CN106082672A - A kind of teaching devitrified glass and preparation method thereof - Google Patents
A kind of teaching devitrified glass and preparation method thereof Download PDFInfo
- Publication number
- CN106082672A CN106082672A CN201610417554.0A CN201610417554A CN106082672A CN 106082672 A CN106082672 A CN 106082672A CN 201610417554 A CN201610417554 A CN 201610417554A CN 106082672 A CN106082672 A CN 106082672A
- Authority
- CN
- China
- Prior art keywords
- parts
- devitrified glass
- teaching
- preparation
- base substrate
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/20—Compositions for glass with special properties for chemical resistant glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2203/00—Production processes
Abstract
The invention discloses a kind of teaching devitrified glass, it is characterised in that: described devitrified glass mainly includes the raw material of following mass parts: Nb2O56～10 parts, SiO240～60 parts, Al2O32～6 parts, OSr30～50 parts, Ta2O54～8 parts, TiO23～5 parts, ZrO22～4 parts and P2O54～8 parts；Present invention process is simple, and energy consumption is low, and preparation process is pollution-free, and yields is high, and yields is more than 99.9%；The features such as preparation method of the present invention has that technique is simple, easy to process, low cost, safety non-pollution and energy-and time-economizing, compared with normal sintering, sintering time shortens 80%；Devitrified glass heat prepared by the present invention stability that shakes is good, nontoxic pollution-free, and acid-fast alkali-proof is good, good physical performance, and its fracture toughness is more than 11MPa m1/2, comprcssive strength is more than 360 MPa, and bending strength is more than 85MPa, and Vickers hardness is more than 6GPa, and Mohs' hardness is more than 6.5, and water absorption rate is 0, and whiteness is more than 90, and frost resistance is less than 0.02%.
Description
Technical field
The present invention relates to a kind of teaching devitrified glass and preparation method thereof, belong to teaching aid field.
Background technology
Also known as microcrystalline jade or glass-ceramic, it has glass and pottery to devitrified glass (CRYSTOE and NEOPARIES)
The double grading of porcelain, the atomic arrangement within simple glass is not have well-regulated, and this is also one of the reason of Glass breadks easily.And it is micro-
Crystal glass, as pottery, is made up of crystal, say, that its atomic arrangement is regular.So, devitrified glass is than pottery
The brightness of porcelain is high, stronger than glass toughness.
Devitrified glass has the characteristic more excellent than general glass, mainly shows themselves in that 1, has more stable chemistry
Performance: hydration-resisting, hydration-resisting ability, anti-cation exchange capacity (CEC)；2, there is higher mechanical strength；3, there is more excellent electricity
Learn performance: dielectric dissipation fraction is minimum；4, having good thermal property: thermal coefficient of expansion is low, the heat stability that shakes is good, and high temperature is soft
The temperature spot changed is high.
The range of application of devitrified glass and extensively, at mechanical engineering field, power engineering and electronic technology field and light
Field has and is widely applied, but existing devitrified glass mechanical strength, and acid-proof alkaline and heat are shaken stability
Can not fully meet the requirement of association area, result in devitrified glass performance not enough, be unfavorable for the application of devitrified glass.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of teaching devitrified glass, has heat and shakes stability nothing good, nontoxic
Pollute, acid-fast alkali-proof is good and the advantage of good physical performance.
The invention solves the problems that another problem is that providing a kind of imparts knowledge to students by the preparation method of devitrified glass, has technique letter
Single, easy to process, low cost, safety non-pollution and the advantage of energy-and time-economizing.
For solve above technical problem, the present invention by the following technical solutions:
A kind of teaching devitrified glass, described devitrified glass mainly includes the raw material of following mass parts: Nb2O56～10 parts,
SiO240～60 parts, Al2O32～6 parts, OSr30～50 parts, Ta2O54～8 parts, TiO23～5 parts, ZrO22～4 parts and P2O54～8
Part.
The following is and the further of technique scheme is optimized:
A kind of teaching uses the preparation method of devitrified glass, and described preparation method comprises the following steps successively: 1. pretreatment of raw material,
2. prepare base substrate, 3. high temperature sintering, 4. cooling molding, 5. low-temperature sintering, 6. machine.
Described feed pretreatment step is: by Nb2O5、Al2O3、Ta2O5And TiO2Stir and pulverize in powder, will
Mixed powder is put in the kiln of 1800～1900 DEG C, fires 2 hours, takes out after bake dry doubling and pulverizes standby；
By SiO2, OSr and ZrO2Stir and pulverize in powder, mixed powder is put into 2000～2100 DEG C
In kiln, fire 2 hours, take out after bake dry doubling and pulverize standby；
Described base substrate step of preparing is: by pretreated raw material and P2O5PVA is added as binding agent, grinding after mix homogeneously
Pelletize, the powder that pelletize is good is dry-pressing formed, then base substrate does isostatic cool pressing, and the pressure of isostatic cool pressing is 350～400MPa, protects
The pressure time is 1min.
Described high temperature sintering: the base substrate after isostatic cool pressing is placed in box-type high-temperature furnace calcining and gets rid of binding agent, then will
Base substrate is calcined 0.5 hour at 1600～1650 DEG C, programming rate be 300～350 DEG C per hour.
Described low-temperature sintering: tooth prepared by cooling forming step is calcined 0.5 hour at 900～1000 DEG C, heats up
Speed be 250～300 DEG C per hour.
The present invention compared with prior art, has the advantage that preparation method of the present invention has that technique is simple, processing side
Just, the feature such as low cost, safety non-pollution and energy-and time-economizing, compared with normal sintering, sintering time shortens 80%；
Devitrified glass heat prepared by the present invention stability that shakes is good, nontoxic pollution-free, and acid-fast alkali-proof is good, good physical performance, its
Fracture toughness is more than 11MPa m1/2, comprcssive strength is more than 360 MPa, and bending strength is more than 85MPa, and Vickers hardness is more than
6GPa, Mohs' hardness is more than 6.5, and water absorption rate is 0, and whiteness is more than 90, and frost resistance is less than 0.02%.
Below in conjunction with detailed description of the invention, the invention will be further described.
Detailed description of the invention
Embodiment 1, a kind of teaching devitrified glass, mainly include the raw material of following mass parts: Nb2O56 parts, SiO240 parts,
Al2O32 parts, OSr30 part, Ta2O54 parts, TiO23 parts, ZrO22 parts and P2O54 parts.
The preparation method of a kind of teaching devitrified glass comprises the following steps:
1. pretreatment of raw material: accurately weigh above raw material, by Nb2O5、Al2O3、Ta2O5And TiO2Stir and pulverize in powder
Shape, puts into mixed powder in the kiln of 1800～1900 DEG C, fires 0.5 hour, takes out after bake dry doubling and pulverizes standby；
By SiO2, OSr and ZrO2Stir and pulverize in powder, mixed powder is put into 2000～2100 DEG C
In kiln, fire 0.5 hour, take out after bake dry doubling and pulverize standby；
2. prepare base substrate: by P2O5PVA is added after pretreated raw material mix homogeneously as binding agent, grinding with in step 1
Pelletize, the powder that pelletize is good is dry-pressing formed, then base substrate does isostatic cool pressing, and the pressure of isostatic cool pressing is 350～400MPa, protects
The pressure time is 1min；
3. high temperature sintering: the base substrate after isostatic cool pressing is placed in box-type high-temperature furnace calcining and gets rid of binding agent, then base substrate is existed
At 1600～1650 DEG C calcine 0.5 hour, programming rate be 300～350 DEG C per hour；
4. cooling molding: teeth patterning is processed in base substrate cooling step 3 prepared；
5. low-temperature sintering: tooth step 4 prepared is incubated 0.5 hour at 900～1000 DEG C, programming rate is 250～300
DEG C per hour；
6. machine: tooth step 5 prepared carries out cooling down, trimming, polishing, complete processing.
Embodiment 2, a kind of teaching devitrified glass, mainly include the raw material of following mass parts: Nb2O58 parts, SiO250 parts,
Al2O34 parts, OSr40 part, Ta2O56 parts, TiO24 parts, ZrO23 parts and P2O56 parts.
The preparation method of a kind of teaching devitrified glass comprises the following steps:
1. pretreatment of raw material: accurately weigh above raw material, by Nb2O5、Al2O3、Ta2O5And TiO2Stir and pulverize in powder
Shape, puts into mixed powder in the kiln of 1800～1900 DEG C, fires 0.5 hour, takes out after bake dry doubling and pulverizes standby；
By SiO2, OSr and ZrO2Stir and pulverize in powder, mixed powder is put into 2000～2100 DEG C
In kiln, fire 0.5 hour, take out after bake dry doubling and pulverize standby；
2. prepare base substrate: by P2O5PVA is added after pretreated raw material mix homogeneously as binding agent, grinding with in step 1
Pelletize, the powder that pelletize is good is dry-pressing formed, then base substrate does isostatic cool pressing, and the pressure of isostatic cool pressing is 350～400MPa, protects
The pressure time is 1min；
3. high temperature sintering: the base substrate after isostatic cool pressing is placed in box-type high-temperature furnace calcining and gets rid of binding agent, then base substrate is existed
At 1600～1650 DEG C calcine 0.5 hour, programming rate be 300～350 DEG C per hour；
4. cooling molding: teeth patterning is processed in base substrate cooling step 3 prepared；
5. low-temperature sintering: tooth step 4 prepared is calcined 0.5 hour at 900～1000 DEG C, programming rate is 250～300
DEG C per hour；
6. machine: tooth step 5 prepared carries out cooling down, trimming, polishing, complete processing.
Embodiment 3, a kind of teaching devitrified glass, mainly include the raw material of following mass parts: Nb2O510 parts, SiO260
Part, Al2O36 parts, OSr50 part, Ta2O58 parts, TiO25 parts, ZrO24 parts and P2O58 parts.
The preparation method of a kind of teaching devitrified glass comprises the following steps:
1. pretreatment of raw material: accurately weigh above raw material, by Nb2O5、Al2O3、Ta2O5And TiO2Stir and pulverize in powder
Shape, puts into mixed powder in the kiln of 1800～1900 DEG C, fires 0.5 hour, takes out after bake dry doubling and pulverizes standby；
By SiO2, OSr and ZrO2Stir and pulverize in powder, mixed powder is put into 2000～2100 DEG C
In kiln, fire 0.5 hour, take out after bake dry doubling and pulverize standby；
2. prepare base substrate: by P2O5PVA is added after pretreated raw material mix homogeneously as binding agent, grinding with in step 1
Pelletize, the powder that pelletize is good is dry-pressing formed, then base substrate does isostatic cool pressing, and the pressure of isostatic cool pressing is 350～400MPa, protects
The pressure time is 1min；
3. high temperature sintering: the base substrate after isostatic cool pressing is placed in box-type high-temperature furnace calcining and gets rid of binding agent, then base substrate is existed
At 1600～1650 DEG C calcine 0.5 hour, programming rate be 300～350 DEG C per hour；
4. cooling molding: teeth patterning is processed in base substrate cooling step 3 prepared；
5. low-temperature sintering: tooth step 4 prepared is incubated 0.5 hour at 900～1000 DEG C, programming rate is 250～300
DEG C per hour；
6. machine: tooth step 5 prepared carries out cooling down, trimming, polishing, complete processing.
Devitrified glass performance such as following table by obtained by the various embodiments described above:
The features such as preparation method of the present invention has that technique is simple, easy to process, low cost, safety non-pollution and energy-and time-economizing, with
Normal sintering is compared, and sintering time shortens 80%；
Devitrified glass heat prepared by the present invention stability that shakes is good, nontoxic pollution-free, and acid-fast alkali-proof is good, good physical performance, its
Fracture toughness is more than 11MPa m1/2, comprcssive strength is more than 360 MPa, and bending strength is more than 85MPa, and Vickers hardness is more than
6GPa, Mohs' hardness is more than 6.5, and water absorption rate is 0, and whiteness is more than 90, and frost resistance is less than 0.02%.
The above is the citing of best mode for carrying out the invention, and it is common that the part addressed the most in detail is this area
The common knowledge of technical staff.Protection scope of the present invention is as the criterion with the content of claim, any technology based on the present invention
The equivalent transformation enlightened and carry out, also within protection scope of the present invention.
Claims (6)
1. a teaching devitrified glass, it is characterised in that: described devitrified glass mainly includes the raw material of following mass parts:
Nb2O56～10 parts, SiO240～60 parts, Al2O32～6 parts, OSr30～50 parts, Ta2O54～8 parts, TiO23～5 parts, ZrO22～
4 parts and P2O54～8 parts.
A kind of teaching the most as claimed in claim 1 uses the preparation method of devitrified glass, it is characterised in that: described preparation method
Comprise the following steps successively: 1. pretreatment of raw material, 2. prepare base substrate, 3. high temperature sintering, 4. cooling molding, 5. low-temperature sintering,
6. machine.
A kind of teaching the most as claimed in claim 2 uses the preparation method of devitrified glass, it is characterised in that: described pretreatment of raw material
Step is: by Nb2O5、Al2O3、Ta2O5And TiO2Stir and pulverize in powder, mixed powder is put into 1800
～in the kiln of 1900 DEG C, fire 0.5 hour, take out after bake dry doubling and pulverize standby；
By SiO2, OSr and ZrO2Stir and pulverize in powder, mixed powder is put into 2000～2100 DEG C
In kiln, fire 0.5 hour, take out after bake dry doubling and pulverize standby.
A kind of teaching the most as claimed in claim 2 uses the preparation method of devitrified glass, it is characterised in that: described base substrate of preparing walks
Suddenly it is: by pretreated raw material and P2O5PVA is added as binding agent, grinding pelletize, the powder good by pelletize after mix homogeneously
Dry-pressing formed, then base substrate is done isostatic cool pressing, the pressure of isostatic cool pressing is 350～400MPa, and the dwell time is 1min.
A kind of teaching the most as claimed in claim 2 uses the preparation method of devitrified glass, it is characterised in that: described high temperature sintering:
Base substrate after isostatic cool pressing is placed in box-type high-temperature furnace calcining and gets rid of binding agent, then base substrate is forged at 1600～1650 DEG C
Burn 0.5 hour, programming rate be 300～350 DEG C per hour.
A kind of teaching the most as claimed in claim 2 uses the preparation method of devitrified glass, it is characterised in that: described low-temperature sintering:
At 900～1000 DEG C, tooth prepared by cooling forming step is incubated 0.5 hour, and programming rate is 250～300 DEG C every little
Time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417554.0A CN106082672A (en) | 2016-06-15 | 2016-06-15 | A kind of teaching devitrified glass and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417554.0A CN106082672A (en) | 2016-06-15 | 2016-06-15 | A kind of teaching devitrified glass and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106082672A true CN106082672A (en) | 2016-11-09 |
Family
ID=57845527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610417554.0A Pending CN106082672A (en) | 2016-06-15 | 2016-06-15 | A kind of teaching devitrified glass and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106082672A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892367A (en) * | 2018-07-20 | 2018-11-27 | 西南交通大学 | A kind of SiO2The isostatic cool pressing sintering knot preparation method of glass |
| CN110606663A (en) * | 2019-10-18 | 2019-12-24 | 维达力实业（赤壁）有限公司 | Composite microcrystalline glass and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085698A (en) * | 2006-06-06 | 2007-12-12 | 株式会社小原 | Crystallized glass and method for producing crystallized glass |
| CN102177102A (en) * | 2008-10-10 | 2011-09-07 | 株式会社小原 | Glass ceramics and process for production thereof, process for producing sintered glass ceramics, process for producing complex, molded article having photocatalytic function, and hydrophilic molded article |
| CN103265176A (en) * | 2013-05-20 | 2013-08-28 | 京东方科技集团股份有限公司 | Sealing microcrystalline glass, and sealing method and application thereof |
| CN104909575A (en) * | 2015-05-12 | 2015-09-16 | 武汉理工大学 | Method for preparing low-density foam glass insulation material at low temperature |
-
2016
- 2016-06-15 CN CN201610417554.0A patent/CN106082672A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085698A (en) * | 2006-06-06 | 2007-12-12 | 株式会社小原 | Crystallized glass and method for producing crystallized glass |
| CN102177102A (en) * | 2008-10-10 | 2011-09-07 | 株式会社小原 | Glass ceramics and process for production thereof, process for producing sintered glass ceramics, process for producing complex, molded article having photocatalytic function, and hydrophilic molded article |
| CN103265176A (en) * | 2013-05-20 | 2013-08-28 | 京东方科技集团股份有限公司 | Sealing microcrystalline glass, and sealing method and application thereof |
| CN104909575A (en) * | 2015-05-12 | 2015-09-16 | 武汉理工大学 | Method for preparing low-density foam glass insulation material at low temperature |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892367A (en) * | 2018-07-20 | 2018-11-27 | 西南交通大学 | A kind of SiO2The isostatic cool pressing sintering knot preparation method of glass |
| CN110606663A (en) * | 2019-10-18 | 2019-12-24 | 维达力实业（赤壁）有限公司 | Composite microcrystalline glass and preparation method thereof |
| CN110606663B (en) * | 2019-10-18 | 2022-04-12 | 维达力实业（赤壁）有限公司 | Composite microcrystalline glass and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105669223B (en) | Saggar | |
| CN101538164A (en) | Process for preparing super-low expansion ceramic material | |
| CN108503224B (en) | Microcrystalline glass using coal gangue and rice hull ash as main raw materials and preparation method thereof | |
| CN109534680A (en) | A kind of crystal seed toughening lithium bisilicate glass ceramic composite and preparation method thereof | |
| CN109015419A (en) | A kind of LAS microcrystalline glass in series abrasive material combination agent prescription, preparation method and application | |
| CN107619256A (en) | A kind of matt ancient architecture porcelain and its preparation technology | |
| CN101982435B (en) | Method for preparing low-temperature lead-free near zero expansion microcrystalline ceramic coating | |
| CN113754404A (en) | High-light-transmittance daily fine porcelain and preparation method thereof | |
| CN103910489B (en) | A kind of as the glass of dentistry facing porcelain, preparation method and its usage | |
| CN102786300A (en) | Radiant heat reinforced absorbent and preparation method thereof | |
| CN106082672A (en) | A kind of teaching devitrified glass and preparation method thereof | |
| CN106316127B (en) | Medium-temperature golden plum crystal glaze and preparation method thereof | |
| CN111675534B (en) | Heat-resistant porcelain with high thermal shock resistance | |
| CN113773697A (en) | Reflective ink, preparation method and application thereof | |
| CN102432184A (en) | Low melting point phosphate glass powder for silver paste of solar battery and preparation method thereof | |
| CN108689691A (en) | A kind of health antibacterial Nixing pottery product and its processing method | |
| CN106927681B (en) | A kind of gear division devitrified glass that lithium sodium potassium is co-doped with and its preparation and application | |
| CN109081687A (en) | A kind of highly heatproof and shockproof ceramic crucible and preparation method thereof suitable for calcining anode material of lithium battery | |
| CN108585528A (en) | A kind of novel nucleated glass and preparation method thereof | |
| CN107805047A (en) | High feldspathic ceramic body material and preparation method thereof, the method for preparing with it ceramic | |
| CN103693939A (en) | Preparation technology of toughening/heat-conduction low-expansion purple-clay pot material | |
| CN108395103B (en) | Cubic-crystallization alpha cordierite glass ceramic prepared from bayan obo tailings and fly ash and preparation method thereof | |
| CN103922706B (en) | A kind of low-temperature sintering little proportion high strength Zirconia-alumina matrix material and preparation method thereof | |
| CN102515719A (en) | High tenacity alumina base composite ceramic and preparation method thereof | |
| CN104556706A (en) | Novel glass ceramic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |