CN107778005A - The zirconia ceramics sensor and manufacture craft of a kind of stabilized with yttrium oxide - Google Patents
The zirconia ceramics sensor and manufacture craft of a kind of stabilized with yttrium oxide Download PDFInfo
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- CN107778005A CN107778005A CN201610721885.3A CN201610721885A CN107778005A CN 107778005 A CN107778005 A CN 107778005A CN 201610721885 A CN201610721885 A CN 201610721885A CN 107778005 A CN107778005 A CN 107778005A
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- stabilized
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- zirconia ceramics
- yttrium oxide
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- 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
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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- 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
- C04B35/6303—Inorganic additives
- C04B35/6316—Binders based on silicon compounds
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- 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
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
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- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Abstract
The invention discloses the zirconia ceramics sensor and manufacture craft of a kind of stabilized with yttrium oxide, its material used includes：ZrO2；Y2O3And sintering aidses；The weight ratio of the material is：ZrO2 60~94%；Y2O31~35.25%；Sintering aidses 0.1 ~ 5%；It overcomes the country and is occurring thermal shock problems in terms of lambda sensor using the stable zirconium oxide of yttrium, a New step has been brought up in terms of difference in oxygen concentration battery better than the performance of the zirconium oxide of magnesium stabilization in stability, thermal shock resistance, high-temperature electronic electrical conductivity using the stable zirconium oxide of yttrium.
Description
Technical field
Made pottery the present invention relates to zirconium oxide in the field that oxidation sensors use, the zirconium oxide of specially a kind of stabilized with yttrium oxide
Porcelain sensor and manufacture craft.
Background technology
Yttrium partially stabilized zirconia ceramics has very good thermal shock resistance and High temperature ion electronic conductivity, is better than
The stable zirconia ceramics of magnesium, therefore difference in oxygen concentration battery is made, it is widely used in the oxygen activity of metallurgy industry metallic solution
Measure, realizes the on-line checking in smelting process.The magnesium stabilizing zirconia sensor used instead of the current country, improves current magnesium
Stable zirconia sensor detects unstable situation in reappearance, thermal shock resistance and hypoxemia.
The content of the invention
Prior art can not meet the needs of people, to make up the deficiencies in the prior art, the present invention is intended to provide a kind of oxygen
Change the stable zirconia ceramics sensor of yttrium and manufacture craft.
To realize the technical purpose, the technical solution adopted by the present invention is：A kind of zirconia ceramics of stabilized with yttrium oxide passes
Sensor, its material used include：ZrO2；Y2O3And sintering aidses；The weight ratio of the material is：ZrO2 60~94%；Y2O3
1~35.25%；Sintering aidses 0.1 ~ 5%.
A kind of zirconia ceramics sensor preparation technology of stabilized with yttrium oxide comprises the following steps：Step 1, material selection；
It is prepared by step 2, powder；Step 3, ceramic preparation；Step 4, dewaxing；Step 5, sintering；Wherein：
Step 1, drawn materials 100 parts according to weight ratio, wherein；ZrO2 94 parts；Y2O3 1 part；5 parts of sintering aidses；Paraffin and
Appropriate oleic acid；Step 2, the raw material that said ratio is prepared carry out ball milling, grinding 12h drying, through 1000-1300 DEG C of calcining, mistake
100-200 mesh sieves, are made powder；Step 3, by weight powder 70-88 parts, paraffin 1-15 parts, the mixing of oleic acid 1-10 parts is equal
It is even, gatch is made；Step 4, idiosome is positioned in crucible and buries reality with aluminum oxide, in 900-1200 DEG C of dewaxing 48-72h of temperature；
Step 5, the idiosome after dewaxing is placed in crucible, is sintered in being 1580-1690 DEG C in temperature, obtains yttrium stabilization
Zircite product.
Further, the sintering aidses are by SiO2；Fe2O3；Na2O3；Al2O3And TiO2Composition；The weight ratio is
SiO2 0.02~1%；Fe2O3 0.003~0.8%；Na2O3 0.005~2%；Al2O3 0.003~1%；TiO2 0.002~1.5%。
Further, the mode of ball milling is planetary mills wet lapping in the step 2.
Further, a length of 60 ~ 65h when most preferably being dewaxed in the step 4.
Further, optimum temperature is 1600 ~ 1650 DEG C in the step 5.
Further, the zirconia ceramics sensor of the stabilized with yttrium oxide includes sensor body and short circuit bar；The sense
Device body is fixedly connected with short circuit bar, and junction is provided with rounding corner structure；The sensor body interior is provided with through hole；The sense
The a diameter of 5.51mm in one end that device body is connected with short circuit bar, the other end a diameter of 5.70mm, length 29.1mm；The short circuit
A diameter of 1.8mm of bar, length 1.8mm；The through hole is directly 3mm.
Compared with prior art, the beneficial effects of the invention are as follows：The domestic zirconium oxide using yttrium stabilization is overcome in oxygen
There are thermal shock problems in terms of sensor, be better than using the stable zirconium oxide of yttrium in stability, thermal shock resistance, high-temperature electronic electrical conductivity
The performance of the stable zirconium oxide of magnesium, has brought up to a New step in terms of difference in oxygen concentration battery.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the sectional view along line A-A of the present invention；
Fig. 3 is the process chart of the present invention；
In reference：1. sensor body；2. short circuit bar；A. through hole.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of zirconia ceramics sensor of stabilized with yttrium oxide,
Its material used includes：ZrO2；Y2O3And sintering aidses；The weight ratio of the material is：ZrO260~94%；Y2O3 1~
35.25%；Sintering aidses 0.1 ~ 5%.
A kind of zirconia ceramics sensor preparation technology of stabilized with yttrium oxide comprises the following steps：Step 1, material selection；
It is prepared by step 2, powder；Step 3, ceramic preparation；Step 4, dewaxing；Step 5, sintering.Wherein：
Step 1, drawn materials 100 parts according to weight ratio, wherein；ZrO2 94 parts；Y2O3 1 part；5 parts of sintering aidses；Paraffin and
Appropriate oleic acid；Step 2, the raw material that said ratio is prepared carry out ball milling, grinding 12h drying, through 1000-1300 DEG C of calcining, mistake
100-200 mesh sieves, are made powder；Step 3, by weight powder 70-88 parts, paraffin 1-15 parts, the mixing of oleic acid 1-10 parts is equal
It is even, gatch is made；Step 4, idiosome is positioned in crucible and buries reality with aluminum oxide, in 900-1200 DEG C of dewaxing 48-72h of temperature；
Step 5, the idiosome after dewaxing is placed in crucible, is sintered in being 1580-1690 DEG C in temperature, obtains yttrium stabilization
Zircite product.
Further, the sintering aidses are by SiO2；Fe2O3；Na2O3；Al2O3And TiO2Composition；The weight ratio is
SiO2 0.02~1%；Fe2O3 0.003~0.8%；Na2O3 0.005~2%；Al2O3 0.003~1%；TiO2 0.002~1.5%。
Further, the mode of ball milling is planetary mills wet lapping in the step 2.
Further, a length of 60 ~ 65h when most preferably being dewaxed in the step 4.
Further, optimum temperature is 1600 ~ 1650 DEG C in the step 5.
Further, the zirconia ceramics sensor of the stabilized with yttrium oxide includes sensor body 1 and short circuit bar 2；It is described
Sensor body 1 is fixedly connected with short circuit bar 2, and junction is provided with rounding corner structure；The inside of sensor body 1 is provided with through hole a；
The a diameter of 5.51mm in one end that the sensor body 1 is connected with short circuit bar 2, the other end a diameter of 5.70mm, length 29.1mm；
A diameter of 1.8mm of the short circuit bar 2, length 1.8mm；That the through hole a is directly 3mm.
The zirconia ceramics sensor performance of stabilized with yttrium oxide：The density of this sensor reaches 5.83g/cm3, mechanical meaurement
Bending strength reaches 2000mpa, and thermal shock resistance reaches 99%, and weight linearly reaches 99%.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Described above, only presently preferred embodiments of the present invention is not intended to limit the invention, every skill according to the present invention
Any trickle amendment, equivalent substitution and the improvement that art is substantially made to above example, should be included in technical solution of the present invention
Protection domain within.
Claims (7)
1. a kind of zirconia ceramics sensor of stabilized with yttrium oxide, its material used includes：ZrO2；Y2O3And sintering aidses；
It is characterized in that：The weight ratio of the material is：ZrO260~94%；Y2O3 1~35.25%；Sintering aidses 0.1 ~ 5%.
2. a kind of zirconia ceramics sensor preparation technology of stabilized with yttrium oxide, comprises the following steps：Step 1, material selection；
It is prepared by step 2, powder；Step 3, ceramic preparation；Step 4, dewaxing；Step 5, sintering；It is characterized in that：Wherein：
S1. step 1, drawn materials 100 parts according to weight ratio, wherein；ZrO2 94 parts；Y2O3 1 part；5 parts of sintering aidses；Paraffin
It is appropriate with oleic acid；
S2. step 2, the raw material that said ratio is prepared carry out ball milling, grinding 12h drying, through 1000-1300 DEG C of calcining, mistake
100-200 mesh sieves, are made powder；
S3. step 3, by weight powder 70-88 parts, paraffin 1-15 parts, oleic acid 1-10 parts are well mixed, gatch is made；
S4. step 4, idiosome is positioned in crucible and buries reality with aluminum oxide, in 900-1200 DEG C of dewaxing 48-72h of temperature；
S5. step 5, the idiosome after dewaxing is placed in crucible, is sintered in being 1580-1690 DEG C in temperature, obtains yttrium
Stable zircite product.
A kind of 3. zirconia ceramics sensor of stabilized with yttrium oxide according to claim 1, it is characterised in that：The sintering
Accelerator is by SiO2；Fe2O3；Na2O3；Al2O3And TiO2Composition；The weight ratio is SiO2 0.02~1%；Fe2O3 0.003~
0.8%；Na2O3 0.005~2%；Al2O3 0.003~1%；TiO2 0.002~1.5%。
A kind of 4. zirconia ceramics sensor preparation technology of stabilized with yttrium oxide according to claim 2, it is characterised in that：
The mode of ball milling is planetary mills wet lapping in the step 2.
A kind of 5. zirconia ceramics sensor preparation technology of stabilized with yttrium oxide according to claim 2, it is characterised in that：
A length of 60 ~ 65h during optimal dewaxing in the step 4.
A kind of 6. zirconia ceramics sensor preparation technology of stabilized with yttrium oxide according to claim 2, it is characterised in that：
Optimum temperature is 1600 ~ 1650 DEG C in the step 5.
A kind of 7. zirconia ceramics sensor of stabilized with yttrium oxide according to claim 1, it is characterised in that：The oxidation
The stable zirconia ceramics sensor of yttrium includes sensor body（1）With short circuit bar（2）；The sensor body（1）With short circuit bar
（2）It is fixedly connected, and junction is provided with rounding corner structure；The sensor body（1）Inside is provided with through hole（a）；The sensor sheet
Body（1）The a diameter of 5.51mm in one end being connected with short circuit bar (2), the other end a diameter of 5.70mm, length 29.1mm；It is described short
Extension bar（2）A diameter of 1.8mm, length 1.8mm；The through hole（a）Be directly 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610721885.3A CN107778005A (en) | 2016-08-25 | 2016-08-25 | The zirconia ceramics sensor and manufacture craft of a kind of stabilized with yttrium oxide |
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| CN201610721885.3A CN107778005A (en) | 2016-08-25 | 2016-08-25 | The zirconia ceramics sensor and manufacture craft of a kind of stabilized with yttrium oxide |
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| CN107778005A true CN107778005A (en) | 2018-03-09 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050247561A1 (en) * | 2004-05-04 | 2005-11-10 | Kuo-Chuang Chiu | Ceramic gas sensor |
| CN102735737A (en) * | 2012-06-26 | 2012-10-17 | 中国科学院合肥物质科学研究院 | Liquid state alloy oxygen concentration sensor |
| CN102863213A (en) * | 2012-09-14 | 2013-01-09 | 钟祥市中原电子有限责任公司 | High-density magnesium-stabilized zirconia ceramic |
-
2016
- 2016-08-25 CN CN201610721885.3A patent/CN107778005A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050247561A1 (en) * | 2004-05-04 | 2005-11-10 | Kuo-Chuang Chiu | Ceramic gas sensor |
| CN102735737A (en) * | 2012-06-26 | 2012-10-17 | 中国科学院合肥物质科学研究院 | Liquid state alloy oxygen concentration sensor |
| CN102863213A (en) * | 2012-09-14 | 2013-01-09 | 钟祥市中原电子有限责任公司 | High-density magnesium-stabilized zirconia ceramic |
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Application publication date: 20180309 |