CN105236993B - A kind of ceramics fluxing agent and preparation method thereof - Google Patents
A kind of ceramics fluxing agent and preparation method thereof Download PDFInfo
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- CN105236993B CN105236993B CN201510594326.6A CN201510594326A CN105236993B CN 105236993 B CN105236993 B CN 105236993B CN 201510594326 A CN201510594326 A CN 201510594326A CN 105236993 B CN105236993 B CN 105236993B
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Abstract
The present invention relates to a kind of ceramic fluxing agents and preparation method thereof, are made of the raw material of following parts by weight：20 30 parts of SiO2, 15 20 parts of Al2O3, 15 20 parts of B2O3, 10 15 parts of P2O5, 5 10 parts of TiO2, 37 parts of Li2O, 15 20 parts of Cr2O3.Mixture is in 600 800 DEG C of pre-burnings；Powder after pre-burning is melted in 1,000 1280 DEG C, water quenching；It is ground after water quenching, is broken, sieving；It is ground into glass dust；By 100 200 DEG C of dryings of glass dust after sieving, it is sieved after broken and obtains ceramic fluxing agent.Gained cosolvent is used in mixed way with vitrified bond, the present invention utilizes Li2O、P2O5、B2O3、Cr2O3Oxides are waited, are interacted with refractory ceramics bonding agent so that vitrified bond melting temperature reduces, and the sintering temperature needed for Diamond Ceramics grinding wheel is declined, and sintering temperature reduces, and avoids and causes unnecessary damage to diamond abrasive in sintering process.
Description
Technical field
The invention belongs to the manufacturing technology field of abrasive material bonding agent, more particularly to a kind of ceramic fluxing agent and its preparation side
Method.
Background technology
Fluxing agent is primarily to reduce the sintering temperature of Diamond Ceramics binding agent sand wheel, in addition, fluxing agent can also be right
Vitrified bond plays certain reinforcement, increases the effects that bonding streng to diamond.Existing Li2O-ZnO-Al2O3-SiO2
Crystallite system vitrified bond sintering temperature is higher, and in sintered diamond vitrified bonded grinding wheel, diamond abrasive can be made
Into certain damage, ceramic skive occurs using because damnification of diamond grits is excessive, influences product in high-temperature sintering process
Service life and energy consumption it is excessively high and caused by grinding wheel cost it is excessively high.
Invention content
In order to solve the above problem of the existing technology, the object of the present invention is to provide a kind of and Li2O-ZnO-
Al2O3-SiO2Crystallite system vitrified bond is used in mixed way, and reduces the sintering temperature of ceramic skive, it is strong to improve grinding wheel
Degree improves ceramic fluxing agent of the bonding agent to the bonding streng of diamond.
Another object of the present invention is to provide a kind of preparation method of above-mentioned ceramic fluxing agent.
The technical solution adopted in the present invention is：A kind of ceramics fluxing agent, is made of the raw material of following parts by weight：20-30
Part SiO2, 15-20 parts of Al2O3, 15-20 parts of B2O3, 10-15 parts of P2O5, 5-10 parts of TiO2, 3-7 parts of Li2O, 15-20 parts of CR2O3。
Preferably, a kind of ceramic fluxing agent, is made of the raw material of following parts by weight：26 parts of SiO2, 16 parts of Al2O3, 18 parts
B2O3, 12 parts of P2O5, 8 parts of TiO2, 5 parts of Li2O, 15 parts of CR2O3。
The preparation method of above-mentioned ceramics fluxing agent, specifically includes following step：
(1) by weight：20-30 parts of SiO2, 15-20 parts of Al2O3, 15-20 parts of B2O3, 10-15 parts of P2O5, 5-10 parts of TiO2、
3-7 parts of Li2O, 15-20 parts of CR2O3Dispensing is uniformly mixed；
(2) mixture is in 600-800 DEG C of pre-burning；
(3) powder after pre-burning is melted in 1000-1280 DEG C, water quenching；
(4) it is ground after water quenching, is broken, sieving；It is ground into glass dust；
(5) it by 100-200 DEG C of drying of glass dust after sieving, is sieved after broken and obtains the ceramics fluxing agent.
Wherein, step (1) mixing uses laboratory pulley type ball milling of the rotating speed for 350r/min using wet ball grinding
Machine, pellet mass ratio are 1:3, Ball-milling Time 5-8h.It is melted using corundum crucible described in step (3), soaking time is melted
1-3h。
A kind of above-mentioned ceramic fluxing agent application method：Ceramic fluxing agent and Li prepared by above-mentioned preparation method2O-ZnO-
Al2O3-SiO2Crystallite system vitrified bond presses 1：3-1：5 ratio is used in mixed way.
Beneficial effects of the present invention are：The cosolvent of the present invention advantageously reduces the sintering temperature of ceramic skive,
The intensity of grinding wheel is improved, improves bonding streng of the vitrified bond to diamond.The present invention utilizes Li2O、P2O5、B2O3Deng oxidation
Object interacts with refractory ceramics bonding agent so that vitrified bond melting temperature reduces, to needed for Diamond Ceramics grinding wheel
Sintering temperature declines, and sintering temperature reduces, and avoids and causes unnecessary damage to diamond abrasive in sintering process.Separately
Outside, Al2O3、SiO2For the main constituents of vitrified bond, interact to stablize ceramic fluxing agent with vitrified bond
Effect, as main additive.Fluxing agent, to complement each other, supporting mutually, is that former vitrified bond is matched with vitrified bond
The supplement of side, by constantly testing, determines the ratio of each material of fluxing agent, finally improves holding of the bonding agent to diamond
Power stabilizes the quality of product.In particular, to existing vitrified bond Li2O-ZnO-Al2O3-SiO2The ceramics of the middle addition present invention
Fluxing agent, the ceramic product with high temperature sintering equal performance is provided in sintering under lower sintering temperature, and the fluxing agent can drop
The low vitrified bond coefficient of expansion, is allowed to the expansion coefficient similar with diamond, preferably increases former bonding agent to diamond
Hold, increase the service life of grinding wheel.
Specific embodiment
The present invention provides a kind of ceramic fluxing agent, in order to make crystallite system vitrified bond Li2O-ZnO-Al2O3-SiO2
The stable quality of product after firing temperature is controlled effectively and is burnt into.
Embodiment 1
A kind of ceramics fluxing agent, specifically includes following step：
(1) by weight：20 parts of SiO2, 20 parts of Al2O3, 20 parts of B2O3, 10 parts of P2O5, 10 parts of TiO2, 3 parts of Li2O, 15 parts
Cr2O3Dispensing is uniformly mixed；Wherein, mixing using wet ball grinding, uses laboratory roller of the rotating speed for 350r/min described in step
Ball tube mill, pellet mass ratio are 1:3, Ball-milling Time 5h.
(2) mixture is in 600 DEG C of pre-burnings；
(3) powder after pre-burning is melted in 1000 DEG C, water quenching；It is melted using corundum crucible described in step, heat preservation is melted
Time 1h；
(4) it is ground after water quenching, is broken, sieving；It is ground into glass dust；
(5) it by 100 DEG C of dryings of glass dust after sieving, is sieved after broken and obtains ceramic fluxing agent.
By manufactured ceramic fluxing agent and Li2O-ZnO-Al2O3-SiO2Crystallite system vitrified bond presses 1：3 ratio is mixed
It closes and uses.
Embodiment 2
A kind of ceramics fluxing agent, specifically includes following step：
(1) by weight：26 parts of SiO2, 16 parts of Al2O3, 18 parts of B2O3, 12 parts of P2O5, 8 parts of TiO2, 5 parts of Li2O, 15 parts
Cr2O3Dispensing is uniformly mixed；Wherein, mixing using wet ball grinding, uses laboratory roller of the rotating speed for 350r/min described in step
Ball tube mill, pellet mass ratio are 1:3, Ball-milling Time 7h.
(2) mixture is in 700 DEG C of pre-burnings；
(3) powder after pre-burning is melted in 1100 DEG C, water quenching；It is melted using corundum crucible described in step, heat preservation is melted
Time 2h.
(4) it is ground after water quenching, is broken, sieving；It is ground into glass dust；
(5) it by 150 DEG C of dryings of glass dust after sieving, is sieved after broken and obtains ceramic fluxing agent.
By manufactured ceramic fluxing agent and Li2O-ZnO-Al2O3-SiO2Crystallite system vitrified bond presses 1：4 ratio is mixed
It closes and uses.
Embodiment 3
A kind of ceramics fluxing agent, specifically includes following step：
(1) by weight：30 parts of SiO2, 15 parts of Al2O3, 15 parts of B2O3, 15 parts of P2O5, 5 parts of TiO2, 7 parts of Li2O, 20 parts
Cr2O3Dispensing is uniformly mixed；Wherein, mixing using wet ball grinding, uses laboratory roller of the rotating speed for 350r/min described in step
Ball tube mill, pellet mass ratio are 1:3, Ball-milling Time 8h.
(2) mixture is in 800 DEG C of pre-burnings；
(3) powder after pre-burning is melted in 1280 DEG C, water quenching；It is melted using corundum crucible described in step, heat preservation is melted
Time 3h.
(4) it is ground after water quenching, is broken, sieving；It is ground into glass dust；
(5) it by 200 DEG C of dryings of glass dust after sieving, is sieved after broken and obtains ceramic fluxing agent.
By manufactured ceramic fluxing agent and Li2O-ZnO-Al2O3-SiO2Crystallite system vitrified bond presses 1：5 ratio is mixed
It closes and uses.
Embodiment 4
A kind of ceramics fluxing agent, specifically includes following step：
(1) by weight：26 parts of SiO2, 16 parts of Al2O3, 18 parts of B2O3, 12 parts of P2O5, 8 parts of TiO2, 5 parts of Li2O, 15 parts
Cr2O3Dispensing is uniformly mixed；Wherein, mixing using wet ball grinding, uses laboratory roller of the rotating speed for 350r/min described in step
Ball tube mill, pellet mass ratio are 1:3, Ball-milling Time 7h.
(2) mixture is in 700 DEG C of pre-burnings；
(3) powder after pre-burning is melted in 1150 DEG C, water quenching；It is melted using corundum crucible described in step, heat preservation is melted
Time 2h.
(4) it is ground after water quenching, is broken, sieving；It is ground into glass dust；
(5) it by 150 DEG C of dryings of glass dust after sieving, is sieved after broken and obtains ceramic fluxing agent.
By manufactured ceramic fluxing agent and Li2O-ZnO-Al2O3-SiO2Crystallite system vitrified bond presses 1：4.5 ratio
It is used in mixed way.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the enlightenment of the present invention
The product of form, however, make any variation in its shape or structure, it is every that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (5)
1. a kind of ceramics fluxing agent, it is characterised in that：It is made of the raw material of following parts by weight：20-30 parts of SiO2, 15-20 parts
Al2O3, 15-20 parts of B2O3, 10-15 parts of P2O5, 5-10 parts of TiO2, 3-7 parts of Li2O, 15-20 parts of Cr2O3, preparation method specifically wraps
Include following steps：
(1) by weight：20-30 parts of SiO2, 15-20 parts of Al2O3, 15-20 parts of B2O3, 10-15 parts of P2O5, 5-10 parts of TiO2、3-7
Part Li2O, 15-20 parts of Cr2O3Dispensing is uniformly mixed；
(2) mixture is in 600-800 DEG C of pre-burning；
(3) powder after pre-burning is melted in 1000-1280 DEG C, water quenching；
(4) it is ground after water quenching, is broken, sieving；It is ground into glass dust；
(5) it by 100-200 DEG C of drying of glass dust after sieving, is sieved after broken and obtains ceramic fluxing agent.
2. ceramics fluxing agent as described in claim 1, which is characterized in that be made of the raw material of following parts by weight：26 parts of SiO2、
16 parts of Al2O3, 18 parts of B2O3, 12 parts of P2O5, 8 parts of TiO2, 5 parts of Li2O, 15 parts of Cr2O3。
3. ceramics fluxing agent as described in claim 1, it is characterised in that：Step (1) mixing is used using wet ball grinding
Rotating speed is the laboratory pulley type ball mill of 350r/min, and pellet mass ratio is 1:3, Ball-milling Time 6-8h.
4. ceramics fluxing agent as described in claim 1, it is characterised in that：It is melted using corundum crucible described in step (3), it melts
Soaking time 1-3h processed.
5. the ceramic fluxing agent as described in claim 3 or 4, it is characterised in that：The ceramics fluxing agent and Li2O-ZnO-
Al2O3-SiO2Crystallite system vitrified bond presses 1:3-1:5 ratio is used in mixed way.
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| CN201510594326.6A CN105236993B (en) | 2015-09-18 | 2015-09-18 | A kind of ceramics fluxing agent and preparation method thereof |
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| CN105236993B true CN105236993B (en) | 2018-06-29 |
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| CN110128854B (en) * | 2019-05-28 | 2021-01-15 | 江苏拜富科技股份有限公司 | Acid and alkali resistant flux for low temperature corrosion resistant pigment for ceramic wine bottle |
| CN113997212A (en) * | 2021-11-04 | 2022-02-01 | 扬中市远东轴承专用油石厂 | Preparation of ceramic bonding agent for CBN super-fine oilstone |
Citations (5)
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|---|---|---|---|---|
| US5284695A (en) * | 1989-09-05 | 1994-02-08 | Board Of Regents, The University Of Texas System | Method of producing high-temperature parts by way of low-temperature sintering |
| CN102531400A (en) * | 2012-03-12 | 2012-07-04 | 天津大学 | Microcrystal glass ceramic bond for diamond composite materials |
| CN103803984A (en) * | 2013-12-30 | 2014-05-21 | 莱鼎电子材料科技有限公司 | Method for preparing aluminum nitride ceramic substrate by adopting composite powder grain shape |
| CN104193312A (en) * | 2014-08-25 | 2014-12-10 | 曹南萍 | Colorful tourmaline ceramic and device applying same |
| CN104493732A (en) * | 2014-12-26 | 2015-04-08 | 常熟市海虞砂轮有限责任公司 | Ceramic bond |
-
2015
- 2015-09-18 CN CN201510594326.6A patent/CN105236993B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5284695A (en) * | 1989-09-05 | 1994-02-08 | Board Of Regents, The University Of Texas System | Method of producing high-temperature parts by way of low-temperature sintering |
| CN102531400A (en) * | 2012-03-12 | 2012-07-04 | 天津大学 | Microcrystal glass ceramic bond for diamond composite materials |
| CN103803984A (en) * | 2013-12-30 | 2014-05-21 | 莱鼎电子材料科技有限公司 | Method for preparing aluminum nitride ceramic substrate by adopting composite powder grain shape |
| CN104193312A (en) * | 2014-08-25 | 2014-12-10 | 曹南萍 | Colorful tourmaline ceramic and device applying same |
| CN104493732A (en) * | 2014-12-26 | 2015-04-08 | 常熟市海虞砂轮有限责任公司 | Ceramic bond |
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