CN108863357A - A kind of polychrome zirconia ceramics piece and its preparation method and application - Google Patents
A kind of polychrome zirconia ceramics piece and its preparation method and application Download PDFInfo
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- CN108863357A CN108863357A CN201810623598.8A CN201810623598A CN108863357A CN 108863357 A CN108863357 A CN 108863357A CN 201810623598 A CN201810623598 A CN 201810623598A CN 108863357 A CN108863357 A CN 108863357A
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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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Abstract
The invention belongs to technical field of functional ceramics, disclose a kind of polychrome zirconia ceramics piece and its preparation method and application, the zirconia ceramics piece is using yttrium stable zirconium oxide powder as primary raw material, by addition reinforcing agent, toner, pH regulator, bonding agent, plasticizer, dispersing agent and dehydrated alcohol-butanone azeotropic mixture, monochromatic casting slurry is obtained by ball milling；Monochromatic casting slurry is prepared by polychrome zirconia ceramics biscuit band using multichannel the tape casting, is formed after being cut into biscuit piece through static pressure such as excess temperatures, three-dimensional polychrom green body is obtained, then is made after dumping, sintering.The zirconia ceramics piece is passed through into sharp processing, corase grinding and polishing, can be applicable in mobile phone dorsal shield preparation field.
Description
Technical field
The invention belongs to technical field of functional ceramics, more particularly, to a kind of polychrome zirconia ceramics piece and its preparation
Methods and applications.
Background technique
In recent years, since zirconium oxide has the advantages that breaking strength is high, and fracture toughness is high, and hardness is high, it is considered to be mobile phone
One of ideal material of rear cover.And it gradually applies on mobile phone or wearable product.However, current zirconium oxide is made pottery
The color of porcelain cell phone rear cover is that a kind of zirconia ceramics system is mentioned in single color, such as patent CN104003714B substantially
The method of standby multiple color mobile phone part, this method can prepare the mobile phone part of multiple color, this patent is so-called a variety of
Color, it is mobile phone part that multiple color can be prepared by, which referring to, but each mobile phone part only has single color (such as black
Color, titanium silver color, white, pink colour etc.).If can make on single zirconia ceramics mobile phone components while have multiple color,
It will make product that there are more selectivity, meet wider demand.
Summary of the invention
In order to solve above-mentioned the shortcomings of the prior art and disadvantage, primary and foremost purpose of the present invention is to provide a kind of polychrome oxygen
Change zircon ceramic piece.
Another object of the present invention is to provide the preparation methods of above-mentioned polychrome zirconia ceramics piece.
A further object of the present invention is to provide the applications of above-mentioned polychrome zirconia ceramics piece.
The purpose of the present invention is realized by following technical proposals：
A kind of polychrome zirconia ceramics piece, the zirconia ceramics piece be using yttrium stable zirconium oxide powder as primary raw material,
By addition reinforcing agent, toner, pH regulator, bonding agent, plasticizer, dispersing agent and dehydrated alcohol-butanone azeotropic mixture, pass through
Ball milling obtains monochromatic casting slurry；Monochromatic casting slurry is prepared by polychrome zirconia ceramics biscuit using multichannel the tape casting
Band is formed after being cut into biscuit piece through static pressure such as excess temperatures, obtains three-dimensional polychrom green body, then through dumping, sintering
After be made.
Preferably, the partial size of the yttrium stable zirconium oxide powder is 30~300nm, and purity is 99%~100%；The pH
Regulator is zirconium oxychloride；The reinforcing agent is more than one of anhydrous aluminum chloride, Aluminum Chloride Hexahydrate or yttrium nitrate hexahydrate；It is described
Bonding agent be polyvinyl butyral；The plasticizer is two tricaprylate of triethylene glycol or/and dipropylene glycol dibenzoate；
The dispersing agent is one kind or any of polyethylene glycol, didodecyldimethylammbromide bromide or cetyl trimethylammonium bromide
Two kinds of mixing.
Preferably, the toner is rare earth metal salt or transition metal salt, the rare earth metal salt or transition metal salt
Dissolve in ethyl alcohol or butanone.
It is further preferable that the rare earth metal salt is rare-earth metal nitrate, rare earth metal sulfate, rare earth metal chlorination
Salt, rare earth metal oxygen fluoride salt, one or more of rare earth metal citrate or rare earth metal acetate；The transition metal
Salt is transition metal nitrate, transition metal sulfate, transition metal chlorate, oxo transition metal fluoride salt, transition metal lemon
One or more of lemon hydrochlorate or transition metal acetate.
Further, the rare earth metal is cerium, praseodymium, neodymium, samarium, europium, terbium, holmium, erbium, thulium, lutetium, dysprosium, lanthanum, ytterbium or gadolinium, institute
Stating transition metal is vanadium, chromium, manganese, iron, cobalt, nickel or copper.
Preferably, the mass ratio of the yttrium stable zirconium oxide powder and reinforcing agent is (8~100)：1；The yttrium stablizes oxidation
The mass ratio of zirconium powder and dispersing agent is (40~60)：1；The mass ratio of the yttrium stable zirconium oxide powder and bonding agent is (7~20)：
1；The mass ratio of the yttrium stable zirconium oxide powder and plasticizer is (7~20)：1；The toner and yttrium stable zirconium oxide powder
Mass ratio is 1：(5~50).
Preferably, the temperature of the static pressure such as described temperature is 75~90 DEG C, and pressure is 100~150MPa；The highest of the dumping
Temperature is 600~1000 DEG C, and the heating rate of dumping is 0.3~3 DEG C/min, keeps the temperature 0.5~1h in the maximum temperature of dumping；Institute
The temperature for stating sintering is 1300~1500 DEG C, and the heating rate of sintering is 5~15 DEG C/min, the soaking time of sintering be 2~
4h。
The preparation method of the polychrome zirconia ceramics piece, comprises the following specific steps that：
S1. the preparation of polychrome casting slurry：1. weighing yttrium stable zirconium oxide powder, reinforcing agent, toner, slurry pH regulator
And dispersing agent, dehydrated alcohol-butanone azeotropic mixture is added, first time ball milling is carried out, slurry A is made；2. by bonding agent and plasticizer
It is added in slurry A, carries out second of ball milling, slurry B is made；3. slurry B deaeration under conditions of vacuum degree is 0.1Pa is obtained
To monochromatic slurry C；
S2. the preparation of polychrome zirconia ceramics biscuit band：Using multichannel the tape casting by the monochromatic slurry C of different colours into
Row forming of green body, concrete mode are as follows：The monochromatic slurry C of different colours is injected by casting slurry injection pipe and is separated
Casting slurry hopper in, while the removable material of programmable servo motor pushing is controlled by programmable servo motor group controller
Slot partition is moved left and right, and adjusts the rate of membrane motor, makes the reel being connected with membrane motor that polyester film be driven to move
It is dynamic, at this point, the adjacent two kinds of different monochromatic slurries of any removable hopper partition will casting slurry hopper and curtain coating scraper 1 it
Between gap contact with each other, pass through curtain coating scraper 1 and curtain coating scraper 2 after, after drying, obtain biscuit band；
S3. biscuit band obtained by step S2 is cut and is punched, obtain biscuit piece；
S4. biscuit piece is placed in a mold, with warm isostatic pressing, is obtained with three-dimensional polychrom green body；
S5., polychrom green body is carried out to buried powder dumping in debinding furnace, after sintering, obtains polychrome zirconia ceramics
Piece.
Preferably, the gross mass of reinforcing agent described in step S1 and yttrium stable zirconium oxide powder and dehydrated alcohol-butanone azeotropic
The mass ratio of object is 1：(1.2~1.5), the time of the first time ball milling are 15~20h, the total time of second of ball milling
For 15~for 24 hours；Biscuit band with a thickness of 0.6~1.5mm described in step S2.
The polychrome zirconia ceramics piece is preparing the application in mobile phone dorsal shield field.
The present invention is using nanometer yttrium stable zirconium oxide powder as primary raw material, by adding a certain amount of reinforcing agent and according to face
Toner needed for color is easy to generate at slurry interface using improved casting machine hopper and for polychrome slurry curtain coating
Crackle and the formula invented, prepare polychrome zirconia ceramics cell phone rear cover green compact using the tape casting, directly cut into required shape
The blank of shape cuts and carries out three-dimensional modeling through static pressure such as excess temperatures after blank, prepares polychrome oxidation using dumping, sintering
Zircon ceramic part finally passes through sharp processing, corase grinding and polishing, obtains polychrome zirconia ceramics mobile phone dorsal shield.
Compared with prior art, the invention has the advantages that：
1. the present invention is by the slurry of outfit different colours, by the way of multichannel curtain coating, through moulding, degreasing and sintering
Afterwards, same plate polychrome zirconia ceramics piece is prepared, this polychrome zirconia ceramics piece can be applicable to the preparation of mobile phone dorsal shield.On the one hand
It is that low cost large-scale production can be achieved, on the other hand makes single zirconium oxide mobile phone dorsal shield while there is multiple color, meet
Personalized and artistic effect demand.
2. method of the invention makes polychrome slurry curtain coating be not easy to crack at slurry interface, make obtained biscuit
Band pore-free, flawless.
Detailed description of the invention
Fig. 1 is multichannel casting device schematic diagram.
Fig. 2 is binary channels hopper schematic diagram.
Fig. 3 is the photo of the greyish white double-colored biscuit in embodiment 1 using binary channels curtain coating preparation.
Specific embodiment
The contents of the present invention are further illustrated combined with specific embodiments below, but should not be construed as limiting the invention.
Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.Except non-specifically
Illustrate, reagent that the present invention uses, method and apparatus is the art conventional reagents, method and apparatus.
Fig. 1 is the schematic diagram of multichannel casting device.Wherein, S1 is casting slurry injection pipe；S2 be removable hopper every
Plate；S3 is removable hopper partition connecting rod；S4 is programmable servo motor group；S5 is programmable servo motor group controller；
S6 is curtain coating head outline border；S7 is curtain coating scraper 1；S8 is curtain coating scraper 2；S9 is casting slurry hopper；S10 is casting slurry material
Gap between slot S9 and curtain coating scraper 1；S11 is membrane motor；S12 is reel；S13 is polyester film.
The monochromatic slurry of different colours is carried out by forming of green body, concrete mode using above-mentioned apparatus using multichannel the tape casting
It is as follows：The monochromatic slurry of different colours is injected into the casting slurry hopper S9 being separated by casting slurry injection pipe S1
It is interior, while programmable servo motor group S4 is controlled by programmable servo motor group controller S5, control removable hopper partition
Connecting rod S3 pushes removable hopper partition S2 to be moved left and right, and adjusts the rate of membrane motor S11, makes and membrane motor
The reel S12 of phase S11 connection drives polyester film S13 mobile, at this point, two kinds of different monochromes that any removable hopper partition is adjacent
Slurry will casting slurry hopper S9 and curtain coating scraper 1-S7 between gap S10 at contact with each other, pass through curtain coating scraper
After 1-S7 and curtain coating scraper 2-S8, after drying, biscuit band is obtained.
Embodiment 1
1. the preparation of grey casting slurry：1. weighing yttrium stable zirconium oxide powder (d50=300nm), six water chlorination of reinforcing agent
Aluminium, six water neodymium nitrate of toner and dispersing agent polyethylene glycol；Wherein, reinforcing agent：The weight ratio of yttrium stable zirconium oxide powder is 1：
10.6；The weight ratio that toner and yttrium stablize oxidation powder is 1：7, the weight ratio of dispersing agent and yttrium stable zirconium oxide powder is 1：50；
1.2 times of dehydrated alcohol-butanone azeotropic mixture that weight is reinforcing agent and yttrium stable zirconium oxide powder total weight is added, with zirconia ball
For ball-milling medium, slurry A1 is made in mixing and ball milling 20h；2. bonding agent polyvinyl butyral and plasticising are added into slurry A1
Agent dipropylene glycol dibenzoate；The mass ratio of plasticizer and yttrium stable zirconium oxide powder is 1：12；Bonding agent and yttrium, which are stablized, to be aoxidized
The quality of zirconium powder is 1：12；For 24 hours, slurry B1 is made in mixing and ball milling again；3. by slurry B1 under conditions of vacuum degree is 0.1Pa
Deaeration, obtains grey casting slurry C1, and viscosity is about 10000mPas；
2. the preparation of white casting slurry：1. weighing yttrium stable zirconium oxide powder (d50=300nm), reinforcing agent Aluminum Chloride Hexahydrate
With dispersing agent polyethylene glycol；Wherein, the weight ratio of reinforcing agent and yttrium stable zirconium oxide powder is 1：10.6；Dispersing agent and yttrium Stable Oxygen
The mass ratio for changing zirconium powder is 1：50；Add dehydrated alcohol-fourth that weight is 1.2 times of reinforcing agent and yttrium stable zirconium oxide powder total weight
Ketone azeotropic mixture, using zirconia ball as ball-milling medium, slurry A2 is made in mixing and ball milling 20h；2. it is poly- that bonding agent is added into slurry A2
Vinyl butyral and plasticizer dipropylene glycol dibenzoate；The mass ratio of plasticizer and yttrium stable zirconium oxide powder is 1：8；It is viscous
The mass ratio for connecing agent and yttrium stable zirconium oxide powder is 1：8, mixing and ball milling 16h, is made slurry B2 again；According to grey slurry C 2
PH value adds zirconium oxychloride, the pH value of white slurry is adjusted to close with grey slurry pH value, is further continued for ball milling 8h, is made
Slurry D1.3. slurry D1 deaeration under conditions of vacuum degree is 0.1Pa is obtained white casting slurry C2, viscosity is about
10000mPa·s；
3. the preparation of greyish white double-colored biscuit band：Grey slurry C 1 and white slurry C2 are subjected to element using binary channels the tape casting
Base molding, binary channels hopper are as shown in Figure 2.There is a removable hopper partition S2 among casting slurry hopper S9, curtain coating is scraped
Height of the knife 1-S7 edge of a knife apart from polymer PET S13 is 2mm, is cast height of the scraper 2-S8 edge of a knife apart from polyester film S13 and is
Grey slurry C 1, is poured into the side of removable hopper partition S2 by 1.9mm, and white slurry C2 is poured into the another of hopper partition S2
Side.Removable hopper partition S2 adjacent grey slurry C 1 and white slurry C2 will be in casting slurry hopper S9 and curtain coating scraper 1-
Gap between S7 contacts with each other, after passing through curtain coating scraper 1-S7 and curtain coating scraper 2-S8,25 DEG C -35 DEG C of slurry flows -
After 45 DEG C of -55 DEG C of -65 DEG C of sectionals are dry after drying, greyish white double-colored biscuit band is obtained, the greyish white double-colored biscuit band pore-free
And flawless, the color and pattern of greyish white double-colored biscuit band are as shown in Figure 3.
Embodiment 2
1. the preparation of grey casting slurry：1. weighing yttrium stable zirconium oxide powder (d50Less than 50nm), six water chlorination of reinforcing agent
Aluminium, six water neodymium nitrate of toner and composite dispersing agent (cetyl trimethylammonium bromide：Didodecyldimethylammbromide bromide
Mass ratio is 1：1)；The weight ratio of reinforcing agent and yttrium stable zirconium oxide powder is 1：10.6；Toner and yttrium stablize the matter of oxidation powder
Amount is than being 1：7；The mass ratio of composite dispersing agent and yttrium stable zirconium oxide powder is 1：40；Adding weight is reinforcing agent and yttrium Stable Oxygen
Dehydrated alcohol-butanone the azeotropic mixture for changing 1.2 times of zirconium powder total weight, using zirconia ball as ball-milling medium, mixing and ball milling 20h is made
Slurry A3；2. bonding agent polyvinyl butyral and composite elasticizer (dipropylene glycol dibenzoate are added into slurry A3：Three
The mass ratio of two tricaprylate of glycol is 1：1)；The mass ratio of composite elasticizer and yttrium stable zirconium oxide powder is 1：8；Bonding agent with
The mass ratio of yttrium stable zirconium oxide powder is 1：8, for 24 hours, slurry B3 is made in mixing and ball milling again；3. being in vacuum degree by slurry B3
Deaeration under conditions of 0.1Pa, obtains grey slurry C 3, and viscosity is about 10000mPas；
2. the preparation of white casting slurry：1. weighing yttrium stable zirconium oxide powder (d50Less than 50nm), six water chlorination of reinforcing agent
Aluminium and composite dispersing agent (cetyl trimethylammonium bromide：The mass ratio of didodecyldimethylammbromide bromide is 1：1)；Enhancing
The weight ratio of agent and yttrium stable zirconium oxide powder is 1：10.6；The mass ratio of composite dispersing agent and yttrium stable zirconium oxide powder is 1：40；
Dehydrated alcohol-butanone azeotropic mixture that weight is 1.2 times of reinforcing agent and yttrium stable zirconium oxide powder total weight is added, is with zirconia ball
Slurry A4 is made in ball-milling medium, mixing and ball milling 20h；2. bonding agent polyvinyl butyral and compound increasing are added into slurry A4
Mould agent (dipropylene glycol dibenzoate:The mass ratio of two tricaprylate of triethylene glycol is 1：1), plasticizer and yttrium stable zirconium oxide powder
Mass ratio be 1：8；The mass ratio of bonding agent and yttrium stable zirconium oxide powder is 1：8, mixing and ball milling 16h, is made slurry B4 again；
According to the pH value of grey casting slurry C3, zirconium oxychloride is added, the pH value of white slurry is adjusted to and grey casting slurry C3
PH value it is close, be further continued for ball milling 8h, be made slurry D2.3. slurry D2 deaeration under conditions of vacuum degree is 0.1Pa is obtained
White slurry C4, viscosity are about 10000mPas；
3. the preparation of greyish white double-colored biscuit band：Using binary channels the tape casting by grey slurry C 3 and white C4 progress biscuit at
Type, binary channels hopper are as shown in Figure 2.There is a removable hopper partition S2 among the hopper S9 of casting machine, is cast scraper 1-
Height of the S7 edge of a knife apart from polyester film S13 is 2mm, and being cast height of the scraper 2-S8 edge of a knife apart from polyester film S13 is 1.9mm, will
Grey slurry C 3 pours into the side of hopper partition S2, and white slurry C4 is poured into the other side of hopper partition S2, moves hopper
Partition S2 adjacent grey slurry C 3 and white slurry C4 will be in casting slurry hopper S9 and the gap being cast between scraper 1-S7
Place contacts with each other, after passing through curtain coating scraper 1-S7 and curtain coating scraper 2-S8,25 DEG C -35 DEG C -45 DEG C -55 DEG C -65 of slurry flows
After DEG C sectional is dry after drying, greyish white double-colored biscuit band is obtained, greyish white double-colored biscuit band pore-free also flawless.
4. the preparation of polychrome zirconia ceramics piece：It carries out greyish white double-colored biscuit band to cut into biscuit according to required requirement
Piece, carries out dumping degreasing in debinding furnace, and degreasing heating curve is to be warming up to 200 DEG C at 20 DEG C with 2 DEG C/min, then with 0.3
DEG C/min is warming up to 500 DEG C, then is warming up to 650 DEG C with 1 DEG C/min, in 650 DEG C of heat preservation 1h, then cools down with furnace, obtain green compact；
Put the green body into corundum crucible, be placed in sintering furnace, be warming up to 1450 DEG C with the rate of 10 DEG C/min, keep the temperature 2h, it is laggard
Greyish white double-colored zirconia ceramics piece is made in row natural cooling, after double-colored ceramic laser aperture, corase grinding and the polishing, is put down
Board-like zirconia ceramics rear cover, the fracture toughness of the zirconia ceramics is 9.1MPam after tested1/2, bending strength is
1028MPa。
Embodiment 3
1. the preparation of yellow casting slurry：1. weighing yttrium stable zirconium oxide powder (d according to the ratio50Less than 50nm), reinforcing agent six
Water aluminium chloride, toner samarium chloride six hydrate and composite dispersing agent (cetyl trimethylammonium bromide:Double dodecyl dimethyl bromines
Change ammonium=1:1)；The weight ratio of reinforcing agent and yttrium stable zirconium oxide powder is 1：10.6；Toner and yttrium stablize the weight of oxidation powder
Than being 1：7；The mass ratio of composite dispersing agent and yttrium stable zirconium oxide powder is 1：40；Adding weight is that reinforcing agent and yttrium stablize oxidation
1.2 times of zirconium powder total weight of dehydrated alcohol-butanone azeotropic mixture, using zirconia ball as ball-milling medium, mixing and ball milling 20 is good, and slurry is made
Expect A5；2. bonding agent polyvinyl butyral and composite elasticizer (dipropylene glycol dibenzoate are added into slurry A5:Three is sweet
The mass ratio of two tricaprylate of alcohol is 1：1), the quality of plasticizer and yttrium stable zirconium oxide powder is 1：8；Bonding agent and yttrium Stable Oxygen
The mass ratio for changing zirconium powder is 1:8, for 24 hours, slurry B5 is made in mixing and ball milling again；3. by slurry B5 in the item that vacuum degree is 0.1Pa
Deaeration under part, obtains yellow slurry C5, and viscosity is about 10000mPas；
2. the preparation of pink colour casting slurry：1. weighing yttrium stable zirconium oxide powder (d according to the ratio50Less than 50nm), toner four
Water acetic acid erbium, reinforcing agent Aluminum Chloride Hexahydrate and composite dispersing agent (cetyl trimethylammonium bromide：Double dodecyl dimethyl bromines
The mass ratio for changing ammonium is 1：1)；The weight ratio of reinforcing agent and yttrium stable zirconium oxide powder is 1：10.6；Toner and yttrium, which are stablized, to be aoxidized
The weight ratio of powder is 1：6；The quality of composite dispersing agent and yttrium stable zirconium oxide powder is 1：40；Adding weight is that reinforcing agent and yttrium are steady
Dehydrated alcohol-butanone the azeotropic mixture for determining 1.2 times of zirconia powder total weight, using zirconia ball as ball-milling medium, mixing and ball milling 20h,
Slurry A6 is made；2. bonding agent polyvinyl butyral and composite elasticizer (dipropylene glycol dibenzoic acid are added into slurry A6
Ester:The mass ratio of two tricaprylate of triethylene glycol is 1：1), the quality of plasticizer and yttrium stable zirconium oxide powder is 1：8；Bonding agent with
The mass ratio of yttrium stable zirconium oxide powder is 1：8, mixing and ball milling 16h, is made slurry B6 again；The pH value of foundation yellow slurry C5,
Zirconium oxychloride is added, the pH value of pink colour slurry C 6 is adjusted to close with the pH value of yellow slurry C6, is further continued for ball milling 8h, is made
Slurry D3.3. slurry D3 deaeration under conditions of vacuum degree is 0.1Pa is obtained pink colour slurry C 6, viscosity is about
10000mPa·s；
3. the preparation of the double-colored biscuit band of bloom：Yellow slurry C5 and pink colour slurry C 6 are carried out by element using binary channels the tape casting
Base molding, binary channels hopper are as shown in Figure 2.There is a removable hopper partition S2 among the hopper S9 of casting machine, curtain coating is scraped
Height of the knife 1-S7 edge of a knife apart from polyester film S13 is 2mm, is cast height of the scraper 2-S8 edge of a knife apart from polyester film S13 and is
Yellow slurry C5 is poured into the side of hopper partition S2 by 1.9mm, and pink colour slurry C 6 is poured into the other side of hopper partition.It is removable
Dynamic hopper partition S2 adjacent yellow slurry C5 and pink colour slurry C 6 will be between casting slurry hopper S9 and curtain coating scraper 1-S7
Gap contact with each other, after passing through curtain coating scraper 1-S7 and curtain coating scraper 2-S8, yellow slurry C5 and pink colour slurry C 6 flow
After 25 DEG C of -35 DEG C of -45 DEG C of -55 DEG C of -65 DEG C of sectionals are dry, the double-colored biscuit band of bloom is obtained, biscuit band pore-free, nothing are split
Line.
4. the preparation of the double-colored zirconium oxide biscuit body of bloom：The double-colored biscuit band of bloom is cut into according to required requirement
After biscuit piece, it is put into 110 DEG C of heat preservation 3h removal residual water of baking oven and organic solvent, then biscuit piece is placed in concave mold,
Biscuit piece and mold are integrally put into vacuum bag, vacuumized, warm isostatic pressing machine is then placed in and carries out three-dimensional contouring, wait static pressure water
Temperature is 80 DEG C, pressure 100MPa, dwell time 15min, after warm isostatic pressing machine pressure release, obtains the three-dimensional double-colored biscuit of bloom
Body.
5. the preparation of the double-colored zirconia ceramics piece of bloom：The double-colored biscuit body of bloom is placed in crucible, and buries oxidation
Zirconium powder carries out dumping degreasing after slight compacting in debinding furnace, and degreasing heating curve is：At 20 DEG C, it is warming up to 2 DEG C/min
200 DEG C, then 500 DEG C are warming up to 0.3 DEG C/min, then be warming up to 650 DEG C with 1 DEG C/min, then be warming up to 1000 with 3 DEG C/min
DEG C, in 1000 DEG C of heat preservation 1h, then cool down with furnace, obtains the double-colored zirconium oxide green compact of bloom；The green is put into corundum crucible
In, zirconia powder is buried, is placed in sintering furnace, 1400 DEG C is warming up to 10 DEG C/min, keeps the temperature 2h, carry out conventional chilling later,
Obtain the three-dimensional double-colored zirconia ceramics piece of bloom.By the potsherd after sharp processing, 3D corase grinding, 3D polishing, 3D oxygen is obtained
Change zircon ceramic cell phone rear cover.The rear cover fracture toughness is 8.5MPam1/2, bending strength 1070MPa.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by change, modification, substitution, combination and simplify,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of polychrome zirconia ceramics piece, which is characterized in that the zirconia ceramics piece is to be with yttrium stable zirconium oxide powder
Primary raw material, it is total by addition reinforcing agent, toner, pH regulator, bonding agent, plasticizer, dispersing agent and dehydrated alcohol-butanone
Object is boiled, monochromatic casting slurry is obtained by ball milling；Monochromatic casting slurry is prepared by polychrome oxidation using multichannel the tape casting
Zircon ceramic biscuit band is formed after being cut into biscuit piece through static pressure such as excess temperatures, obtains three-dimensional polychrom green body, then pass through
It is made after dumping, sintering.
2. polychrome zirconia ceramics piece according to claim 1, which is characterized in that the partial size of the yttrium stable zirconium oxide powder
For 30~300nm, purity is 99~100%；The pH regulator is zirconium oxychloride；The reinforcing agent be anhydrous aluminum chloride,
One or more of Aluminum Chloride Hexahydrate or yttrium nitrate hexahydrate；The bonding agent is polyvinyl butyral；The plasticizer is three
Two tricaprylate of glycol or/and dipropylene glycol dibenzoate；The dispersing agent is polyethylene glycol, double dodecyl dimethyl bromines
Change one of ammonium or cetyl trimethylammonium bromide or any two kinds of mixing.
3. polychrome zirconia ceramics piece according to claim 1, which is characterized in that the toner be rare earth metal salt or
Transition metal salt, the rare earth metal salt or transition metal salt dissolve in ethyl alcohol or butanone.
4. polychrome zirconia ceramics piece according to claim 3, which is characterized in that the rare earth metal salt is rare earth metal
Nitrate, rare earth metal sulfate, rare earth metal chlorate, rare earth metal oxygen fluoride salt, rare earth metal citrate or rare earth
One or more of metal acetate；The transition metal salt is transition metal nitrate, transition metal sulfate, transition metal
Chlorate, oxo transition metal fluoride salt, one or more of transition metal citrate or transition metal acetate.
5. polychrome zirconia ceramics piece according to claim 4, which is characterized in that the rare earth metal be cerium, praseodymium, neodymium,
Samarium, europium, terbium, holmium, erbium, thulium, lutetium, dysprosium, lanthanum, ytterbium or gadolinium, the transition metal are vanadium, chromium, manganese, iron, cobalt, nickel or copper.
6. polychrome zirconia ceramics piece according to claim 1, which is characterized in that the yttrium stable zirconium oxide powder and enhancing
The mass ratio of agent is (8~100)：1；The mass ratio of the yttrium stable zirconium oxide powder and dispersing agent is (40~60)：1；The yttrium
The mass ratio of stabilizing zirconia powder and bonding agent is (7~20)：1；The mass ratio of the yttrium stable zirconium oxide powder and plasticizer is
(7~20)：1；The mass ratio of the toner and yttrium stable zirconium oxide powder is 1：(5~50).
7. polychrome zirconia ceramics piece according to claim 1, which is characterized in that the temperature of the static pressure such as described temperature be 75~
90 DEG C, pressure is 100~150MPa；The maximum temperature of the dumping is 600~1000 DEG C, and the heating rate of dumping is 0.3~3
DEG C/min, 0.5~1h is kept the temperature in the maximum temperature of dumping；The temperature of the sintering is 1300~1500 DEG C, the heating speed of sintering
Rate is 5~15 DEG C/min, is 2~4h in the soaking time of sintering.
8. the preparation method of polychrome zirconia ceramics piece according to claim 1-7, which is characterized in that including such as
Lower specific steps：
S1. the preparation of polychrome casting slurry：1. weighing yttrium stable zirconium oxide powder, reinforcing agent, toner, slurry pH regulator and dividing
Powder adds dehydrated alcohol-butanone azeotropic mixture, carries out first time ball milling, and slurry A is made；2. bonding agent and plasticizer are added
In slurry A, second of ball milling is carried out, slurry B is made；3. slurry B deaeration under conditions of vacuum degree is 0.1Pa is obtained list
Mill base material C；
S2. the preparation of polychrome zirconia ceramics biscuit band：The monochromatic slurry C of different colours is carried out by element using multichannel the tape casting
Base molding, concrete mode are as follows：The monochromatic slurry C of different colours is injected into the stream being separated by casting slurry injection pipe
Prolong in slurry hopper, at the same by programmable servo motor group controller control programmable servo motor pushing move hopper every
Plate is moved left and right, and adjusts the rate of membrane motor, and the reel being connected with membrane motor is made to drive polyester film mobile, this
When, two kinds of adjacent different monochromatic slurries of any removable hopper partition will be between casting slurry hopper and curtain coating scraper 1
Gap contacts with each other, and after passing through curtain coating scraper 1 and curtain coating scraper 2, after drying, obtains biscuit band；
S3. biscuit band obtained by step S2 is cut and is punched, obtain biscuit piece；
S4. biscuit piece is placed in a mold, with warm isostatic pressing, is obtained with three-dimensional polychrom green body；
S5., polychrom green body is carried out to buried powder dumping in debinding furnace, after sintering, obtains polychrome zirconia ceramics piece.
9. the preparation method of polychrome zirconia ceramics piece according to claim 8, which is characterized in that increase described in step S1
The gross mass and dehydrated alcohol-butanone azeotropic mixture mass ratio of strong agent and yttrium stable zirconium oxide powder are 1：(1.2~1.5), it is described
The time of first time ball milling is 15~20h, total time of second of ball milling is 15~for 24 hours；Biscuit band described in step S2
With a thickness of 0.6~1.5mm.
10. polychrome zirconia ceramics piece according to claim 1-7 is preparing the application in mobile phone dorsal shield field.
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| CN110117189A (en) * | 2019-05-27 | 2019-08-13 | 深圳陶陶科技有限公司 | Ceramic appearance member and preparation method thereof and system |
| WO2019237692A1 (en) * | 2018-06-15 | 2019-12-19 | 广东工业大学 | Multi-color zirconium oxide ceramic sheet, preparation method and application thereof |
| CN110666931A (en) * | 2019-10-31 | 2020-01-10 | 东莞信柏结构陶瓷股份有限公司 | Multicolor ceramic product and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603141A (en) * | 2003-10-03 | 2005-04-06 | 李兴兵 | Technique for manufacturing ceramic glazed tile with natural stone texture |
| WO2013130553A1 (en) * | 2012-03-01 | 2013-09-06 | James R. Glidewell Dental Ceramics, Inc. | Method for coloring ceramics via colloidal dispersion |
| CN105849064A (en) * | 2013-12-27 | 2016-08-10 | 东曹株式会社 | Zirconia sintered body and use thereof |
| CN106495691A (en) * | 2016-11-02 | 2017-03-15 | 湖南正阳精密陶瓷有限公司 | A kind of zirconia ceramics fingerprint recognition thin slice and its preparation and application |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108863357B (en) * | 2018-06-15 | 2020-02-21 | 广东工业大学 | Multicolor zirconia ceramic sheet and preparation method and application thereof |
-
2018
- 2018-06-15 CN CN201810623598.8A patent/CN108863357B/en active Active
- 2018-12-14 WO PCT/CN2018/121026 patent/WO2019237692A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603141A (en) * | 2003-10-03 | 2005-04-06 | 李兴兵 | Technique for manufacturing ceramic glazed tile with natural stone texture |
| WO2013130553A1 (en) * | 2012-03-01 | 2013-09-06 | James R. Glidewell Dental Ceramics, Inc. | Method for coloring ceramics via colloidal dispersion |
| CN105849064A (en) * | 2013-12-27 | 2016-08-10 | 东曹株式会社 | Zirconia sintered body and use thereof |
| CN106495691A (en) * | 2016-11-02 | 2017-03-15 | 湖南正阳精密陶瓷有限公司 | A kind of zirconia ceramics fingerprint recognition thin slice and its preparation and application |
Cited By (13)
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|---|---|---|---|---|
| WO2019237692A1 (en) * | 2018-06-15 | 2019-12-19 | 广东工业大学 | Multi-color zirconium oxide ceramic sheet, preparation method and application thereof |
| CN110117189A (en) * | 2019-05-27 | 2019-08-13 | 深圳陶陶科技有限公司 | Ceramic appearance member and preparation method thereof and system |
| CN110117189B (en) * | 2019-05-27 | 2024-03-26 | 深圳陶陶科技有限公司 | Ceramic appearance piece and preparation method and system thereof |
| CN112351121A (en) * | 2019-08-09 | 2021-02-09 | Oppo广东移动通信有限公司 | Manufacturing method of ceramic rear cover, ceramic rear cover and mobile terminal |
| CN112430085A (en) * | 2019-08-26 | 2021-03-02 | Oppo广东移动通信有限公司 | Manufacturing method of ceramic structural component, ceramic structural component and mobile terminal |
| CN110666931A (en) * | 2019-10-31 | 2020-01-10 | 东莞信柏结构陶瓷股份有限公司 | Multicolor ceramic product and preparation method thereof |
| CN111087241A (en) * | 2019-12-31 | 2020-05-01 | 伯恩光学(惠州)有限公司 | Preparation process of colorful ceramic product with imitated natural texture and colorful ceramic product |
| CN111548151A (en) * | 2020-05-19 | 2020-08-18 | 盐城工学院 | Colorful ceramic mobile phone backboard and production process thereof |
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| CN113582688A (en) * | 2021-09-01 | 2021-11-02 | 内蒙古科技大学 | High-toughness haze gray ceramic and preparation method thereof |
| CN113582688B (en) * | 2021-09-01 | 2022-10-14 | 内蒙古科技大学 | High-toughness haze gray ceramic and preparation method thereof |
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