CN102173792B - Ceramic composite material for thin-strip casting side sealing plate and preparation method thereof - Google Patents
Ceramic composite material for thin-strip casting side sealing plate and preparation method thereof Download PDFInfo
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- CN102173792B CN102173792B CN 201110043243 CN201110043243A CN102173792B CN 102173792 B CN102173792 B CN 102173792B CN 201110043243 CN201110043243 CN 201110043243 CN 201110043243 A CN201110043243 A CN 201110043243A CN 102173792 B CN102173792 B CN 102173792B
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Abstract
The invention provides a ceramic composite material for a thin-strip casting side sealing plate and a preparation method thereof, relating to a ceramic composite material and a preparation method thereof and solving the problems that the traditional side sealing plate has high heat conductivity, serious abrasion, poor seal, high preparation cost and large energy consumption, can not be secondarily processed or reused. The ceramic composite material consists of zirconia, boron nitride and additives. The preparation method comprises the following steps: 1, weighing raw materials; 2, ball milling and mixing the raw materials; 3, drying to obtain uniform mixed powder; and 4, carrying out hot pressed sintering, pressureless sintering, air pressure sintering or hot isostatic pressed sintering on the mixed powder, so as to obtain the ceramic composite material for a thin-strip casting side sealing plate. The compactness of the ceramic composite material is 94%-99%, the bending strength of the ceramic composite material, tested by a three-point bending test at room temperature, is 260-420MPa, and the fracture toughness of the ceramic composite material, tested by a unilateral coped beam method, is 3-8 MPa.m<1/2>. The ceramic composite material can be widely applied to the field of side sealing plate materials.
Description
Technical field
The present invention relates to a kind of ceramic composite and preparation method thereof.
Background technology
Along with being showing improvement or progress day by day of Manufacture Of Iron And Steel By Melting technology, strip continuous casting technology has begun the development from the laboratory, progresses into the stage of large-scale industrial application, further increases as the demand of strip continuous casting technology key part-side seal board.The particularly progress of special steel smelting technology has widely demand to diversity and the high-performance of side seal board.The development of advanced side seal board material and exploitation have far-reaching influence and special value to iron and steel metallurgical industry.
The side seal board material is divided into two classes substantially at present: a class is traditional material, adopts clay brick, high alumina brick, quartz and fused quartz, stupalith (BN, Sialon, ZrO more
2, Al
2O
3Deng) and matrix material (such as Al
2O
3-C etc.).But the material preparation cost is high, and work-ing life is low, and energy consumption is large, and environmental pollution is serious, and performance can not satisfy the demand of modern steel industry, can't satisfy the melting requirement of producing high-quality steel; Another kind of is the modern material of researching and developing in the recent period, mostly is ceramic composite bodies system, as: ZrO
2/ BN, SiC/BN, Si
3N
4/ BN, Sialon/BN, AlN-BN, AlON/BN, Al
2O
3/ BN, CaO/ZrO
2/ BN etc.Its most of material system also is in the laboratory development, and technology is prematurity also, and the domestic ability of there is no is produced on a large scale.The heat insulating ability that the main problem that exists concentrates on side seal board is poor, thermal conductivity is higher, make the bandwidth direction temperature distributing disproportionation even, thereby cause strip even at the bandwidth direction streaking, when serious even near the side seal board molten metal is solidified first and block roller, not only damage side seal board, reduce the work-ing life of side seal board, also will cause the defective of Thin Strip Steel.Continuous cast roller and side seal board undue wear form easily the wearing and tearing raceway groove and cause side seal not tight, cause molten metal to flow into gap between side seal board and roller end surface, make the strip edge produce overlap, burr or are torn, and cause the strip edge crumbling.
Summary of the invention
The objective of the invention is poor for the thermal conductivity height, serious wear, the sealing that solve traditional side seal board, can not secondary processing and recycling, preparation cost is high, the large problem of energy consumption and a kind of ceramic composite for thin-strip casting side sealing plate and preparation method thereof is provided.
A kind of ceramic composite for thin-strip casting side sealing plate of the present invention by volume mark is comprised of 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Wherein additive is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
The preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of the present invention can realize according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 taken by weighing mixes 8～36h, and ball material mass ratio is 1.5～10: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder is put into graphite jig and carried out hot pressed sintering, pressureless sintering, gas pressure sintering or HIP sintering, during to 1000～2000 ℃ of sintering temperature points, insulation 0.5～10h, then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
The density of the ceramic composite that is used for thin-strip casting side sealing plate of the present invention's preparation is 94%-99%, and the bending strength of three-point bending method test is 260～420MPa under the room temperature, and the fracture toughness property of testing with the single notched beam method is 3～8MPam
1/2The ceramic composite that is used for thin-strip casting side sealing plate of the present invention's preparation is between 0.2～0.7 at the mutual frictional coefficient of room temperature condition and metallic nickel, spends greater than 140 with the wetting angle of molten steel.This shows, the ceramic composite that is used for thin-strip casting side sealing plate of the present invention's preparation has good mechanical property and processability, substantially nonwetting and have a lower frictional coefficient with molten steel, effectively raising anti-molten steel erosion performance and the wear Characteristics of ceramic composite, is the available candidate material that is applicable to prepare the side seal board material present stage.
Preparation cost and secondary recycling cost is low in the inventive method, and energy relative consumption is little, can be good at being applied to prepare the key part-side seal board in the steel industry thin strap continuous casting production line.
Description of drawings
Fig. 1 is the interface topography figure of ceramic composite behind No. 45 molten steel 20min that is used for thin-strip casting side sealing plate of embodiment 42 preparations; Fig. 2 is the SEM photo of the ceramic composite polishing scratch under 2.4N load that is used for thin-strip casting side sealing plate of embodiment 42 preparations; Fig. 3 is the frictional coefficient of ceramic composite under 2.4N load that is used for thin-strip casting side sealing plate of embodiment 42 preparations; Fig. 4 is the frictional coefficient of ceramic composite under 10m/min slip speed that is used for thin-strip casting side sealing plate of embodiment 42 preparations.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Wherein additive is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When additive was composition, various additives were pressed arbitrarily than combination in the present embodiment.
Embodiment two: present embodiment and embodiment one are different is that oxide compound is a kind of in silicon oxide, aluminum oxide, boron oxide, titanium oxide, yttrium oxide, ytterbium oxide, cerium oxide, the lanthanum trioxide or wherein several combination; Carbide is a kind of in silicon carbide, norbide, titanium carbide, the zirconium carbide or wherein several combination; Nitride is a kind of in silicon nitride, aluminium nitride, titanium nitride, the zirconium nitride or wherein several combination; Boride is a kind of in titanium boride, zirconium boride 99.5004323A8ure, hafnium boride, the lanthanum boride or wherein several combination; Metal simple-substance is a kind of in metallic aluminium, metal titanium, the metal zirconium or wherein several combination; Inorganics simple substance is a kind of in pure boron, elemental silicon, simple substance carbon, the elemental sulfur or wherein several combination.Other are identical with embodiment one.
When oxide compound was composition, various oxide compounds made up in any proportion in the present embodiment; When carbide was composition, various carbide made up in any proportion; When nitride was composition, various nitride made up in any proportion; When boride was composition, various borides made up in any proportion; When metal simple-substance was composition, various metal simple-substances made up in any proportion; When inorganics simple substance was composition, various inorganics simple substance made up in any proportion.
Embodiment three: present embodiment and embodiment two are different is that simple substance carbon in the inorganics simple substance can also be organic split product, and wherein organism is a kind of in resol, urea-formaldehyde resin, Resins, epoxy or the pitch or wherein several combination.Other are identical with embodiment two.
When organism was composition, various compositions made up in any proportion in the present embodiment.
Embodiment four: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 taken by weighing mixes 8～36h, and ball material mass ratio is 1.5～10: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder is put into graphite jig and carried out hot pressed sintering, pressureless sintering, gas pressure sintering or HIP sintering, during to 1000～2000 ℃ of sintering temperature points, insulation 0.5～10h, then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When additive was composition, various additives were pressed arbitrarily than combination in the present embodiment.
Embodiment five: present embodiment and embodiment four are different is that described oxide compound is a kind of in silicon oxide, aluminum oxide, boron oxide, titanium oxide, yttrium oxide, ytterbium oxide, cerium oxide, the lanthanum trioxide or wherein several combination; Carbide is a kind of in silicon carbide, norbide, titanium carbide, the zirconium carbide or wherein several combination; Nitride is a kind of in silicon nitride, aluminium nitride, titanium nitride, the zirconium nitride or wherein several combination; Boride is a kind of in titanium boride, zirconium boride 99.5004323A8ure, hafnium boride, the lanthanum boride or wherein several combination; Metal simple-substance is a kind of in metallic aluminium, metal titanium, the metal zirconium or wherein several combination; Inorganics simple substance is a kind of in pure boron, elemental silicon, simple substance carbon, the elemental sulfur or wherein several combination.
When oxide compound was composition, various oxide compounds made up in any proportion in the present embodiment; When carbide was composition, various carbide made up in any proportion; When nitride was composition, various nitride made up in any proportion; When boride was composition, various borides made up in any proportion; When metal simple-substance was composition, various metal simple-substances made up in any proportion; When inorganics simple substance was composition, various inorganics simple substance made up in any proportion.
Embodiment six: present embodiment and embodiment five are different is that simple substance carbon in the inorganics simple substance can also be organic split product, and wherein organism is a kind of in resol, urea-formaldehyde resin, Resins, epoxy or the pitch or wherein several combination.
When organism was composition, various compositions made up in any proportion in the present embodiment.
Embodiment seven: what present embodiment was different from one of embodiment four to six is that hot pressed sintering is undertaken by following operation in the step 4: under argon gas atmosphere, nitrogen atmosphere or vacuum condition, temperature is that 1500～1700 ℃, pressure are that 20～50MPa carries out sintering.Other steps are identical with one of embodiment four to six with parameter.
Embodiment eight: what present embodiment was different from one of embodiment four to six is that pressureless sintering is undertaken by following operation in the step 4: be to carry out sintering under 1400～2000 ℃ of conditions in temperature.Other steps are identical with one of embodiment four to six with parameter.
Embodiment nine: what present embodiment was different from one of embodiment four to six is that gas pressure sintering is undertaken by following operation in the step 4: be 0.5～10.0MPa at atmospheric pressure, temperature is to carry out sintering under 1400～2000 ℃ of conditions.Other steps are identical with one of embodiment four to six with parameter.
Embodiment ten: what present embodiment was different from one of embodiment four to six is that HIP sintering is undertaken by following operation in the step 4: be 1500～1900 ℃ in temperature, pressure is to carry out sintering under 50～300MPa condition.Other steps are identical with one of embodiment four to six with parameter.
Embodiment 11: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 45% zirconium white, 45% boron nitride and 10% additive; Wherein additive is silicon oxide.
Embodiment 12: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 40% zirconium white, 45% boron nitride and 15% additive; Wherein additive is the combination of aluminum oxide and yttrium oxide, and the volume ratio of aluminum oxide and yttrium oxide is 2: 5.
Embodiment 13: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Wherein additive is a kind of in silicon carbide, norbide, titanium carbide, the zirconium carbide or wherein several combination.
When additive was composition, various additives were pressed arbitrarily than combination in the present embodiment.
Embodiment 14: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 40% zirconium white, 50% boron nitride and 10% additive; Wherein additive is silicon carbide.
Embodiment 15: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 40% zirconium white, 45% boron nitride and 15% additive; Wherein additive is the combination of silicon carbide and norbide, and the volume ratio of silicon carbide and norbide is 4: 1.
Embodiment 16: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Wherein additive is a kind of in silicon nitride, aluminium nitride, titanium nitride, the zirconium nitride or wherein several combination.
When additive was composition, various additives were pressed arbitrarily than combination in the present embodiment.
Embodiment 17: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 40% zirconium white, 55% boron nitride and 10% additive; Wherein additive is silicon nitride.
Embodiment 18: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 40% zirconium white, 45% boron nitride and 15% additive; Wherein additive is the combination of silicon nitride and aluminium nitride, and the volume ratio of silicon nitride and aluminium nitride is 1: 1.
Embodiment 19: present embodiment a kind of for
The ceramic composite of thin-strip casting side sealing plate by volume mark is comprised of 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Wherein additive is a kind of in titanium boride, zirconium boride 99.5004323A8ure, hafnium boride, the lanthanum boride or wherein several combination.
When additive was composition, various additives were pressed arbitrarily than combination in the present embodiment.
Embodiment 20: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 45% zirconium white, 55% boron nitride and 5% additive; Wherein additive is zirconium boride 99.5004323A8ure.
Embodiment 21: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 40% zirconium white, 45% boron nitride and 15% additive; Wherein additive is the combination of zirconium boride 99.5004323A8ure and lanthanum boride, and the volume ratio of zirconium boride 99.5004323A8ure and lanthanum boride is 1: 2.
Embodiment 22: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Wherein additive is a kind of in metallic aluminium, metal titanium, the metal zirconium or wherein several combination.
When additive was composition, various additives were pressed arbitrarily than combination in the present embodiment.
Embodiment 23: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 45% zirconium white, 55% boron nitride and 5% additive; Wherein additive is metal zirconium.
Embodiment 24: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Wherein additive is pure boron, elemental silicon, simple substance carbon, elemental sulfur or organic split product, and wherein organism is one or more the combination in resol, urea-formaldehyde resin, Resins, epoxy or the pitch.
When additive was composition, various additives were pressed arbitrarily than combination in the present embodiment.
Embodiment 25: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 45% zirconium white, 55% boron nitride and 5% additive; Wherein additive is simple substance carbon.
Embodiment 26: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 45% zirconium white, 55% boron nitride and 5% additive; Wherein additive is pitch.
Embodiment 27: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Wherein additive is two or more the combination in oxide compound, carbide, nitride, boride, metal simple-substance and the inorganics simple substance.
When additive was composition, various additives were pressed arbitrarily than combination in the present embodiment.
Embodiment 28: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 45% zirconium white, 45% boron nitride and 10% additive; Wherein additive is the combination of boron oxide and silicon carbide, and the volume ratio of boron oxide and silicon carbide is 2: 1.
Embodiment 29: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 45% zirconium white, 45% boron nitride and 10% additive; Wherein additive is the combination of boron oxide and aluminium nitride, and the volume ratio of boron oxide and aluminium nitride is 2: 1.
Embodiment 30: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 45% zirconium white, 45% boron nitride and 10% additive; Wherein additive is the combination of boron oxide and simple substance carbon, and the volume ratio of boron oxide and simple substance carbon is 2: 5.
Embodiment 31: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 45% zirconium white, 45% boron nitride and 10% additive; Wherein additive is the combination of boron oxide and norbide, and the volume ratio of boron oxide and norbide is 1: 1.
Embodiment 32: a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment by volume mark is comprised of 40% zirconium white, 45% boron nitride and 10% additive; Wherein additive is the combination of boron oxide, silicon carbide and aluminium nitride, and the volume ratio of boron oxide, silicon carbide and aluminium nitride is 4: 2: 1.
Embodiment 33: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 taken by weighing mixes 8～36h, and ball material mass ratio is 1.5～10: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder is put into graphite jig and carried out hot pressed sintering, pressureless sintering, gas pressure sintering or HIP sintering, during to 1000～2000 ℃ of sintering temperature points, insulation 0.5～10h, then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When additive described in the present embodiment is composition, between each composition be arbitrarily than.
Embodiment 34: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 taken by weighing mixes 8～36h, and ball material mass ratio is 1.5～10: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder is put into graphite jig and under argon gas atmosphere, nitrogen atmosphere or vacuum condition, carried out hot pressed sintering, temperature is 1500～1700 ℃, and pressure is 20～50MPa, insulation 0.5～10h, then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When the additive described in the present embodiment is composition, between each composition be arbitrarily than.
Embodiment 35: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 is taken by weighing mixes 15～28h, adopt polyethylene mixing machine, steel reinforced concrete barrel or ceramic mixing machine ball milling to mix, abrading-ball is steel ball, sintered carbide ball or zirconia ball, ratio of grinding media to material is 2.5～8: 1, take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, be positioned over after ball milling mixes and carry out drying in the Rotary Evaporators and obtain uniform mixed powder; Four, mixed powder is put into graphite jig, placing temperature is hot pressed sintering under 1600 ℃, the condition of vacuum, and sintering pressure is 20～50MPa, and insulation 1h namely gets the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When the additive described in the present embodiment is composition, between each composition be arbitrarily than.
Embodiment 36: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 taken by weighing mixes 8～36h, and ball material mass ratio is 1.5～10: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder being put into graphite jig is to carry out pressureless sintering under 1400～2000 ℃ the condition in temperature, insulation 0.5～10h, and then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When the additive described in the present embodiment is composition, between each composition be arbitrarily than.
Embodiment 37: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 taken by weighing mixes 10～30h, and ball material mass ratio is 2～8: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder being put into graphite jig is to carry out pressureless sintering under 1600 ℃ the condition in temperature, insulation 0.5～10h, and then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When the additive described in the present embodiment is composition, between each composition be arbitrarily than.
Embodiment 38: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 taken by weighing mixes 8～36h, and ball material mass ratio is 1.5～10: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder being put into graphite jig is 0.5～10.0MPa at atmospheric pressure, and temperature is to carry out gas pressure sintering under 1400～2000 ℃ of conditions, insulation 0.5～10h, and then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When the additive described in the present embodiment is composition, between each composition be arbitrarily than.
Embodiment 39: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling mixing 20h that step 1 is taken by weighing, ball material mass ratio is 8: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 150 ℃ of lower dry 20h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder being put into graphite jig is 5MPa at atmospheric pressure, and temperature is to carry out gas pressure sintering under 1600 ℃ of conditions, insulation 1h, and then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When the additive described in the present embodiment is composition, between each composition be arbitrarily than.
Embodiment 40: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 taken by weighing mixes 8～36h, and ball material mass ratio is 1.5～10: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder being put into graphite jig is that 1500～1900 ℃, pressure are to carry out HIP sintering under 50～300MPa condition in temperature, insulation 0.5～10h, and then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When the additive described in the present embodiment is composition, between each composition be arbitrarily than.
Embodiment 41: the preparation method of a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling mixing 20h that step 1 is taken by weighing, ball material mass ratio is 9: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 120 ℃ of lower dry 24h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder being put into graphite jig is that 1800 ℃, pressure are to carry out HIP sintering under the 100MPa condition in temperature, insulation 8h, and then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination.
When the additive described in the present embodiment is composition, between each composition be arbitrarily than.
Embodiment 42: the method for a kind of ceramic composite for thin-strip casting side sealing plate of present embodiment is characterized in that it realizes according to the following steps: one, take by weighing raw material: by volume mark takes by weighing 40% zirconium white, 50% boron nitride and 10% additive; Two, the raw material ball milling mixing 24h that step 1 is taken by weighing, ball material mass ratio is 5: 1, during ball milling take the ethanol of volume fraction as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder is put into graphite jig, under vacuum condition, temperature is that 1800 ℃, pressure are that 30MPa carries out hot pressed sintering, namely obtains a kind of ceramic composite for thin-strip casting side sealing plate; Wherein the additive in the step 1 is norbide, carbon and silicon-dioxide, and norbide, carbon are 2: 1: 1 with silicon-dioxide volume ratio.
Claims (6)
1. ceramic composite that is used for thin-strip casting side sealing plate, it is characterized in that described ceramic composite for thin-strip casting side sealing plate by volume mark formed by 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Wherein additive is a kind of in oxide compound, carbide, nitride, boride, metal simple-substance, the inorganics simple substance or wherein several combination; Oxide compound is silicon oxide, aluminum oxide, boron oxide, titanium oxide, yttrium oxide, ytterbium oxide, cerium oxide, lanthanum trioxide; Carbide is silicon carbide, norbide, titanium carbide, zirconium carbide; Nitride is silicon nitride, aluminium nitride, titanium nitride, zirconium nitride; Boride is titanium boride, zirconium boride 99.5004323A8ure, hafnium boride, lanthanum boride; Metal simple-substance is aluminium, titanium, zirconium; Inorganics simple substance is pure boron, elemental silicon, simple substance carbon, elemental sulfur; The preparation method who adopts is: one, take by weighing raw material: by volume mark takes by weighing 20%～70% zirconium white, 20%～70% boron nitride and 2%～30% additive; Two, the raw material ball milling that step 1 taken by weighing mixes 8～36h, and ball material mass ratio is 1.5～10: 1, during ball milling take distilled water, ethanol, acetone or the volume fraction ethanol as 98% as dispersion medium; Three, at 100～150 ℃ of lower dry 12～48h, obtain uniform mixed powder after ball milling mixes; Four, mixed powder is put into graphite jig and carried out hot pressed sintering, pressureless sintering, gas pressure sintering or HIP sintering, during to 1000～2000 ℃ of sintering temperature points, insulation 0.5～10h, then furnace cooling namely obtains the ceramic composite for thin-strip casting side sealing plate; The density of the ceramic composite that is used for thin-strip casting side sealing plate of preparation is 94%-99%, and the bending strength of three-point bending method test is 260～420MPa under the room temperature, and the fracture toughness property of testing with the single notched beam method is 3～8MPam1/2; At ambient temperature and the mutual frictional coefficient of metallic nickel be between 0.2～0.7, with the wetting angle of molten steel greater than 140 degree.
2. a kind of ceramic composite for thin-strip casting side sealing plate according to claim 1 is characterized in that the simple substance carbon in the inorganics simple substance is organic split product, and wherein organism is resol, urea-formaldehyde resin, Resins, epoxy or pitch.
3. a kind of ceramic composite for thin-strip casting side sealing plate according to claim 1, it is characterized in that hot pressed sintering is undertaken by following operation in the step 4: under argon gas atmosphere, nitrogen atmosphere or vacuum condition, temperature is that 1500～1700 ℃, pressure are that 20～50MPa carries out sintering.
4. a kind of ceramic composite for thin-strip casting side sealing plate according to claim 1 is characterized in that pressureless sintering is undertaken by following operation in the step 4: be to carry out sintering under 1400～2000 ℃ of conditions in temperature.
5. a kind of ceramic composite for thin-strip casting side sealing plate according to claim 1 is characterized in that gas pressure sintering is undertaken by following operation in the step 4: be 0.5～10.0MPa at atmospheric pressure, temperature is to carry out sintering under 1400～2000 ℃ of conditions.
6. a kind of ceramic composite for thin-strip casting side sealing plate according to claim 1 is characterized in that HIP sintering is undertaken by following operation in the step 4: be 1500～1900 ℃ in temperature, pressure is to carry out sintering under 50～300MPa condition.
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| KR102156574B1 (en) * | 2020-01-23 | 2020-09-17 | 주식회사 화인테크 | Machinable ceramic composite material and manufacturing method thereof |
| CN113683411B (en) * | 2021-08-12 | 2022-12-09 | 山东鹏程陶瓷新材料科技有限公司 | Ceramic side sealing plate for twin-roll thin-strip continuous casting and preparation method thereof |
| CN114770981A (en) * | 2022-05-06 | 2022-07-22 | 荆门劲驰汽车配件股份有限公司 | Preparation method of scratch-resistant wear-resistant carbon fiber |
| CN115947610B (en) * | 2023-02-06 | 2023-09-01 | 中钢集团洛阳耐火材料研究院有限公司 | Multilayer composite side sealing plate for double-roller thin strip continuous casting and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885264A (en) * | 1988-07-21 | 1989-12-05 | Elektroschmelzwerk Kempten Gmbh | Pressure-sintered polycpystalline mixed materials with a base of hexagonal boron nitride, oxides and carbides |
-
2011
- 2011-02-23 CN CN 201110043243 patent/CN102173792B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885264A (en) * | 1988-07-21 | 1989-12-05 | Elektroschmelzwerk Kempten Gmbh | Pressure-sintered polycpystalline mixed materials with a base of hexagonal boron nitride, oxides and carbides |
Non-Patent Citations (4)
| Title |
|---|
| 刘鹏举等.薄带连铸侧封技术的研究现状及发展趋势.《耐火材料》.2008,第42卷(第4期),第294-298页. |
| 李永全等.氮化硼氧化锆复合材料的热压烧结.《上海金属》.2005,第27卷(第3期),第6-8页. |
| 氮化硼氧化锆复合材料的热压烧结;李永全等;《上海金属》;20050531;第27卷(第3期);第6-8页 * |
| 薄带连铸侧封技术的研究现状及发展趋势;刘鹏举等;《耐火材料》;20080430;第42卷(第4期);第294-298页 * |
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