CN110105065A - A kind of temperature-stable ceramic medium material and preparation method thereof - Google Patents
A kind of temperature-stable ceramic medium material and preparation method thereof Download PDFInfo
- Publication number
- CN110105065A CN110105065A CN201910405414.5A CN201910405414A CN110105065A CN 110105065 A CN110105065 A CN 110105065A CN 201910405414 A CN201910405414 A CN 201910405414A CN 110105065 A CN110105065 A CN 110105065A
- Authority
- CN
- China
- Prior art keywords
- temperature
- medium material
- ceramic medium
- preparation
- stable ceramic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/475—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 titanium oxides or titanates based on titanates based on bismuth titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
The present invention relates to ceramic medium material field, specifically a kind of temperature-stable ceramic medium material and preparation method thereof.It is the KNbO for being 5-20% by mass percent3, 10-20% SrTiO3With the BiMg of 70-85%0.1Ti0.7O3Composition.Temperature-stable ceramic medium material provided by the present invention, SrTiO3‑BiMg0.1Ti0.7O3It is that have moderate sintering temperature generally in 1050 DEG C or so, dielectric constant with higher, adjustable temperature coefficient of capacity and lower loss be a kind of medium ceramic material haveing excellent performance to media ceramic.The present invention selects SrTiO3‑BiMg0.1Ti0.7O3System takes addition KNbO3For the method for doping vario-property, while so that it is met temperature-stable, the advantage high with dielectric constant, dielectric loss is low.
Description
Technical field
The present invention relates to ceramic medium material field, specifically a kind of temperature-stable ceramic medium material and its preparation side
Method.
Background technique
With the development of integrated circuit, electronic communication equipment terminal develops towards miniaturization, sheet type multi-layer ceramic electricity
Container can be very good to adapt to this trend, because due to be widely used.And with the development of technology, superior property
Can be also further obvious, have the tendency that gradually replacing tantalum capacitor, electrolytic capacitor.Market sale hundreds billion of, the world year, is widely used in
In the various surface mount circuits of electronics and IT products
In recent years, as electronic information equipment in the universal of all trades and professions and is widely applied, especially in some particular rows
The application of industry and extreme environment, to the dielectric temperature change rate performance of multi-layer ceramic capacitance, more stringent requirements are proposed.In vapour
In vehicle control field, such as start the engine electronic control unit (ECU) installed in cabin, anti-lock braking system (ABS), air/combustion
Material ratio control module etc., it is desirable that the hot operation temperature range of multi-layer ceramic capacitance reaches 150 DEG C or so.Meanwhile in aviation
During electronics, autoelectrinic, environment measuring etc. are multi-field, require that electronic system can be under extreme exacting terms just
Often work, this requires the hot operation temperature of multi-layer ceramic capacitance to extend to 150 DEG C or more or even 200 DEG C or more.Large capacity
The capacitor key factor that can electronic equipment work normally in the case where the dielectric temperature characteristic of high temperature section has become hot environment it
One.Study the temperature-stable dielectric material in more wide temperature range become it is current there is an urgent need to
Report that more temperature-stable ceramic capacitance material has tungsten-bronzes structure ceramic system, lead based relaxor iron at present
Electroceramics system and BaTiO3The medium ceramic materials such as base ferroelectric ceramics system, but these ceramic materials exist containing a large amount of
The problems such as heavy metal lead, sintering temperature are high, operating temperature range is narrow, dielectric constant is low and loss is higher.
Summary of the invention
The present invention is intended to provide a kind of temperature-stable ceramic medium material and preparation method thereof, and the dielectric material is normal
Number is high, dielectric loss is low, leadless environment-friendly, and the sintering temperature of its method is low.
The present invention is achieved by the following technical solutions: a kind of temperature-stable ceramic medium material is by quality hundred
Divide the KNbO than being 5-20%3, 10-20% SrTiO3With the BiMg of 70-85%0.1Ti0.7O3Composition.
Invention further provides a kind of preparation methods of temperature-stable ceramic medium material, comprising the following steps:
(1) by raw material Bi2O3, MgO and TiO2By Formula B iMg0.1Ti0.7O3, ingredient ball milling is carried out, is warming up to 800 DEG C, is protected
It is 2-4 hours warm, frit A is made；
(2) according to mass percent by the KNbO of 5-20%3, 10-20% SrTiO3Two are carried out with the frit A of 70-85%
Secondary ingredient obtains ingredient B；
(3) by ingredient B ball milling, the binder for being incorporated as the 5-8wt% of ingredient B is granulated, is pressed into green compact, is warming up to 400-
500 DEG C are warming up to 1020 DEG C -1050 DEG C again and keep the temperature 1 hour, and temperature-stable ceramic medium material is made after cooling.
As the further improvement of preparation method technical solution of the present invention, in the step (1), it is warming up to 800 DEG C of liter
Warm rate is 5-10 DEG C/min.
As the further improvement of preparation method technical solution of the present invention, in the step (1), it is warming up to 800 DEG C of liter
Warm rate is 7 DEG C/min.
It is the liter by 2 DEG C/min in the step (3) as the further improvement of preparation method technical solution of the present invention
Warm rate is heated to 400-500 DEG C, then is heated to 1020 DEG C -1050 DEG C by the heating rate of 10 DEG C/min.
As the further improvement of preparation method technical solution of the present invention, the binder is polyvinyl alcohol or paraffin.
Material as the further improvement of preparation method technical solution of the present invention, after the ball milling of the step (1) and (3)
Needed the hole 120-250/cm2Sub-sieve.
Temperature-stable ceramic medium material provided by the present invention, SrTiO3-BiMg0.1Ti0.7O3It is that media ceramic has
Perovskite structure has moderate sintering temperature, generally in 1050 DEG C or so, dielectric constant with higher, adjustable capacity
Temperature coefficient and lower loss are a kind of medium ceramic materials haveing excellent performance.The present invention selects SrTiO3-
BiMg0.1Ti0.7O3System takes addition KNbO3For the method for doping vario-property, K+And Nb5+It can be dissolved into system perovskite respectively
The position A of structure and B, change the lattice parameter of system, thus while so that its operating temperature range is broadened, it is normal with dielectric
The advantage that number is high, dielectric loss is low.The ceramic medium material that the preparation method obtains, dielectric constant exist through the invention
Between 850-900, dielectric loss is between 0.01-0.02.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the temperature coefficient for the ceramic medium material that embodiment 1, embodiment 2, embodiment 3 and embodiment 4 prepare
The test result figure of TCC.As seen from the figure: as temperature increases, slow ascendant trend is all presented in temperature coefficient, on 25 DEG C of left sides
It is right peak value occur, it is then gradually reduced, but temperature coefficient, all in ± 15%, temperature stability is high.
Fig. 2 is the SEM figure for the ceramic medium material that the present invention prepares.As seen from the figure: grain growth is better
Good, morphological rules is uniform in size, and average grain diameter is 2.3 μm, and consistency is high.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
A kind of temperature-stable ceramic medium material is the KNbO for being 5-20% by mass percent3, 10-20%
SrTiO3With the BiMg of 70-85%0.1Ti0.7O3Composition.
A kind of preparation method of temperature-stable ceramic medium material, comprising the following steps:
(1) by raw material Bi2O3, MgO and TiO2By Formula B iMg0.1Ti0.7O3, ingredient ball milling is carried out, is warming up to 800 DEG C, is protected
It is 2-4 hours warm, frit A is made；
(2) according to mass percent by the KNbO of 5-20%3, 10-20% SrTiO3Two are carried out with the frit A of 70-85%
Secondary ingredient obtains ingredient B；
(3) by ingredient B ball milling, the binder for being incorporated as the 5-8wt% of ingredient B is granulated, is pressed into green compact, is warming up to 400-
500 DEG C are warming up to 1020 DEG C -1050 DEG C again and keep the temperature 1 hour, and temperature-stable ceramic medium material is made after cooling.
In the present invention, the binder that step (3) is added can vapor away in subsequent temperature-rise period, and of the invention
The sintering process of step (3) is primarily to make ceramic medium material achieve the purpose that densification.
In the present invention, it is preferred to, in the step (1), the heating rate for being warming up to 1100 DEG C is 5-10 DEG C/min.
In the present invention, it is preferred to, in the step (1), the heating rate for being warming up to 1100 DEG C is 7 DEG C/min.
In the present invention, it is preferred to, it is to be heated to 400-500 DEG C by the heating rate of 2 DEG C/min in the step (3),
1020 DEG C -1050 DEG C are heated to by the heating rate of 10 DEG C/min again.
In the present invention, it is preferred to, the binder is polyvinyl alcohol or paraffin.
In the present invention, it is preferred to, the material after the ball milling of the step (1) and (3) needed the hole 120-250/cm2 to divide sample
Sieve.When it is implemented, the medium of the ball milling is the zirconia ball of diameter 1mm.
Test method and detection device used in the present invention are as follows:
1, the test of permittivity ε and loss tan δ
Using HEWLETT PACKARD 4278A capacitance measuring tester, capacitance C and dielectric loss the tan δ of test capacitors
(test frequency 1KHz), and permittivity ε is calculated by following formula:
Wherein: the capacitance of C- print, unit pF；The thickness of d- print, unit cm；The sintered diameter of D- print, it is single
Position cm.
2, the test (- 55 DEG C~200 DEG C) of temperature coefficient TCC
Utilize 6425 type WAYKERR electric bridges, GZ-ESPEC MC-710F high-low temperature chamber and HM27002 type capacitor C-T/V
Characteristic dedicated tester measures the capacitance variation with temperature situation of sample, so as to find out the capacitance temperature factor of capacitor
(test frequency 1KHz), calculation formula are as follows:
Wherein: fiducial temperature chooses 25 DEG C, C0For 25 DEG C of capacity of temperature, C1For temperature t1Capacity.
Technical solution of the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1
By raw material Bi2O3, MgO and TiO2By Formula B iMg0.1Ti0.7O3, ingredient is carried out, in the ball that revolving speed is 400r/min
250 holes/cm is crossed in 100 DEG C of dryings in a conventional oven of 3.3kw in ball milling 6 hours on grinding machine2Sub-sieve, with 5 DEG C/min liter
Temperature keeps the temperature 3 hours to 800 DEG C, and at 800 DEG C, obtains frit A.
Second batch is carried out, according to 5% KNbO3, 10% SrTiO3It is uniformly mixed with the relationship between quality of 85% frit A
It closes, deionized water is added in revolving speed to be in 120 DEG C of dryings, to cross 250 holes/cm ball milling 8 hours on 400r/min ball mill2Sub-sieve,
8wt% paraffin is added to be granulated, is pressed into green compact, is first heated to 450 DEG C by the heating rate of 2 DEG C/min, then by 10 DEG C/min's
Heating rate is heated to 1020 DEG C of firings, keeps the temperature 1 hour, and ceramic medium material is made after cooling.
The test result (test frequency 1KHz) of the dielectric properties of above-described embodiment ceramic medium material be detailed in the following table 1 and
Fig. 1.
Table 1
| Project | Firing temperature (DEG C) | Soaking time (h) | Permittivity ε | Tan δ is lost |
| Embodiment 1 | 1020 | 1 | 850 | 0.015 |
Embodiment 2
By raw material Bi2O3, MgO and TiO2By Formula B iMg0.1Ti0.7O3, ingredient is carried out, in the ball that revolving speed is 400r/min
250 holes/cm is crossed in 100 DEG C of dryings in a conventional oven of 3.3kw in ball milling 6 hours on grinding machine2Sub-sieve, with 5 DEG C/min liter
Temperature keeps the temperature 3 hours to 800 DEG C, and at 800 DEG C, obtains frit A.
Second batch is carried out, according to 10% KNbO3, 20% SrTiO3It is uniformly mixed with the relationship between quality of 70% frit A
It closes, deionized water is added in revolving speed to be in 120 DEG C of dryings, to cross 250 holes/cm ball milling 8 hours on 400r/min ball mill2Sub-sieve,
8wt% paraffin is added to be granulated, is pressed into green compact, is first heated to 450 DEG C by the heating rate of 2 DEG C/min, then by 10 DEG C/min's
Heating rate is heated to 1030 DEG C of firings, keeps the temperature 1 hour, and ceramic medium material is made after cooling.
The test result (test frequency 1KHz) of above-described embodiment dielectric properties is detailed in the following table 2 and Fig. 1.
Table 2
| Project | Firing temperature (DEG C) | Soaking time (h) | Permittivity ε | Tan δ is lost |
| Embodiment 2 | 1030 | 1 | 870 | 0.013 |
Embodiment 3
By raw material Bi2O3, MgO and TiO2By Formula B iMg0.1Ti0.7O3, ingredient is carried out, in the ball that revolving speed is 400r/min
250 holes/cm is crossed in 100 DEG C of dryings in a conventional oven of 3.3kw in ball milling 6 hours on grinding machine2Sub-sieve, with 5 DEG C/min liter
Temperature keeps the temperature 3 hours to 800 DEG C, and at 800 DEG C, obtains frit A.
Second batch is carried out, according to 20% KNbO3, 10% SrTiO3It is uniformly mixed with the relationship between quality of 70% frit A
It closes, deionized water is added in revolving speed to be in 120 DEG C of dryings, to cross 250 holes/cm ball milling 8 hours on 400r/min ball mill2Sub-sieve,
8wt% paraffin is added to be granulated, is pressed into green compact, is first heated to 450 DEG C by the heating rate of 2 DEG C/min, then by 10 DEG C/min's
Heating rate is heated to 1040 DEG C of firings, keeps the temperature 1 hour, and ceramic medium material is made after cooling.
The test result (test frequency 1KHz) of above-described embodiment dielectric properties is detailed in the following table 3 and Fig. 1.
Table 3
| Project | Firing temperature (DEG C) | Soaking time (h) | Permittivity ε | Tan δ is lost |
| Embodiment 3 | 1040 | 1 | 880 | 0.0121 |
Embodiment 4
By raw material Bi2O3, MgO and TiO2By Formula B iMg0.1Ti0.7O3, ingredient is carried out, in the ball that revolving speed is 400r/min
250 holes/cm is crossed in 100 DEG C of dryings in a conventional oven of 3.3kw in ball milling 6 hours on grinding machine2Sub-sieve, with 5 DEG C/min liter
Temperature keeps the temperature 3 hours to 800 DEG C, and at 800 DEG C, obtains frit A.
Second batch is carried out, according to 10% KNbO3, 10% SrTiO3It is uniformly mixed with the relationship between quality of 80% frit A
It closes, deionized water is added in revolving speed to be in 120 DEG C of dryings, to cross 250 holes/cm ball milling 8 hours on 400r/min ball mill2Sub-sieve,
8wt% paraffin is added to be granulated, is pressed into green compact, is first heated to 450 DEG C by the heating rate of 2 DEG C/min, then by 10 DEG C/min's
Heating rate is heated to 1050 DEG C of firings, keeps the temperature 1 hour, and ceramic medium material is made after cooling.
The test result (test frequency 1KHz) of above-described embodiment dielectric properties is detailed in the following table 4 and Fig. 1.
Table 4
| Project | Firing temperature (DEG C) | Soaking time (h) | Permittivity ε | Tan δ is lost |
| Embodiment 4 | 1050 | 1 | 900 | 0.0181 |
Embodiment 5
By raw material Bi2O3, MgO and TiO2By Formula B iMg0.1Ti0.7O3, ingredient is carried out, in the ball that revolving speed is 400r/min
120 holes/cm is crossed in 100 DEG C of dryings in a conventional oven of 3.3kw in ball milling 6 hours on grinding machine2Sub-sieve, with 10 DEG C/min liter
Temperature keeps the temperature 2 hours to 800 DEG C, and at 800 DEG C, obtains frit A.
Second batch is carried out, according to 10% KNbO3, 10% SrTiO3It is uniformly mixed with the relationship between quality of 80% frit A
It closes, deionized water is added in revolving speed to be in 120 DEG C of dryings, to cross 120 holes/cm ball milling 8 hours on 400r/min ball mill2Sub-sieve,
6wt% polyvinyl alcohol is added to be granulated, is pressed into green compact, is first heated to 400 DEG C by the heating rate of 2 DEG C/min, then press 10 DEG C/
The heating rate of min is heated to 1050 DEG C of firings, keeps the temperature 1 hour, and ceramic medium material is made after cooling.
Embodiment 6
By raw material Bi2O3, MgO and TiO2By Formula B iMg0.1Ti0.7O3, ingredient is carried out, in the ball that revolving speed is 400r/min
200 holes/cm is crossed in 100 DEG C of dryings in a conventional oven of 3.3kw in ball milling 6 hours on grinding machine2Sub-sieve, with 7 DEG C/min liter
Temperature keeps the temperature 4 hours to 800 DEG C, and at 800 DEG C, obtains frit A.
Second batch is carried out, according to 10% KNbO3, 10% SrTiO3It is uniformly mixed with the relationship between quality of 80% frit A
It closes, deionized water is added in revolving speed to be in 120 DEG C of dryings, to cross 200 holes/cm ball milling 8 hours on 400r/min ball mill2Sub-sieve,
5wt% polyvinyl alcohol is added to be granulated, is pressed into green compact, is first heated to 500 DEG C by the heating rate of 2 DEG C/min, then press 10 DEG C/
The heating rate of min is heated to 1050 DEG C of firings, keeps the temperature 1 hour, and ceramic medium material is made after cooling.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (7)
1. a kind of temperature-stable ceramic medium material, which is characterized in that be the KNbO for being 5-20% by mass percent3、10-
20% SrTiO3With the BiMg of 70-85%0.1Ti0.7O3Composition.
2. a kind of preparation method of temperature-stable ceramic medium material described in claim 1, which is characterized in that including following
Step:
(1) by raw material Bi2O3, MgO and TiO2By Formula B iMg0.1Ti0.7O3, ingredient ball milling is carried out, is warming up to 800 DEG C, keeps the temperature 2-4
Hour, frit A is made；
(2) according to mass percent by the KNbO of 5-20%3, 10-20% SrTiO3Secondary match is carried out with the frit A of 70-85%
Material obtains ingredient B；
(3) by ingredient B ball milling, the binder for being incorporated as the 5-8wt% of ingredient B is granulated, is pressed into green compact, is warming up to 400-500
It DEG C is warming up to 1020 DEG C -1050 DEG C again and keeps the temperature 1 hour, temperature-stable ceramic medium material is made after cooling.
3. a kind of preparation method of temperature-stable ceramic medium material according to claim 2, which is characterized in that described
In step (1), the heating rate for being warming up to 800 DEG C is 5-10 DEG C/min.
4. a kind of preparation method of temperature-stable ceramic medium material according to claim 3, which is characterized in that described
In step (1), the heating rate for being warming up to 800 DEG C is 7 DEG C/min.
5. a kind of preparation method of temperature-stable ceramic medium material according to claim 2, which is characterized in that described
It is 400-500 DEG C to be heated to by the heating rate of 2 DEG C/min, then be heated to by the heating rate of 10 DEG C/min in step (3)
1020℃-1050℃。
6. a kind of preparation method of temperature-stable ceramic medium material, feature according to Claims 2 or 3 or 4 or 5
It is, the binder is polyvinyl alcohol or paraffin.
7. a kind of preparation method of temperature-stable ceramic medium material according to claim 6, which is characterized in that described
Material after the ball milling of step (1) and (3) needed the hole 120-250/cm2Sub-sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405414.5A CN110105065B (en) | 2019-05-13 | 2019-05-13 | Temperature-stable ceramic dielectric material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405414.5A CN110105065B (en) | 2019-05-13 | 2019-05-13 | Temperature-stable ceramic dielectric material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110105065A true CN110105065A (en) | 2019-08-09 |
| CN110105065B CN110105065B (en) | 2021-12-17 |
Family
ID=67490428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910405414.5A Expired - Fee Related CN110105065B (en) | 2019-05-13 | 2019-05-13 | Temperature-stable ceramic dielectric material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110105065B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001220217A (en) * | 2000-02-07 | 2001-08-14 | Tdk Corp | Composite board el element using the same |
| CN1562867A (en) * | 2004-03-16 | 2005-01-12 | 天津大学 | High frequency ceramic dielectric material in thermal stability and preparaton method |
| CN101314545A (en) * | 2008-07-02 | 2008-12-03 | 广东风华高新科技股份有限公司 | Spray coating method for producing dielectric ceramic powder body and obtained products thereof |
| JP2013149922A (en) * | 2012-01-23 | 2013-08-01 | Hitachi Cable Ltd | Piezoelectric element and piezoelectric device |
| US20140042875A1 (en) * | 2012-08-07 | 2014-02-13 | Hitachi Metals, Ltd. | Piezoelectric element, piezoelectric device and method of manufacturing piezoelectric element |
| CN104310998A (en) * | 2014-09-26 | 2015-01-28 | 天津大学 | Preparation method of high-dielectric-constant high-temperature stable ceramic capacitor dielectric |
| CN109437896A (en) * | 2018-11-15 | 2019-03-08 | 太原师范学院 | A kind of positive temperature coefficient X7R ceramic medium material and preparation method thereof |
-
2019
- 2019-05-13 CN CN201910405414.5A patent/CN110105065B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001220217A (en) * | 2000-02-07 | 2001-08-14 | Tdk Corp | Composite board el element using the same |
| CN1562867A (en) * | 2004-03-16 | 2005-01-12 | 天津大学 | High frequency ceramic dielectric material in thermal stability and preparaton method |
| CN101314545A (en) * | 2008-07-02 | 2008-12-03 | 广东风华高新科技股份有限公司 | Spray coating method for producing dielectric ceramic powder body and obtained products thereof |
| JP2013149922A (en) * | 2012-01-23 | 2013-08-01 | Hitachi Cable Ltd | Piezoelectric element and piezoelectric device |
| US20140042875A1 (en) * | 2012-08-07 | 2014-02-13 | Hitachi Metals, Ltd. | Piezoelectric element, piezoelectric device and method of manufacturing piezoelectric element |
| CN104310998A (en) * | 2014-09-26 | 2015-01-28 | 天津大学 | Preparation method of high-dielectric-constant high-temperature stable ceramic capacitor dielectric |
| CN109437896A (en) * | 2018-11-15 | 2019-03-08 | 太原师范学院 | A kind of positive temperature coefficient X7R ceramic medium material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110105065B (en) | 2021-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100946016B1 (en) | Dielectric Ceramic Compositions for Low Temperature Sintering and High HOT-IR, and Multilayer Ceramic Capacitor Using the Same | |
| CN101298385B (en) | Manufacturing methods of dielectric ceramic composition and electronic component | |
| CN101663253B (en) | Ultra low temperature fired X7R and BX dielectric ceramic composition and method of making | |
| KR101274119B1 (en) | Barium titanate powder, process for producing the same, dielectric ceramic, and laminated ceramic capacitor | |
| CN105732025B (en) | A kind of bismuth-sodium titanate base X9R type multi-layer ceramic capacitor material and its device preparation method | |
| CN101549997A (en) | Dielectric ceramic composition and an electronic component | |
| CN102964122A (en) | Dielectric ceramic composite and manufacturing method of electronic element thereof | |
| CN107512906A (en) | A kind of anti-reduction X9R type ceramic capacitor dielectric materials and preparation method thereof | |
| CN101550002A (en) | Dielectric ceramic composition, an electric component and a manufacturing method thereof | |
| CN105399405B (en) | A kind of low dielectric microwave ferroelectric ceramics and preparation method thereof | |
| CN109081693A (en) | A kind of high dielectric X8R ceramic medium material and preparation method thereof | |
| CN110903085B (en) | TiO2Microwave-based ceramic substrate material, preparation method and application | |
| KR102024028B1 (en) | OJ dielectric composition used for nickel electrode | |
| CN101333105A (en) | X7RMLCC medium porcelain of thin medium | |
| CN109133914B (en) | Titanium dioxide-based ceramic material with high thermal stability and preparation method thereof | |
| JP2007214244A (en) | Electrode ink and laminated ceramic capacitor using it | |
| CN110105065A (en) | A kind of temperature-stable ceramic medium material and preparation method thereof | |
| CN110105067A (en) | A kind of high dielectric X7R ceramic medium material and preparation method thereof | |
| CN114823137A (en) | Co-doped barium titanate ceramic dielectric material, preparation method and application thereof | |
| KR100703080B1 (en) | Method for Manufacturing Dielectric Powder for Low Temperature Sintering and Method for Manufacturing Multilayer Ceramic Condenser Using the Same | |
| CN106145932B (en) | A kind of medium material for multilayer ceramic capacitors of high dielectric constant and preparation method thereof | |
| CN100373507C (en) | Multi-layer ceramic capacitor and its preparing method | |
| CN108911722A (en) | A kind of high dielectric stable type ceramic medium material and preparation method thereof | |
| CN113307622A (en) | High-performance reduction-resistant barium titanate-based dielectric ceramic and preparation method thereof | |
| CN111825446B (en) | Dielectric ceramic material for BT-BRT composite ultra-low loss multilayer ceramic dielectric capacitor and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |