CN107417275A - A kind of magnesium zirconium tin niobium series microwave dielectric ceramic - Google Patents

A kind of magnesium zirconium tin niobium series microwave dielectric ceramic Download PDF

Info

Publication number
CN107417275A
CN107417275A CN201710394227.2A CN201710394227A CN107417275A CN 107417275 A CN107417275 A CN 107417275A CN 201710394227 A CN201710394227 A CN 201710394227A CN 107417275 A CN107417275 A CN 107417275A
Authority
CN
China
Prior art keywords
ball
microwave dielectric
dielectric ceramic
powder
magnesium zirconium
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.)
Pending
Application number
CN201710394227.2A
Other languages
Chinese (zh)
Inventor
肖谧
娄捷
顾青青
周子淇
韦艳双
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.)
Tianjin University
Original Assignee
Tianjin University
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 Tianjin University filed Critical Tianjin University
Priority to CN201710394227.2A priority Critical patent/CN107417275A/en
Publication of CN107417275A publication Critical patent/CN107417275A/en
Pending 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
    • C04B35/495—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 vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
    • 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
    • C04B2235/02—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
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, 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
    • C04B2235/02—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
    • C04B2235/3293—Tin oxides, stannates or oxide forming salts thereof, e.g. indium tin oxide [ITO]
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5463—Particle size distributions
    • 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
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602—Making the green bodies or pre-forms by moulding
    • C04B2235/6021—Extrusion moulding
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

The invention discloses a kind of magnesium zirconium tin niobium series microwave dielectric ceramic and preparation method thereof, consisting of MgZr1‑xSnxNb2O8(0.1≤x≤0.3).First by MgO, ZrO2,SnO2、Nb2O5By MgZr1‑ xSnxNb2O8(0.1≤x≤0.3) carries out dispensing, by abrading-ball, drying, sieving, in 1050 DEG C of pre-burnings；Additional 8% percentage by weight paraffin is granulated after secondary ball milling, drying again, and compressing is base substrate, and high-performance magnesium zirconium tin niobium system media ceramic is made in 1,240 1280 DEG C of sintering in base substrate.The present invention successfully obtains Q × f up to 94014.2GHz, dielectric constant 24.9134, and temperature coefficient of resonance frequency is 43.9345ppm/ DEG C of high performance microwave media ceramic.Preparation technology of the present invention is simple, and process is pollution-free, is a kind of microwave dielectric material of up-and-coming millimetre-wave circuit.

Description

A kind of magnesium zirconium tin niobium series microwave dielectric ceramic
Technical field
The invention belongs to a kind of ceramic composition characterized by composition, and more particularly to one kind is with magnesium zirconium niobium series microwave dielectric Based on ceramics, substitute zirconium ion with tin ion, to prepare high quality factor magnesium zirconium tin niobium series microwave dielectric ceramic and its preparation Method.
Background technology
Present mobile communication develops rapidly, promote all kinds of microwave mobile communication terminal devices to miniaturization, lightweight, The direction of multifunction and cost degradation is fast-developing.Microwave-medium ceramics integrate for manufacturing smaller device and improving microwave The packaging density of circuit is highly effective.For making the media ceramic of the devices such as dielectric resonator, wave filter, following bar must be met Part：Higher relative dielectric constant (εr) to realize the miniaturization of device and improve integrated level, compared with low-dielectric loss (dielectric loss Tangent angle tan δ) to improve selecting frequency characteristic, level off to zero temperature coefficient of resonance frequency (τf) to improve temperature stability.
A kind of new monoclinic system wolframite structure ABNb2O8Ceramic systems are due to good microwave dielectric property Cause the extensive concern of people, crystal structure symmetry and space group are P2/c (13).MgZrNb2O8Its ceramic dielectric constant of system About 10, quality factor 58500GHz, temperature coefficient of resonance frequency are -31.5ppm/ DEG C.The present invention uses conventional solid-state method, Prepare dielectric constant, the higher MgZr of quality factor1-xSnxNb2O8Microwave-medium ceramics, its dielectric constant are 24.9134, product Prime factor reaches 94014.2GHz, and temperature coefficient of resonance frequency is -43.9345ppm/ DEG C, and sintering temperature is 1260 DEG C, can be in millimeter Applied in wave circuit.
The content of the invention
The purpose of the present invention, it is further to improve magnesium zirconium niobium (MgZrNb2O8) series microwave dielectric ceramic microwave dielectric property Can, with MgO, ZrO2、SnO2、Nb2O5For primary raw material, a kind of novel magnesium zirconium tin with superior microwave dielectric property is prepared Niobium series microwave dielectric ceramic：MgZr1-xSnxNb2O8Microwave-medium ceramics, wherein 0.1≤x≤0.3.
The present invention is achieved by following technical solution, has steps of：
(1) by MgO, ZrO2、SnO2、Nb2O5Raw material, by chemical formula MgZr1-xSnxNb2O8, wherein 0.1≤x≤0.3 is carried out Dispensing, powder is put into ball grinder, adds zirconia ball, ball milling 10 hours on ball mill；
(2) raw material after step (1) ball milling is placed under 110 DEG C of temperature conditionss and dried, after sample material drying, cross 40 Mesh sieve, obtain evengranular powder；
(3) by the powder that step (2) is well mixed in 1050 DEG C of pre-burnings 3 hours；
(4) ceramic powder after step (3) pre-burning is put into ball grinder, deionized water and zirconia ball is added, in ball Ball milling 10 hours on grinding machine；The paraffin of additional 8% percentage by weight is granulated in ceramic powder after drying, crosses 60 mesh sieves, Compressing with powder compressing machine again is base substrate；
(5) it will be sintered in the base substrate of step (4) in 1240 DEG C -1280 DEG C, and be incubated 4 hours, high-performance magnesium zirconium tin niobium is made Series microwave dielectric ceramic.
MgO, ZrO of the step (1)2、SnO2、Nb2O5The quality purity of raw material is more than 99.9%.
The step (1), the raw material of step (4) ball-milling technology, the mass ratio of deionized water and abrading-ball are 2:16:15.
The step (1), the ball mill of step (4) are planetary ball mill.
The x=0.15 of the step (1).
The pressure of the powder compressing machine of the step (4) is 6Mpa.
The blank diameter of the step (4) is 10mm, thickness 5mm.
The sintering temperature of the step (5) is 1260 DEG C, soaking time 4 hours.
The present invention is with MgZrNb2O8Based on microwave-medium ceramics, taking for certain content is carried out with Sn ion pair Zr ions In generation, successfully obtain the higher microwave-medium ceramics of microwave dielectric property:Quality factor reach 94014.2GHz, dielectric constant For 24.9134, temperature coefficient of resonance frequency is -43.9345ppm/ DEG C.The preparation technology of the present invention is simple, and process is pollution-free, micro- Ripple dielectric properties are excellent, are a kind of up-and-coming millimetre-wave circuit microwave dielectric materials.
Embodiment
The present invention is more than 99.9% chemical raw material MgO, ZrO using purity2、SnO2、Nb2O5, prepare MgZr1- xSnxNb2O8(0.1≤x≤0.3) microwave-medium ceramics.Specific embodiment is as follows.
Embodiment 1
1. according to microwave-medium ceramics component MgZr1-xSnxNb2O8(x=0.1) MgO-1.8658g, ZrO, are claimed2- 5.1330g、SnO2-0.6975g、Nb2O5- 12.3037g dispensings, common 20g；Mixed powder is added in ball grinder, is added 160ml and is gone After ionized water and 150g zirconium balls, ball milling 10 hours on planetary ball mill, drum's speed of rotation is 1000 revs/min；
Dried 2. the raw material after ball milling is placed under 110 DEG C of temperature conditionss, cross 40 mesh sieves, obtain evengranular powder；
3. evengranular powder is calcined 3 hours in 1050 DEG C；
4. the powder after calcining is put into ball grinder, deionized water and zirconia ball are added, secondary ball milling 10 hours, is gone out Dried after material under 110 DEG C of temperature conditionss, the paraffin for then adding 8% percentage by weight is granulated, and crosses 60 mesh sieves；Use again Powder compressing machine is pressed into a diameter of 10mm with 6Mpa pressure, and thickness is 5mm base substrate；
5. base substrate is incubated 4 hours, high-performance magnesium zirconium tin niobium series microwave dielectric ceramic is made in 1260 DEG C of sintering；
Finally, the sample microwave property as obtained by Network Analyzer and the test of dependence test fixture.
Embodiment 2
1. according to microwave-medium ceramics component MgZr1-xSnxNb2O8(x=0.15) MgO-1.8599g, ZrO, are claimed2- 4.8325g、SnO2-1.0430g、Nb2O5- 12.2647g dispensings, common 20g；Mixed powder is added in ball grinder, is added 160ml and is gone After ionized water and 150g zirconium balls, ball milling 10 hours on planetary ball mill, drum's speed of rotation is 1000 revs/min；
Dried 2. the raw material after ball milling is placed under 110 DEG C of temperature conditionss, cross 40 mesh sieves, obtain evengranular powder；
3. evengranular powder is calcined 3 hours in 1050 DEG C；
4. the powder after calcining is put into ball grinder, deionized water and zirconia ball are added, secondary ball milling 10 hours, is gone out Dried after material under 110 DEG C of temperature conditionss, the paraffin for then adding 8% percentage by weight is granulated, and crosses 60 mesh sieves；Use again Powder compressing machine is pressed into a diameter of 10mm with 6Mpa pressure, and thickness is 5mm base substrate；
5. base substrate is incubated 4 hours, high-performance magnesium zirconium tin niobium series microwave dielectric ceramic is made in 1260 DEG C of sintering；
Finally, the sample microwave property as obtained by Network Analyzer and the test of dependence test fixture.
Embodiment 3
1. according to microwave-medium ceramics component MgZr1-xSnxNb2O8(x=0.2) MgO-1.8540g, ZrO, are claimed2- 4.5338g、SnO2-1.3862g、Nb2O5- 12.2259g dispensings, common 20g；Mixed powder is added in ball grinder, is added 160ml and is gone After ionized water and 150g zirconium balls, ball milling 10 hours on planetary ball mill, drum's speed of rotation is 1000 revs/min；2
Dried 2. the raw material after ball milling is placed under 110 DEG C of temperature conditionss, cross 40 mesh sieves, obtain evengranular powder；
3. evengranular powder is calcined 3 hours in 1050 DEG C；
4. the powder after calcining is put into ball grinder, deionized water and zirconia ball are added, secondary ball milling 10 hours, is gone out Dried after material under 110 DEG C of temperature conditionss, the paraffin for then adding 8% percentage by weight is granulated, and crosses 60 mesh sieves；Use again Powder compressing machine is pressed into a diameter of 10mm with 6Mpa pressure, and thickness is 5mm base substrate；
5. base substrate is incubated 4 hours, high-performance magnesium zirconium tin niobium series microwave dielectric ceramic is made in 1260 DEG C of sintering；
Finally, the sample microwave property as obtained by Network Analyzer and the test of dependence test fixture.
Embodiment 4
1. according to microwave-medium ceramics component MgZr1-xSnxNb2O8(x=0.25) MgO-1.8482g, ZrO, are claimed2- 4.2371g、SnO2-1.7273g、Nb2O5- 12.1874g dispensings, common 20g；Mixed powder is added in ball grinder, is added 160ml and is gone After ionized water and 150g zirconium balls, ball milling 10 hours on planetary ball mill, drum's speed of rotation is 1000 revs/min；
Dried 2. the raw material after ball milling is placed under 110 DEG C of temperature conditionss, cross 40 mesh sieves, obtain evengranular powder；
3. evengranular powder is calcined 3 hours in 1050 DEG C；
4. the powder after calcining is put into ball grinder, deionized water and zirconia ball are added, secondary ball milling 10 hours, is gone out Dried after material under 110 DEG C of temperature conditionss, the paraffin for then adding 8% percentage by weight is granulated, and crosses 60 mesh sieves；Use again Powder compressing machine is pressed into a diameter of 10mm with 6Mpa pressure, and thickness is 5mm base substrate；
5. base substrate is incubated 4 hours, high-performance magnesium zirconium tin niobium series microwave dielectric ceramic is made in 1260 DEG C of sintering；
Finally, the sample microwave property as obtained by Network Analyzer and the test of dependence test fixture.
Embodiment 5
1. according to microwave-medium ceramics component MgZr1-xSnxNb2O8(x=0.3) MgO-1.8423g, ZrO, are claimed2- 3.9422g、SnO2-2.0663g、Nb2O5- 12.1492g dispensings, common 20g；Mixed powder is added in ball grinder, is added 160ml and is gone After ionized water and 150g zirconium balls, ball milling 10 hours on planetary ball mill, drum's speed of rotation is 1000 revs/min；
Dried 2. the raw material after ball milling is placed under 110 DEG C of temperature conditionss, cross 40 mesh sieves, obtain evengranular powder；
3. evengranular powder is calcined 3 hours in 1050 DEG C；
4. the powder after calcining is put into ball grinder, deionized water and zirconia ball are added, secondary ball milling 10 hours, is gone out Dried after material under 110 DEG C of temperature conditionss, the paraffin for then adding 8% percentage by weight is granulated, and crosses 60 mesh sieves；Use again Powder compressing machine is pressed into a diameter of 10mm with 6Mpa pressure, and thickness is 5mm base substrate；
5. base substrate is incubated 4 hours, high-performance magnesium zirconium tin niobium series microwave dielectric ceramic is made in 1260 DEG C of sintering；
Finally, the sample microwave property as obtained by Network Analyzer and the test of dependence test fixture.
Embodiment 6
1. according to microwave-medium ceramics component MgZr1-xSnxNb2O8(x=0.15) MgO-1.8599g, ZrO, are claimed2- 4.8325g、SnO2-1.0430g、Nb2O5- 12.2647g dispensings, common 20g；Mixed powder is added in ball grinder, is added 160ml and is gone After ionized water and 150g zirconium balls, ball milling 10 hours on planetary ball mill, drum's speed of rotation is 1000 revs/min；
Dried 2. the raw material after ball milling is placed under 110 DEG C of temperature conditionss, cross 40 mesh sieves, obtain evengranular powder；
3. evengranular powder is calcined 3 hours in 1050 DEG C；
4. the powder after calcining is put into ball grinder, deionized water and zirconia ball are added, secondary ball milling 10 hours, is gone out Dried after material under 110 DEG C of temperature conditionss, the paraffin for then adding 8% percentage by weight is granulated, and crosses 60 mesh sieves；Use again Powder compressing machine is pressed into a diameter of 10mm with 6Mpa pressure, and thickness is 5mm base substrate；
5. base substrate is incubated 4 hours, high-performance magnesium zirconium tin niobium series microwave dielectric ceramic is made in 1240 DEG C of sintering；
Finally, the sample microwave property as obtained by Network Analyzer and the test of dependence test fixture.
Embodiment 7
1. according to microwave-medium ceramics component MgZr1-xSnxNb2O8(x=0.15) MgO-1.8599g, ZrO, are claimed2- 4.8325g、SnO2-1.0430g、Nb2O5- 12.2647g dispensings, common 20g；Mixed powder is added in ball grinder, is added 160ml and is gone After ionized water and 150g zirconium balls, ball milling 10 hours on planetary ball mill, drum's speed of rotation is 1000 revs/min；
Dried 2. the raw material after ball milling is placed under 110 DEG C of temperature conditionss, cross 40 mesh sieves, obtain evengranular powder；
3. evengranular powder is calcined 3 hours in 1050 DEG C；
4. the powder after calcining is put into ball grinder, deionized water and zirconia ball are added, secondary ball milling 10 hours, is gone out Dried after material under 110 DEG C of temperature conditionss, the paraffin for then adding 8% percentage by weight is granulated, and crosses 60 mesh sieves；Use again Powder compressing machine is pressed into a diameter of 10mm with 6Mpa pressure, and thickness is 5mm base substrate；
5. base substrate is incubated 4 hours, high-performance magnesium zirconium tin niobium series microwave dielectric ceramic is made in 1280 DEG C of sintering；
Finally, the sample microwave property as obtained by Network Analyzer and the test of dependence test fixture.
The detection method of the specific embodiment of the invention is as follows:
1. by Agilent 8720ES Network Analyzers, using starting to rob cylindrical ceramic prepared by parallel plate method measurement The dielectric constant of material, test fixture is put into ESPEC MC-710F types high/low temperature circulation incubator and carries out resonant frequency temperature system Several measurements, temperature range are 25-85 DEG C of test frequency in the range of 6-15GHz.
2. using the quality factor of cylindrical ceramic sample prepared by the measurement of enclosed cell method.
The every key parameter and dielectric properties testing result of the specific embodiment of the invention refer to table 1.
Table 1

Claims (8)

  1. A kind of 1. magnesium zirconium tin niobium series microwave dielectric ceramic, consisting of MgZr1-xSnxNb2O8, wherein 0.1≤x≤0.3.
    The preparation method of above-mentioned magnesium zirconium tin niobium system microwave ceramics, has steps of：
    (1) by MgO, ZrO2,、SnO2、Nb2O5Raw material, by chemical formula MgZr1-xSnxNb2O8, wherein 0.1≤x≤0.3 is matched somebody with somebody Material, powder is put into ball grinder, adds deionized water and zirconia ball, ball milling 10 hours on ball mill；
    (2) raw material after step (1) ball milling is placed in 110 DEG C of temperature drying boxes and dried, after raw material drying, cross 40 mesh sieves, Obtain evengranular powder；
    (3) it is placed in after the powder that step (2) is well mixed being fitted into crucible in high temperature furnace, in 1050 DEG C of pre-burnings 3 hours；
    (4) ceramic powder after step (3) pre-burning is put into ball grinder, deionized water and zirconia ball is added, in ball mill Upper secondary ball milling 10 hours, and dried in 110 DEG C of temperature drying boxes；After drying in ceramic powder additional 8% weight percent The paraffin of ratio is granulated, and crosses 60 mesh sieves, then compressing with powder compressing machine is base substrate；
    (5) base substrate of step (4) is incubated 4 hours, magnesium zirconium tin niobium series microwave dielectric ceramic is made in 1240-1280 DEG C of sintering.
  2. A kind of 2. magnesium zirconium tin niobium series microwave dielectric ceramic according to claim 1, it is characterised in that the MgO of the step (1), ZrO2,、SnO2、Nb2O5The quality purity of raw material is more than 99.9%.
  3. 3. a kind of magnesium zirconium tin niobium series microwave dielectric ceramic according to claim 1, it is characterised in that the step (1), step (4) mass ratio of the raw material of ball-milling technology, deionized water and abrading-ball is 2:16:15.
  4. 4. a kind of magnesium zirconium tin niobium series microwave dielectric ceramic according to claim 1, it is characterised in that the step (1), step (4) ball mill is planetary ball mill.
  5. A kind of 5. magnesium zirconium tin niobium series microwave dielectric ceramic according to claim 1, it is characterised in that the x=of the step (1) 0.15。
  6. A kind of 6. magnesium zirconium tin niobium series microwave dielectric ceramic according to claim 1, it is characterised in that the powder of the step (4) The pressure of tablet press machine is 6Mpa.
  7. A kind of 7. magnesium zirconium tin niobium series microwave dielectric ceramic according to claim 1, it is characterised in that the base substrate of the step (4) A diameter of 10mm, thickness 5mm.
  8. A kind of 8. magnesium zirconium tin niobium series microwave dielectric ceramic according to claim 1, it is characterised in that the sintering of the step (5) Temperature is 1260 DEG C, soaking time 4 hours.
CN201710394227.2A 2017-05-28 2017-05-28 A kind of magnesium zirconium tin niobium series microwave dielectric ceramic Pending CN107417275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710394227.2A CN107417275A (en) 2017-05-28 2017-05-28 A kind of magnesium zirconium tin niobium series microwave dielectric ceramic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710394227.2A CN107417275A (en) 2017-05-28 2017-05-28 A kind of magnesium zirconium tin niobium series microwave dielectric ceramic

Publications (1)

Publication Number Publication Date
CN107417275A true CN107417275A (en) 2017-12-01

Family

ID=60429195

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710394227.2A Pending CN107417275A (en) 2017-05-28 2017-05-28 A kind of magnesium zirconium tin niobium series microwave dielectric ceramic

Country Status (1)

Country Link
CN (1) CN107417275A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108516826A (en) * 2018-05-18 2018-09-11 西华大学 A kind of intermediary containing Sn microwave dielectric ceramic materials and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101318815A (en) * 2008-05-30 2008-12-10 西安交通大学 Bismuth-based molybdenum-based microwave dielectric ceramic material sintered at ultra low temperature and manufacture of the same
CN102603296A (en) * 2012-03-21 2012-07-25 天津大学 Neodymium niobic acid microwave dielectric ceramic with high quality factor and method for preparing neodymium niobic acid microwave dielectric ceramic
CN104844193A (en) * 2015-04-08 2015-08-19 天津大学 Lithium-magnesium-titanium-based microwave dielectric ceramic with high Q value and low temperature sintering realization method thereof
CN105036741A (en) * 2015-07-21 2015-11-11 天津大学 Microwave dielectric ceramic material high in quality factor and preparation method thereof
CN105272245A (en) * 2015-10-30 2016-01-27 天津大学 Low-loss zinc zirconium and niobium series microwave dielectric ceramic prepared by reaction sintering method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101318815A (en) * 2008-05-30 2008-12-10 西安交通大学 Bismuth-based molybdenum-based microwave dielectric ceramic material sintered at ultra low temperature and manufacture of the same
CN102603296A (en) * 2012-03-21 2012-07-25 天津大学 Neodymium niobic acid microwave dielectric ceramic with high quality factor and method for preparing neodymium niobic acid microwave dielectric ceramic
CN104844193A (en) * 2015-04-08 2015-08-19 天津大学 Lithium-magnesium-titanium-based microwave dielectric ceramic with high Q value and low temperature sintering realization method thereof
CN105036741A (en) * 2015-07-21 2015-11-11 天津大学 Microwave dielectric ceramic material high in quality factor and preparation method thereof
CN105272245A (en) * 2015-10-30 2016-01-27 天津大学 Low-loss zinc zirconium and niobium series microwave dielectric ceramic prepared by reaction sintering method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LI LINGXIA ET AL.: ""Microstructure and microwave dielectric characteristics of ZnZrNb2O8 and (Zn0.95M0.05)ZrNb2O8 (M = Ni, Mg, Co and Mn) ceramics"", 《JOURNAL OF ALLOYS AND COMPOUNDS》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108516826A (en) * 2018-05-18 2018-09-11 西华大学 A kind of intermediary containing Sn microwave dielectric ceramic materials and preparation method thereof
CN108516826B (en) * 2018-05-18 2020-03-17 西华大学 Sn-containing intermediate microwave dielectric ceramic material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN110282968A (en) A kind of microwave dielectric ceramic materials and preparation method thereof
CN106116574A (en) A kind of preparation method of low temperature sintering lithium magnesium niobium series microwave dielectric ceramic
CN104844193A (en) Lithium-magnesium-titanium-based microwave dielectric ceramic with high Q value and low temperature sintering realization method thereof
CN111943671B (en) Wide-sintering temperature zone low-loss microwave dielectric ceramic and preparation method thereof
CN103073281A (en) Lithium-zinc-titanium-tin series microwave dielectric ceramics material and preparation method thereof
CN105254299A (en) Low-temperature sintered magnesium lithium niobate system microwave dielectric ceramic
CN107879739A (en) A kind of magnesium cobalt zirconium niobium series microwave dielectric ceramic and preparation method thereof
CN102850048B (en) Niobium magnesium bismuth titanate ceramic material and preparation method thereof
CN107188563A (en) A kind of magnesium zirconium niobium tantalum series microwave dielectric ceramic with high quality factor
CN107382317A (en) A kind of magnesium nickel zirconium niobium series microwave dielectric ceramic
CN105272213B (en) Low damage microwave dielectric ceramic materials of height Jie and preparation method thereof
CN107382313B (en) Microwave dielectric ceramic with ultrahigh quality factor, medium-low dielectric constant and near-zero temperature coefficient and preparation method thereof
CN105859289A (en) Low-temperature sintering low-loss magnesium-lithium-niobate-series microwave dielectric ceramic
CN106478083A (en) A kind of low sintering preparation method of strontium silicate copper system microwave-medium ceramics
CN109251028A (en) A kind of low high Q lithium magnesium niobium series microwave dielectric ceramic and preparation method thereof that is situated between
CN105060888B (en) A kind of stable niobic acid neodymium ceramics of alumina doped preparation low-loss
CN112851347A (en) Low-temperature sintered low-loss oxyfluoride microwave dielectric ceramic and preparation method thereof
CN102093053A (en) New microwave medium ceramic material prepared through middle-temperature sintering
Qi et al. Effects of Bi2O3–ZnO–B2O3–SiO2 glass addition on the sintering and microwave dielectric properties of ZnZrNb2O8 ceramics for LTCC applications
CN104710175B (en) A kind of low-k magnesium zirconate lithium microwave dielectric ceramic materials and preparation method thereof
CN104710176B (en) Sintered at ultra low temperature temperature-stable vanadio microwave dielectric ceramic materials and preparation method thereof
CN107417275A (en) A kind of magnesium zirconium tin niobium series microwave dielectric ceramic
CN104788100B (en) A kind of antimony ion replaces niobium ion to prepare the niobic acid neodymium pottery of high quality factor
CN103435349A (en) Method for preparing high-quality-factor neodymium niobate dielectric ceramic by means of manganese ion substitution
CN109354495A (en) Magnesium zirconium niobium antimony series microwave dielectric ceramic and preparation method and application

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171201

WD01 Invention patent application deemed withdrawn after publication