CN107867840A - ZnO/SiO2The preparation method of microwave-medium ceramics - Google Patents

ZnO/SiO2The preparation method of microwave-medium ceramics Download PDF

Info

Publication number
CN107867840A
CN107867840A CN201610842034.4A CN201610842034A CN107867840A CN 107867840 A CN107867840 A CN 107867840A CN 201610842034 A CN201610842034 A CN 201610842034A CN 107867840 A CN107867840 A CN 107867840A
Authority
CN
China
Prior art keywords
zno
microwave
sio
medium ceramics
preparation
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.)
Withdrawn
Application number
CN201610842034.4A
Other languages
Chinese (zh)
Inventor
施海月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610842034.4A priority Critical patent/CN107867840A/en
Publication of CN107867840A publication Critical patent/CN107867840A/en
Withdrawn legal-status Critical Current

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
    • C04B35/453—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 zinc, tin, or bismuth oxides or solid solutions thereof with other oxides, e.g. zincates, stannates or bismuthates
    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63416—Polyvinylalcohols [PVA]; Polyvinylacetates
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • 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
    • C04B2235/6565—Cooling 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

This application discloses a kind of ZnO/SiO2The preparation method of microwave-medium ceramics, using Solid phase synthesis ZnO/SiO2Microwave-medium ceramics, wherein ZnO and SiO2According to mol ratio 5:3 meterings；Sintering rises to 1300~1400 DEG C according to 3~5 DEG C/min speed and is incubated 2 hours.Its performance parameter of material of the present invention is as follows：Dielectric constant=6.2, quality factor=54200GHz, temperature coefficient=39.5ppm/ DEG C.

Description

ZnO/SiO2The preparation method of microwave-medium ceramics
Technical field
The application belongs to communication technique field, more particularly to a kind of ZnO/SiO2The preparation method of microwave-medium ceramics.
Background technology
In recent years, in order to adapt to electronic component high frequency growth requirement, the ceramic material of low Jie's high frequency increasingly becomes The focus of research.ZnO/SiO2Low-k ceramic system is a kind of new microwave-medium ceramics system, the ceramic systems With less dielectric constant and excellent microwave property, but sintering temperature is higher.
The content of the invention
It is an object of the invention to provide a kind of ZnO/SiO2The preparation method of microwave-medium ceramics, to overcome prior art In deficiency.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application discloses a kind of ZnO/SiO2The preparation method of microwave-medium ceramics, using Solid phase synthesis ZnO/ SiO2Microwave-medium ceramics, wherein ZnO and SiO2According to mol ratio 5:3 meterings；Sintering rises to 1300 according to 3~5 DEG C/min speed ~1400 DEG C are incubated 2 hours.
Preferably, in above-mentioned ZnO/SiO2In the preparation method of microwave-medium ceramics, Solid phase synthesis walks including pre-burning Suddenly, 1100 DEG C of calcined temperature, burn-in time 4 hours.
Preferably, in above-mentioned ZnO/SiO2In the preparation method of microwave-medium ceramics, Solid phase synthesis, which includes being granulated, to be walked Suddenly：8wt% polyvinyl alcohol is added in ceramic powder, is fully ground rear re-sieving.
Preferably, in above-mentioned ZnO/SiO2In the preparation method of microwave-medium ceramics, Solid phase synthesis include dry-pressing into Type, Stress control is in 180MPa.
Preferably, in above-mentioned ZnO/SiO2In the preparation method of microwave-medium ceramics, room temperature is cooled to after the completion of sintering, Including dropping to 1000 DEG C first with 1 DEG C/min speed, then 800 DEG C are dropped to 100 DEG C/h of speed, then natural cooling To normal temperature.
Preferably, in above-mentioned ZnO/SiO2In the preparation method of microwave-medium ceramics, sintering temperature is 1350 DEG C.
Compared with prior art, the advantage of the invention is that：Its performance parameter of material of the present invention is as follows：Dielectric constant= 6.2, quality factor=54200GHz, temperature coefficient=- 39.5ppm/ DEG C.
Embodiment
The present invention is described further by the following example：According to following embodiments, the present invention may be better understood. However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described by embodiment are only used In the explanation present invention, without should be also without limitation on the present invention described in detail in claims.
In the present embodiment, ZnO/SiO2The preparation method of microwave-medium ceramics, including：
(1), ZnO and SiO2According to mol ratio 5:3 meterings；
(2) a, ball milling：The original powder weighed up by formula is put into nylon ball grinder, ball is used as using absolute ethyl alcohol Grinding media, zirconium oxide are abrading-ball, utilize frequency conversion type planetary ball mill ball milling, rotational speed of ball-mill 365rpm, according to raw material：Abrading-ball：Nothing Water-ethanol=1:3:2 ratio ball millings 15 hours；
(3), dry, sieve：Ball milling disposed slurry is dried in drying box, 80 DEG C of drying temperature, drying time 20min, the sieve of 100 mesh is used after the completion of drying；
(4), pre-burning：In 1100 DEG C of pre-burnings 4 hours in alumina crucible；
(5), secondary ball milling：The material of pre-burning is put into nylon ball grinder, using absolute ethyl alcohol as ball-milling medium, zirconium oxide For abrading-ball, frequency conversion type planetary ball mill ball milling, rotational speed of ball-mill 365rpm, according to raw material are utilized：Abrading-ball：Absolute ethyl alcohol=1:3:2 Ratio ball milling 15 hours；
(6), dry, sieve：Secondary ball milling disposed slurry is dried in drying box, 100 DEG C of drying temperature, when drying Between 20min, dry after the completion of use 40 mesh sieve, obtain ceramic powder；
(7) it is granulated：8wt% polyvinyl alcohol is added in ceramic powder, is fully ground rear re-sieving；
(8) it is, dry-pressing formed：The ceramic powder being granulated is pressed under 180MPa pressure cylindrical ceramic green compact or Disk；
(9), sinter：In 500 DEG C of dumpings 1 hour, then rise to 1350 DEG C according to 5 DEG C/min speed and be incubated 2 hours；
(10), it is cooled to room temperature：1000 DEG C are dropped to 1 DEG C/min speed first, then is dropped with 100 DEG C/h of speed To 800 DEG C, normal temperature is then naturally cooled to.
The ceramic powder sintered is tested, test event includes dielectric constant, quality factor and temperature coefficient, institute It is HP8703A with INSTRUMENT MODEL, tests the silver coated aluminum chamber that cavity is 30 × t28mm of Φ, its performance parameter is as follows：Dielectric constant= 6.2, quality factor=54200GHz, temperature coefficient=- 39.5ppm/ DEG C.
Finally, it is to be noted that, term " comprising ", "comprising" or its any other variant be intended to it is non-exclusive Property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and Also include the other element that is not expressly set out, or also include for this process, method, article or equipment inherently Key element.

Claims (6)

  1. A kind of 1. ZnO/SiO2The preparation method of microwave-medium ceramics, it is characterised in that using Solid phase synthesis ZnO/SiO2Microwave Media ceramic, wherein ZnO and SiO2According to mol ratio 5:3 meterings；Sintering rises to 1300~1400 according to 3~5 DEG C/min speed DEG C insulation 2 hours.
  2. 2. ZnO/SiO according to claim 12The preparation method of microwave-medium ceramics, it is characterised in that：Solid phase synthesis Including burn in step, 1100 DEG C of calcined temperature, burn-in time 4 hours.
  3. 3. ZnO/SiO according to claim 12The preparation method of microwave-medium ceramics, it is characterised in that：Solid phase synthesis Including granulation step：8wt% polyvinyl alcohol is added in ceramic powder, is fully ground rear re-sieving.
  4. 4. ZnO/SiO according to claim 12The preparation method of microwave-medium ceramics, it is characterised in that：Solid phase synthesis Including dry-pressing formed, Stress control is in 180MPa.
  5. 5. ZnO/SiO according to claim 12The preparation method of microwave-medium ceramics, it is characterised in that：After the completion of sintering Room temperature is cooled to, including drops to 1000 DEG C first with 1 DEG C/min speed, then 800 DEG C are dropped to 100 DEG C/h of speed, so After naturally cool to normal temperature.
  6. 6. ZnO/SiO according to claim 12The preparation method of microwave-medium ceramics, it is characterised in that：Sintering temperature is 1350℃。
CN201610842034.4A 2016-09-22 2016-09-22 ZnO/SiO2The preparation method of microwave-medium ceramics Withdrawn CN107867840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610842034.4A CN107867840A (en) 2016-09-22 2016-09-22 ZnO/SiO2The preparation method of microwave-medium ceramics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610842034.4A CN107867840A (en) 2016-09-22 2016-09-22 ZnO/SiO2The preparation method of microwave-medium ceramics

Publications (1)

Publication Number Publication Date
CN107867840A true CN107867840A (en) 2018-04-03

Family

ID=61751028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610842034.4A Withdrawn CN107867840A (en) 2016-09-22 2016-09-22 ZnO/SiO2The preparation method of microwave-medium ceramics

Country Status (1)

Country Link
CN (1) CN107867840A (en)

Similar Documents

Publication Publication Date Title
CN104177083B (en) X8R type MLCC medium material with bias voltage characteristic and stable temperature for medium temperature sintering
CN110272275B (en) Zinc oxide resistance card and preparation method thereof
CN107867836A (en) A kind of Mg2SiO4The preparation method of microwave-medium ceramics
CN103613369A (en) Silicate low-temperature co-fired ceramic substrate material and preparation method thereof
CN102850048B (en) Niobium magnesium bismuth titanate ceramic material and preparation method thereof
CN109180181A (en) A kind of unleaded relaxation antiferroelectric ceramics energy storage material and preparation method thereof
CN104860672A (en) High dielectric microwave ceramic dielectric material and preparation method thereof
CN108249914B (en) Garnet-structured aluminate microwave dielectric ceramic and preparation method thereof
CN111004030B (en) MgTiO (magnesium-titanium-oxide) powder3Microwave-based dielectric ceramic and preparation method thereof
CN106064942A (en) high-Curie-temperature lead-free SNKBT piezoelectric ceramic and preparation method thereof
CN107814569A (en) A kind of lead-free anti-ferroelectric body ceramics and preparation method thereof
CN107285760B (en) Preparation method of low-loss giant dielectric constant ceramic material
CN107867843A (en) Li2CO3And Bi2O3Composite mixed ZnO/SiO2The preparation method of microwave-medium ceramics
CN107867845A (en) A kind of preparation method of microwave-medium ceramics
CN107903055A (en) A kind of grade doping bismuth-sodium titanate Quito layer leadless piezoelectric ceramics
CN109293247B (en) High-conductivity glass powder and preparation method thereof, barium titanate-based glass ceramic based on high-conductivity glass powder and preparation method thereof
CN107867840A (en) ZnO/SiO2The preparation method of microwave-medium ceramics
CN107867848A (en) BaTi4O9/BaZn2Ti4O11Multi-phase microwave dielectric ceramic and preparation method thereof
CN107867839A (en) A kind of Mg adulterates ZnO/SiO2The preparation method of microwave-medium ceramics
CN110698199A (en) Low-loss microwave dielectric ceramic prepared by adopting step-by-step pre-firing method
CN109320234A (en) A kind of preparation method and its media ceramic of X9R type ceramic capacitor dielectric ceramics
CN107867859A (en) Li0.8Mg4.1V3O12The preparation method of microwave-medium ceramics
CN107867838A (en) MgO and TiO2Adulterate ZnO/SiO2The preparation method of microwave-medium ceramics
CN111087234B (en) Application of ceramic with excellent temperature sensitive characteristic in resonator temperature sensor
CN107867837A (en) A kind of Al2O3Adulterate ZnO/SiO2The preparation method of microwave-medium ceramics

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20180403

WW01 Invention patent application withdrawn after publication