performance.Its product is widely used in Aero-Space, high-power structural element and function
In property part.
Traditional ceramic objectses add the mixing of wax bonding agent using ceramic powder, and molded being put into stove of reheating is arranged
Wax, being finally put into the semi-finished product that de-waxing is completed carries out high temperature sintering in high temperature furnace.This method needs to consume substantial amounts of energy, and
Atmosphere pollution is produced during de-waxing.
The content of the invention
The present invention is intended to provide a kind of composite ceramics substrate and preparation method thereof, by ceramic powder, bonding agent, additive,
The compound and matrix material of curing agent composition, a kind of ceramic material is obtained by mixing, coating, prebake conditions, hot pressed sintering process
Material.The material has that intensity is high, hardness is high, the special property with ceramics, and manufacture craft is simple, and temperature is sintered in preparation process
Degree it is low, during go out without pernicious gas benefit substantially, be a kind of novel green ceramic material.
What the present invention was realized in：
A kind of composite ceramics substrate, including mixed slurry and matrix material, the mixed slurry include following composition materials：
The ceramic powder of 50-85 weight portions,
The bonding agent of 5-40 weight portions,
The additive of 3-5 weight portions,
The curing agent of 1-5 weight portions,
Wherein：
The particle diameter of the ceramic powder is 1-10um,
The ceramic powder is oxide ceramic powder body, nitride ceramics powder, boride ceramics powder and carbide pottery
One or more in porcelain powder.
Preferably, the oxide ceramic powder body is Al2O3、ZrO2, BeO, MgO and TiO2In one or more.
Preferably, the nitridation ceramic powder is AlN, BN, Si3N4, ZrN one or more.
Preferably, the boride ceramics powder is ZrB2And TiB2In one or two.
Preferably, the carbide ceramics powder is B4One or more in C, SiC, ZrC, TiC and WC.
Preferably, the bonding agent is thermosetting epoxy resin or heat curing-type modified epoxy.
Preferably, the additive be diatomite, talcum powder, calcined kaolin, silica flour and titanium dioxide in one kind or
It is several.
Preferably, the curing agent is in m-phenylene diamine (MPD), diamino diphenyl sulfone, trimellitic anhydride and mellophanic acid acid anhydride
One or more.
Preferably, described matrix material is one or more in carbon fiber, glass fibre, polyester fiber and metallic fiber
Mixing, the metallic fiber is in aluminum fiber net, stainless steel fiber web, copper fiber net, titanium fleece and magnesium alloy fleece
It is combined for one or more.
According to another aspect of the present invention, a kind of method for preparing above-mentioned composite ceramics substrate, comprises the following steps：
S1：Batch mixing：Ceramic powder, bonding agent, additive and the curing agent of dosage are weighed, is put into blender and is mixed 1-5
Hour, obtain batch mixing；
S2：Coating：Matrix material is tiled, then batch mixing is coated uniformly on the surface of stock；
S3：Prebake conditions：The matrix material that batch mixing will have been coated is put into baking oven, and 30-60 is toasted under the conditions of 80-140 DEG C
Minute, obtain pre impregnated material；
S4：Hot pressed sintering：Pre impregnated material is taken out, is put into hot press, at 150-220 DEG C, pressure is 20-
Hot pressing 1-5 hours under 100MPa；
S5：After the completion of hot pressing, room temperature is cooled to, obtains composite ceramics substrate.
Compared with prior art, composite ceramics substrate of the invention not only has the special property of ceramics, and manufacture craft
Simply, sintering temperature is low in preparation process, during go out without pernicious gas benefit substantially, be a kind of novel green ceramic material.
Specific embodiment
Specific embodiment of the invention is described in detail below.It should be appreciated that described herein specific
Implementation method is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Embodiment 1
Al2O3Ceramic mixed slurry, including following composition materials：
80 weight portion particle diameter D50 are the Al of 1um2O3Ceramic powder,
The E-20 type epoxy resin of 15 weight portions,
The titanium dioxide of the talcum powder of 1 weight portion, the silica flour of 1 weight portion and 1 weight portion,
The m-phenylene diamine (MPD) of 2 weight portions.
The preparation technology of composite ceramics substrate is as follows：
S1：Batch mixing：Weigh the Al that 80 weight portion particle diameter D50 are 1um2O3The E-20 type asphalt mixtures modified by epoxy resin of ceramic powder, 15 weight portions
Between the titanium white flour additive agent and 2 weight portions of fat bonding agent, the talcum powder of 1 weight portion, the silica flour of 1 weight portion and 1 weight portion
Phenylenediamine curing agent, is put into V-arrangement batch mixer and mixes 5 hours, obtains batch mixing；
S2：Coating：Selection glass fabric is matrix material, and glass fibre is tiled, then batch mixing is uniformly coated
On the surface of glass fibre；
S3：Prebake conditions：The glass fibre that batch mixing will have been coated is put into baking oven, is toasted 30 minutes under the conditions of 80 DEG C, is obtained
To pre impregnated material；
S4：Hot pressed sintering：Pre-preg material is taken out, is put into hot press, at 150 DEG C, pressure is hot pressing 3 under 50MPa
Hour；
S5：After the completion of hot pressing, room temperature is cooled to, obtains composite ceramics substrate.
Gained alumina ceramic composite material surface smoothness is good, and hardness is 6.5, and fracture toughness is 6.5Mpam1/2, tension
Intensity is 50MPa, and bending strength is 150MPa, and heatproof is up to 180 DEG C of non yellowings, thermal conductivity 10W/mK, thermal coefficient of expansion
6.2×10-5/℃.Produced without pernicious gas in preparation process.
Embodiment 2
Zirconia ceramics mixed slurry, including following composition materials：
85 weight portion particle diameter D50 are the zirconia ceramics powder of 10um,
The E-03 type epoxy resin of 10 weight portions,
The calcined kaolin of the talcum powder of 1 weight portion, the silica flour of 1 weight portion and 1 weight portion,
The trimellitic anhydride of 2 weight portions.
The preparation technology of composite ceramics substrate is as follows：
S1：Batch mixing：Weigh zirconia ceramics powder, the E-03 type rings of 10 weight portions that 85 weight portion particle diameter D50 are 10um
The calcined kaolin additive and 2 weights of oxygen resin adhesive, the talcum powder of 1 weight portion, the silica flour of 1 weight portion and 1 weight portion
The trimellitic acid anhydride curing agents of part are measured, is put into V-arrangement batch mixer and is mixed 3 hours, obtain batch mixing；
S2：Coating：Selection glass fabric is matrix material, and glass fibre is tiled, then batch mixing is uniformly coated
On the surface of glass fibre；
S3：Prebake conditions：The glass fibre that batch mixing will have been coated is put into baking oven, is toasted 30 minutes under the conditions of 140 DEG C, is obtained
To pre impregnated material；
S4：Hot pressed sintering：Pre impregnated material is taken out, is put into hot press, at 180 DEG C, pressure is hot pressing under 30MPa
5 hours；
S5：After the completion of hot pressing, room temperature is cooled to, obtains composite ceramics substrate.
Gained Zirconium oxide ceramic composite material surface smoothness is good, and hardness is 7.5, and fracture toughness is 7.0Mpam1/2, tension
Intensity is 65MPa, and bending strength is 130MPa, and up to 200 DEG C of non yellowings, thermal coefficient of expansion is 4.2 × 10 to resistance to temperature-5/℃.System
Produced without pernicious gas during standby.
Embodiment 3
Boron nitride ceramics mixed slurry, including following composition materials：
85 weight portion particle diameter D50 are the hexagonal boron nitride ceramic powder of 10um,
The E-03 type epoxy resin of 10 weight portions,
The calcined kaolin of the talcum powder of 1 weight portion, the silica flour of 1 weight portion and 1 weight portion,
The trimellitic anhydride of 2 weight portions.
The preparation technology of composite ceramics substrate is as follows：
S1：Batch mixing：Weigh boron nitride ceramics powder, the E-03 type rings of 10 weight portions that 85 weight portion particle diameter D50 are 10um
The calcined kaolin additive and 2 weights of oxygen resin adhesive, the talcum powder of 1 weight portion, the silica flour of 1 weight portion and 1 weight portion
The trimellitic acid anhydride curing agents of part are measured, is put into V-arrangement batch mixer and is mixed 3 hours, obtain batch mixing；
S2：Coating：Selection glass fabric is matrix material, and glass fibre is tiled, then batch mixing is uniformly coated
On the surface of glass fibre；
S3：Prebake conditions：The glass fibre that batch mixing will have been coated is put into baking oven, is toasted 30 minutes under the conditions of 140 DEG C, is obtained
To pre impregnated material；
S4：Hot pressed sintering：Pre impregnated material is taken out, is put into hot press, at 180 DEG C, pressure is hot pressing under 30MPa
5 hours；
S5：After the completion of hot pressing, room temperature is cooled to, obtains composite ceramics substrate.
Gained boron nitride ceramics composite material surface smoothness is good, and hardness is 2, and fracture toughness is 4.0Mpam1/2, tension is strong
It is 50MPa to spend, and bending strength is 100MPa, and up to 220 DEG C of non yellowings, thermal coefficient of expansion is 4.2 × 10 to resistance to temperature-5/℃.Prepare
During without pernicious gas produce.
Embodiment 4
Silicon carbide ceramics mixed slurry, including following composition materials：
85 weight portion particle diameter D50 are the Silicon Carbide Powder of 10um,
The E-03 type epoxy resin of 10 weight portions,
The calcined kaolin of the talcum powder of 1 weight portion, the silica flour of 1 weight portion and 1 weight portion,
The trimellitic anhydride of 2 weight portions.
The preparation technology of composite ceramics substrate is as follows：
S1：Batch mixing：Weigh Silicon Carbide Powder, the E-03 type rings of 10 weight portions that 85 weight portion particle diameter D50 are 10um
The calcined kaolin additive and 2 weights of oxygen resin adhesive, the talcum powder of 1 weight portion, the silica flour of 1 weight portion and 1 weight portion
The trimellitic acid anhydride curing agents of part are measured, is put into V-arrangement batch mixer and is mixed 3 hours, obtain batch mixing；
S2：Coating：Selection glass fabric is matrix material, and glass fibre is tiled, then batch mixing is uniformly coated
On the surface of glass fibre；
S3：Prebake conditions：The glass fibre that batch mixing will have been coated is put into baking oven, is toasted 30 minutes under the conditions of 140 DEG C, is obtained
To pre impregnated material；
S4：Hot pressed sintering：Pre impregnated material is taken out, is put into hot press, at 180 DEG C, pressure is hot pressing under 30MPa
5 hours；
S5：After the completion of hot pressing, room temperature is cooled to, obtains composite ceramics substrate.
Gained composite silicon carbide ceramic material surface smoothness is good, and hardness is 7.2, and fracture toughness is 8.0Mpam1/2, resistance to compression
Intensity is 200MPa, and bending strength is 10MPa, and up to 250 DEG C of non yellowings, thermal coefficient of expansion is 0.92 × 10 to resistance to temperature-5/℃。
Produced without pernicious gas in preparation process.
Compared with prior art, composite ceramics substrate of the invention not only has the special property of ceramics, and manufacture craft
Simply, sintering temperature is low in preparation process, during go out without pernicious gas benefit substantially, be a kind of novel green ceramic material.
Finally it should be noted that：Above-described each embodiment is merely to illustrate technical scheme, rather than to it
Limitation；Although being described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in previous embodiment, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope of case.
Claims (10)
1. a kind of composite ceramics substrate, including mixed slurry and matrix material, it is characterised in that：The mixed slurry includes following
Composition material：
The ceramic powder of 50-85 weight portions,
The bonding agent of 5-40 weight portions,
The additive of 3-5 weight portions,
The curing agent of 1-5 weight portions,
Wherein：
The particle diameter of the ceramic powder is 1-10um,
The ceramic powder is oxide ceramic powder body, nitride ceramics powder, boride ceramics powder and carbide ceramics powder
One or more in body.
2. composite ceramics substrate according to claim 1, it is characterised in that：The oxide ceramic powder body is Al2O3、
ZrO2, BeO, MgO and TiO2In one or more.
3. composite ceramics substrate according to claim 1, it is characterised in that：It is described nitridation ceramic powder be AlN, BN,
Si3N4With one or more in ZrN.
4. composite ceramics substrate according to claim 1, it is characterised in that：The boride ceramics powder is ZrB2With
TiB2In one or two.
5. composite ceramics substrate according to claim 1, it is characterised in that：The carbide ceramics powder is B4C、SiC、
One or more in ZrC, TiC and WC.
6. composite ceramics substrate according to claim 1, it is characterised in that：The bonding agent be thermosetting epoxy resin or
Heat curing-type modified epoxy.
7. composite ceramics substrate according to claim 1, it is characterised in that：The additive is diatomite, talcum powder, forging
Burn one or more in kaolin, silica flour and titanium dioxide.
8. composite ceramics substrate according to claim 1, it is characterised in that：The curing agent is m-phenylene diamine (MPD), diaminourea
One or more in diphenyl sulfone, trimellitic anhydride and mellophanic acid acid anhydride.
9. composite ceramics substrate according to claim 1, it is characterised in that：Described matrix material is carbon fiber, glass fibers
One or more mixing in dimension, polyester fiber and metallic fiber, the metallic fiber be aluminum fiber net, stainless steel fiber web,
It is combined for one or more in copper fiber net, titanium fleece and magnesium alloy fleece.
10. a kind of method for preparing the composite ceramics substrate described in claim any one of 1-9, it is characterised in that：Including following
Step：
S1：Batch mixing：Ceramic powder, bonding agent, additive and the curing agent of dosage are weighed, are put into blender and are mixed 1-5 hours,
Obtain batch mixing；
S2：Coating：Matrix material is tiled, then batch mixing is coated uniformly on the surface of stock；
S3：Prebake conditions：The matrix material that batch mixing will have been coated is put into baking oven, is toasted 30-60 minutes under the conditions of 80-140 DEG C,
Obtain pre impregnated material；
S4：Hot pressed sintering：Pre impregnated material is taken out, is put into hot press, at 150-220 DEG C, pressure is under 20-100MPa
Hot pressing 1-5 hours；
S5：After the completion of hot pressing, room temperature is cooled to, obtains composite ceramics substrate.
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| CN107597197A (en) * | 2017-10-17 | 2018-01-19 | 陕西瑞科新材料股份有限公司 | A kind of preparation method of high-porosity alumina Ceramic Balls |
| CN108083809A (en) * | 2017-12-12 | 2018-05-29 | 沈阳化工大学 | A kind of preparation method of metallurgy valve spool of valve and liner |
| CN112812503A (en) * | 2021-03-05 | 2021-05-18 | 洛阳嘉斯诺泵业制造有限公司 | Composite material containing epoxidized hydroxyl-terminated polybutadiene and preparation method thereof |
| CN117550881A (en) * | 2023-11-29 | 2024-02-13 | 新化县群华陶瓷科技有限公司 | Ceramic material for faucet valve plate and preparation method thereof |
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Application publication date: 20170524 |