CN106554200A - Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder - Google Patents
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder Download PDFInfo
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- CN106554200A CN106554200A CN201510620465.1A CN201510620465A CN106554200A CN 106554200 A CN106554200 A CN 106554200A CN 201510620465 A CN201510620465 A CN 201510620465A CN 106554200 A CN106554200 A CN 106554200A
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Abstract
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, MgO 1-5 parts, Al2O32-4 parts, CaO 1-3 parts, AgNO3 0.1-2 parts, Al2(CO3)30.5-2 parts, MnCO31-2 parts, H3BO31-2 parts, Al (NO3)3 2-5 parts, balance of nano-ZnO.Preferably, the resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 1.4-4.7 parts, Al2O32.4-3.5 parts, CaO 1.3-2.8 parts, AgNO3 0.4-1.7 parts, Al2(CO3)30.7-1.7 parts, MnCO31.2-1.8 part, H3BO31.1-1.7 part, Al (NO3)32.2-4.5 parts, balance of nano-ZnO.Piezoresistor leading indicator parameter of the present invention is excellent, and its maximum controlling voltage, residual voltage ratio, discharge capacity, leakage current, voltage temperature coefficient, current temperature coefficient, voltage nonlinearity, insulation resistance, direct capacitance etc. take advantage in like product.
Description
Technical field
The present invention relates to a kind of sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, belongs to resistance material technical field.
Background technology
ZnO varistors are other mental compound additives for adding lot of trace based on ZnO powders（Such as Bi2O3, Sb2O3, MnCO3, Co2O3, Cr2O3
Deng）, the polycrystalline multiphase semiconductor ceramic element for being sintered after blended, molding at high temperature.Since its invention, ZnO varistors just so that its cheap, easily manufactured, nonlinear factor is big, the premium properties such as response time is fast, discharge capacity is big, are widely used in power system and electronics industry.
The general sintering temperature of zinc oxide piezoresistor ceramic is 1100～1500 DEG C, and type piezoresistor is due to adding interior electrode inside porcelain body, therefore limits its sintering temperature., for platinum, palladium, silver palladium alloy or fine silver, wherein palladium and platinum is extremely expensive, and doing interior electrode using both metals will cause varistor cost to greatly improve, and be not suitable for commercial production, and fine silver sintering temperature is low for the general interior electrode metal for adopting（Less than 950 DEG C）It is unfavorable for the sintering of zinc oxide ceramics, therefore interior electrode is done using silver palladium alloy all in type piezoresistor industry now, and by improving zinc oxide pressure-sensitive ceramic formula and technique reducing its sintering temperature, the sintering temperature of existing zinc oxide piezoresistive material can be reduced to 1020 ~ 1100 DEG C, enable type piezoresistor to adopt silver-colored palladium mass ratio interior electrode to be done for 6/4 or 7/3 alloy, but cost is still higher.
The content of the invention
It is an object of the invention to provide a kind of sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, zinc oxide varistor formula of the present invention and reasonable mixture ratio, production method is simple, workable.Piezoresistor leading indicator parameter of the present invention is excellent, and its maximum controlling voltage, residual voltage ratio, discharge capacity, leakage current, voltage temperature coefficient, current temperature coefficient, voltage nonlinearity, insulation resistance, direct capacitance etc. take advantage in like product.
The purpose of the present invention is achieved through the following technical solutions, sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, MgO 1-5 parts, Al2O32-4 parts, CaO 1-3 parts, AgNO3 0.1-2 parts, Al2(CO3)3
0.5-2 parts, MnCO31-2 parts, H3BO3
1-2 parts, Al (NO3)3 2-5 parts, balance of nano-ZnO.
Preferably, the resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 1.4-4.7 parts, Al2O32.4-3.5 parts, CaO 1.3-2.8 parts, AgNO3 0.4-1.7 parts, Al2(CO3)3
0.7-1.7 parts, MnCO31.2-1.8 part, H3BO31.1-1.7 part, Al (NO3)32.2-4.5 parts, balance of nano-ZnO.
Preferably, resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 1.9-3.5 parts, Al2O32.8-3.1 parts, CaO 1.5-2.5 parts, AgNO3 0.7-1.4 parts, Al2(CO3)3
1.2-1.5 part, MnCO31.4-1.7 part, H3BO31.3-1.5 part, Al (NO3)32.5-4.1 parts, balance of nano-ZnO.
Preferably, the resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 2.4-3.1 parts, Al2O32.9-3.0 parts, CaO 1.7-2.3 parts, AgNO3 0.8-1.2 parts, Al2(CO3)3
1.3-1.4 part, MnCO31.5-1.6 part, H3BO31.4-1.5 part, Al (NO3)32.8-3.4 parts, balance of nano-ZnO.
Preferably, the resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 2.7-2.9 parts, Al2O32.9-3.0 parts, CaO 1.9-2.1 parts, AgNO31.0-1.1 part, Al2(CO3)3
1.3-1.4 part, MnCO31.5-1.6 part, H3BO31.4-1.5 part, Al (NO3)33.0-3.2 parts, balance of nano-ZnO.
Preferably, the particle diameter of the nano-ZnO is 60-80nm.
Compared with prior art, the invention has the advantages that：Zinc oxide varistor formula of the present invention and reasonable mixture ratio, production method are simple, workable.Piezoresistor leading indicator parameter of the present invention is excellent, and its maximum controlling voltage, residual voltage ratio, discharge capacity, leakage current, voltage temperature coefficient, current temperature coefficient, voltage nonlinearity, insulation resistance, direct capacitance etc. take advantage in like product.
Specific embodiment
Embodiment 1
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 1 part of MgO, Al2O3 4 parts, 1 part of CaO, AgNO3 2 parts, Al2(CO3)3
0.5 part, MnCO32 parts, H3BO3
1 part, Al (NO3)3 5 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 60nm.
Embodiment 2
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 5 parts of MgO, Al2O32 parts, 3 parts of CaO, AgNO3 0.1 part, Al2(CO3)3
2 parts, MnCO31 part, H3BO3
2 parts, Al (NO3)3 2 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 65nm.
Embodiment 3
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 1.4 parts of MgO, Al2O32.4 parts, 1.3 parts of CaO, AgNO3 0.4 part, Al2(CO3)3
0.7 part, MnCO31.2 part, H3BO3
1.1 part, Al (NO3)32.2 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 67nm.
Embodiment 4
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 4.7 parts of MgO, Al2O33.5 parts, 2.8 parts of CaO, AgNO3 1.7 part, Al2(CO3)3
1.7 part, MnCO31.8 part, H3BO3
1.7 part, Al (NO3)34.5 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 69nm.
Embodiment 5
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 1.9 parts of MgO, Al2O33.1 parts, 1.5 parts of CaO, AgNO3 1.4 part, Al2(CO3)3
1.2 part, MnCO31.7 parts, H3BO3
1.3 part, Al (NO3)34.1 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 70nm.
Embodiment 6
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 3.5 parts of MgO, Al2O32.8 parts, 2.5 parts of CaO, AgNO3 0.7 part, Al2(CO3)3
1.5 part, MnCO31.4 part, H3BO3
1.5 part, Al (NO3)34.1 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 72nm.
Embodiment 7
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 3.1 parts of MgO, Al2O33.0 parts, 2.3 parts of CaO, AgNO3 1.2 parts, Al2(CO3)3
1.4 parts, MnCO31.6 parts, H3BO3
1.5 parts, Al (NO3)33.4 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 74nm.
Embodiment 8
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 2.4 parts of MgO, Al2O32.9 parts, 1.7 parts of CaO, AgNO3 0.8 part, Al2(CO3)3
1.3 parts, MnCO31.5 parts, H3BO3
1.4 parts, Al (NO3)32.8 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 76nm.
Embodiment 9
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 2.9 parts of MgO, Al2O32.9 parts, 2.1 parts of CaO, AgNO31.0 part, Al2(CO3)3
1.4 parts, MnCO31.5 parts, H3BO3
1.5 parts, Al (NO3)33.0 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 78nm.
Embodiment 10
Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, including each component of following weight portion, in terms of 100 weight portions, 2.7 parts of MgO, Al2O33.0 parts, 1.9 parts of CaO, AgNO31.1 part, Al2(CO3)3
1.3 part, MnCO31.6 parts, H3BO3
1.4 parts, Al (NO3)33.2 parts, balance of nano-ZnO；The particle diameter of nano-ZnO is 80nm.
Claims (6)
1. sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder, is characterized in that, the resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 1-5 parts, Al2O32-4 parts, CaO 1-3 parts, AgNO3 0.1-2 parts, Al2(CO3)3
0.5-2 parts, MnCO31-2 parts, H3BO3
1-2 parts, Al (NO3)3 2-5 parts, balance of nano-ZnO.
2. sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder according to claim 1, is characterized in that, the resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 1.4-4.7 parts, Al2O3
2.4-3.5 parts, CaO 1.3-2.8 parts, AgNO3 0.4-1.7 parts, Al2(CO3)30.7-1.7 parts, MnCO31.2-1.8 part, H3BO3
1.1-1.7 part, Al (NO3)32.2-4.5 parts, balance of nano-ZnO.
3. sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder according to claim 1, is characterized in that, the resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 1.9-3.5 parts, Al2O3
2.8-3.1 parts, CaO 1.5-2.5 parts, AgNO3 0.7-1.4 parts, Al2(CO3)31.2-1.5 part, MnCO31.4-1.7 part, H3BO3
1.3-1.5 part, Al (NO3)32.5-4.1 parts, balance of nano-ZnO.
4. sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder according to claim 1, is characterized in that, the resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 2.4-3.1 parts, Al2O3
2.9-3.0 parts, CaO 1.7-2.3 parts, AgNO3 0.8-1.2 parts, Al2(CO3)31.3-1.4 part, MnCO31.5-1.6 part, H3BO3
1.4-1.5 part, Al (NO3)32.8-3.4 parts, balance of nano-ZnO.
5. sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder according to claim 1, is characterized in that, the resistor ceramic powder includes each component of following weight portion, in terms of 100 weight portions, MgO 2.7-2.9 parts, Al2O3
2.9-3.0 parts, CaO 1.9-2.1 parts, AgNO31.0-1.1 part, Al2(CO3)31.3-1.4 part, MnCO31.5-1.6 part, H3BO3
1.4-1.5 part, Al (NO3)33.0-3.2 parts, balance of nano-ZnO.
6. sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder according to claim 1, is characterized in that, the particle diameter of the nano-ZnO is 60-80nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510620465.1A CN106554200A (en) | 2015-09-26 | 2015-09-26 | Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510620465.1A CN106554200A (en) | 2015-09-26 | 2015-09-26 | Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder |
Publications (1)
| Publication Number | Publication Date |
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| CN106554200A true CN106554200A (en) | 2017-04-05 |
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|---|---|---|---|
| CN201510620465.1A Pending CN106554200A (en) | 2015-09-26 | 2015-09-26 | Sheet type multilayer zinc oxide pressure-sensitive electric resistance ceramic powder |
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| CN (1) | CN106554200A (en) |
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Application publication date: 20170405 |