CN116282913A - Radiation-proof lead-free tellurate glass and preparation method thereof - Google Patents
Radiation-proof lead-free tellurate glass and preparation method thereof Download PDFInfo
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- CN116282913A CN116282913A CN202310242719.5A CN202310242719A CN116282913A CN 116282913 A CN116282913 A CN 116282913A CN 202310242719 A CN202310242719 A CN 202310242719A CN 116282913 A CN116282913 A CN 116282913A
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- 239000011521 glass Substances 0.000 title claims abstract description 99
- XHGGEBRKUWZHEK-UHFFFAOYSA-L tellurate Chemical compound [O-][Te]([O-])(=O)=O XHGGEBRKUWZHEK-UHFFFAOYSA-L 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 229910016036 BaF 2 Inorganic materials 0.000 claims abstract description 22
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 claims abstract description 19
- 230000005855 radiation Effects 0.000 claims description 22
- 238000000137 annealing Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 12
- 239000000156 glass melt Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract description 3
- 230000001988 toxicity Effects 0.000 abstract description 2
- 231100000419 toxicity Toxicity 0.000 abstract description 2
- MQZZLKHANGTWNE-UHFFFAOYSA-L lead(2+);tellurate Chemical compound [Pb+2].[O-][Te]([O-])(=O)=O MQZZLKHANGTWNE-UHFFFAOYSA-L 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 7
- 230000003471 anti-radiation Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 3
- 239000010431 corundum Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000075 oxide glass Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Glass Compositions (AREA)
Abstract
The invention provides radiation-proof lead-free tellurate glass and a preparation method thereof, which belong to the technical field of radiation-proof glass, wherein the radiation-proof lead-free glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；ZnO：15％；Bi 2 O 3 ：11％‑19％；BaF 2 :1% -9%. The invention relates to radiation-proof lead-free tellurate glass, which uses TeO 2 As a matrix, znO and Bi are added in an auxiliary way 2 O 3 And BaF 2 The prepared tellurate glass has better stability. The radiation-proof lead tellurate glass and the radiation-proof lead tellurate glass which remove common lead substances have little difference in comprehensive performance, but reduce the toxicity of the glassThe lead-free purpose is achieved.
Description
Technical Field
The invention belongs to the technical field of radiation-proof glass, and particularly relates to radiation-proof lead-free tellurate glass and a preparation method thereof.
Background
Tellurate glass is a novel heavy metal oxide glass, is highly focused by scientific researchers, has the advantages of low melting point, high density, high refractive index, low phonon energy, strong chemical corrosion resistance, good thermal and mechanical properties and the like, is widely used in the fields of mobile communication, digital imaging and the like, and has great utilization value in the aspects of physics, optics, thermal and the like.
With the continuous progress of science and technology, higher requirements on radiation protection and component safety are put forward. TeO (TeO) 2 The crystal itself has a high refractive index, so TeO in tellurate glass 2 The higher the content of (c) the higher its refractive index. However, tellurate glass is used as heavy metal oxide glass, and it is a technical key to reduce toxicity and remove lead substances so as to achieve the purpose of no lead, and at the same time, the original excellent performance of tellurate glass is not weakened. Therefore, how to manufacture a novel lead-free glass for radiation protection is a technical problem to be solved by researchers.
Disclosure of Invention
In order to solve the technical problems, the invention provides radiation-proof lead-free tellurate glass and a preparation method thereof.
In order to achieve the above purpose, the invention provides a radiation-proof lead-free tellurate glass, which is prepared from the following components in percentage by mole:
TeO 2 ：65％；
Bi 2 O 3 ：15％；
ZnO：11％-19％；
BaF 2 ：1％-9％。
the invention adjusts ZnO and BaF in tellurate glass 2 In terms of mole ratio of TeO 2 Is taken as a main matrix and is added with ZnO and Bi in an auxiliary way 2 O 3 、BaF 2 Compared with lead-containing glass added with PbO, the prepared lead-free glass has little difference in radiation resistance, and the auxiliary additive used by the invention has excellent improvement effect on radiation resistance, and the radiation resistance effect is continuously improved along with the continuous increase of the mass attenuation coefficient along with the reduction of photon energy.
Further, the radiation-proof lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：19％；BaF 2 ：1％。
Further, the radiation-proof lead-free tellurate glass consists of the following components in mole percentThe components with the percentages are as follows: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：17％；BaF 2 ：3％。
Further, the radiation-proof lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：15％；BaF 2 ：5％。
Further, the radiation-proof lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：13％；BaF 2 ：7％。
Further, the radiation-proof lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：11％；BaF 2 ：9％。
The preparation method of the radiation-proof lead-free tellurate glass comprises the following steps:
(1) Weighing the components according to the specified mole percentage, mixing and heating to obtain glass melt;
(2) Casting the glass melt to obtain prefabricated tellurate glass;
(3) Annealing the prefabricated tellurate glass to obtain a tellurate glass primary product;
(4) And carrying out surface treatment on the tellurate glass primary product to obtain the radiation-proof lead-free tellurate glass.
Further, the heating temperature in the step (1) is 850-900 ℃, and the heating time is 90min.
Further, the casting mold used in the casting in the step (2) is a copper mold.
Further, the annealing temperature in the step (3) is 200-250 ℃, and the annealing time is 120min; and cooling is further carried out after annealing, wherein the cooling rate is 9 ℃/min until the temperature is cooled to room temperature.
Further, the surface treatment of step (4) includes a grinding treatment and a polishing treatment.
Compared with the prior art, the invention has the following advantages and technical effects:
the invention provides a radiation-proof lead-free tellurate glass, which uses TeO 2 As a matrix, znO and Bi are used 2 O 3 、BaF 2 As an additive, the rare earth-doped lead-free glass replaces the traditional PbO, so that the tellurate glass has the radiation-proof performance, and the radiation-proof lead-free glass has the advantages of wider infrared projection range, lower phonon energy, higher refractive index, lower melting temperature and the like, and is high in mechanical strength, stable in chemical property, not easy to deliquesce, very superior in comprehensive performance, and suitable for medical diagnosis, nuclear power generation, high-energy physical experiments and other environments; meanwhile, the scheme adopts the conventional components for accurate proportioning, the preparation method is simple and easy to operate, and the cost can be effectively reduced while the glass performance is ensured, so that the radiation-proof lead-free tellurate glass with excellent effect can be manufactured by utilizing limited resources; in addition, the radiation-proof glass prepared by the method provided by the invention has good transmissivity which can reach 90%, is superior to the existing lead-containing radiation-proof glass, and has high mechanical strength and stable chemical property. Therefore, the radiation-proof lead-free tellurate glass provided by the application has the advantages of good radiation-proof effect, higher transmissivity, excellent comprehensive performance and wide application environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is a schematic diagram of a radiation testing apparatus;
FIG. 2 is a graph of the mass attenuation coefficients of TBZBF series glasses at different photon energies;
FIG. 3 shows the mass attenuation coefficients of TBZBF series glass and TPZBF and concrete at a photon energy of 0.081 Mev.
Detailed Description
Various exemplary embodiments of the invention will now be described in detail, which should not be considered as limiting the invention, but rather as more detailed descriptions of certain aspects, features and embodiments of the invention.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In addition, for numerical ranges in this disclosure, it is understood that each intermediate value between the upper and lower limits of the ranges is also specifically disclosed. Every smaller range between any stated value or stated range, and any other stated value or intermediate value within the stated range, is also encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.
Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only preferred methods and materials are described herein, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention. All documents mentioned in this specification are incorporated by reference for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the invention described herein without departing from the scope or spirit of the invention. Other embodiments will be apparent to those skilled in the art from consideration of the specification of the present invention. The specification and examples of the present invention are exemplary only.
As used herein, the terms "comprising," "including," "having," "containing," and the like are intended to be inclusive and mean an inclusion, but not limited to.
The room temperature of the present invention means 25.+ -. 2 ℃.
Example 1
The radiation-proof lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 65％、Bi 2 O 3 15％、ZnO19％、BaF 2 1 percent, the radiation-proof lead-free glass is prepared by the following method:
(1) Mixing the above components, placing in a corundum crucible, and heating at 850 ℃ for 90min to obtain a glass melt;
(2) Casting the glass melt into a copper mold with the preheating temperature of 250 ℃ to obtain prefabricated tellurate glass;
(3) The prefabricated tellurate glass is put into a muffle furnace for annealing, the annealing temperature is 250 ℃, and the annealing and heat preservation time is prolonged;
(4) Sequentially carrying out surface grinding and polishing treatment on the tellurate glass primary product to obtain radiation-proof lead-free tellurate glass (TBZBF-1);
as can be seen from FIG. 2, the radiation-proof lead-free tellurate glass obtained in the present example has a mass attenuation coefficient of 2.331cm when the photon energy is 0.081MeV 2 /g。
Example 2
The mole percentage of each component of the radiation-proof lead-free tellurate glass in the embodiment is TeO 2 65％、Bi 2 O 3 15％、ZnO17％、BaF 2 3%. The lead-free radiation-proof glass is prepared by the following method:
(1) Mixing the above components, placing in a corundum crucible, and heating at 875 ℃ for 90min to obtain a glass melt;
(2) Casting the glass melt into a copper mold with a preheating temperature of 275 ℃ to obtain prefabricated tellurate glass;
(3) The prefabricated tellurate glass is put into a muffle furnace for annealing, the annealing temperature is 275 ℃, the annealing heat preservation time is 120min, and then the temperature is reduced to room temperature at the speed of 9 ℃/min, so as to obtain the initial tellurate glass product;
(4) Sequentially carrying out surface grinding and polishing treatment on the tellurate glass primary product to obtain radiation-proof lead-free tellurate glass (TBZBF-3);
as can be seen from FIG. 2, the radiation-proof lead-free tellurate glass obtained in the present example has a mass attenuation coefficient of 2.32cm when the photon energy is 0.081MeV 2 /g。
Example 3
This example is compared to example 1, except that the mole percent of each component of the radiation-protected lead-free tellurate glass is TeO 2 65％、Bi 2 O 3 15％、ZnO15％、BaF 2 5%. The radiation-proof lead-free glass is prepared by the following method:
(1) Mixing the above components, placing in a corundum crucible, and heating at 850 ℃ for 90min to obtain a glass melt;
(2) Casting the glass melt into a copper mold with the preheating temperature of 300 ℃ to obtain prefabricated tellurate glass;
(3) The prefabricated tellurate glass is put into a muffle furnace for annealing, the annealing temperature is 250 ℃, the annealing heat preservation time is 120min, and then the temperature is reduced to room temperature at the speed of 9 ℃/min, so as to obtain the initial tellurate glass product;
(4) Sequentially carrying out surface grinding and polishing treatment on the tellurate glass primary product to obtain radiation-proof lead-free tellurate glass (TBZBF-5);
as can be seen from FIG. 2, the radiation-proof lead-free tellurate glass obtained in the present example has a mass attenuation coefficient of 2.329cm when the photon energy is 0.081MeV 2 /g。
Example 4
This example is compared to example 1, except that the mole percent of each component of the radiation-protected lead-free tellurate glass is TeO 2 65％、Bi 2 O 3 15％、ZnO13％、BaF 2 7%. Other technical characteristics were the same as in example 1 to obtain radiation-proof lead-free tellurate glass (TBZBF-7).
As can be seen from FIG. 2, the radiation-proof lead-free tellurate glass obtained in the present example has a mass attenuation coefficient of 2.338cm when the photon energy is 0.081MeV 2 /g。
Example 5
This example is compared to example 1, except that the mole percent of each component of the radiation-protected lead-free tellurate glass is TeO 2 65％、Bi 2 O 3 15％、ZnO11％、BaF 2 9%. Other technical characteristics were the same as in example 1 to obtain radiation-proof lead-free tellurate glass (TBZBF-9).
As can be seen from FIG. 2, the radiation-proof lead-free tellurate glass obtained in the present example has a mass attenuation coefficient of 2.348cm when the photon energy is 0.081MeV 2 /g。
Test example 1
The radiation-proof glass prepared in examples 1 to 5 was used to measure the mass attenuation coefficient by changing the intensity of photon energy by a controlled variable method. The radiation test is carried out by the experimental equipment in fig. 1, the test result is shown in fig. 2, it can be seen from fig. 2 that, for glass with the same component, when the photon energy is 0.059MeV, 0.081MeV, 0.122MeV, 0.356MeV, 0.662MeV, 1.173MeV and 1.332MeV, the mass attenuation coefficient is reduced along with the increase of the photon energy intensity, and for low-intensity photon energy, the mass attenuation coefficient is relatively higher, and the radiation protection effect is better. When the photon energy is 0.081MeV, along with Bi 2 O 3 The content increases, and the mass attenuation coefficient tends to rise.
Comparative example 1
The comparative example provides a lead-containing radiation-proof tellurate glass which is prepared from the following components in percentage by mole: teO (TeO) 2 60％、PbO40％、ZnO11％、BaF 2 9%; the preparation method is the same as in example 1, and the quality attenuation coefficient of the prepared anti-radiation tellurate glass is compared with that of lead-free anti-radiation tellurate glass, and as can be seen from fig. 3, when the photon energy is 0.081MeV, the quality attenuation coefficient of the lead-free anti-radiation tellurate glass is higher than that of the lead-containing anti-radiation tellurate glass, so that the anti-radiation performance of the TBZBF series glass is better.
At photon energy of 0.662Mev, the TBZBF series glass has SiO as main component under the same condition 2 、Al 2 O 3 As can be seen from FIG. 3, the mass attenuation coefficient of the concrete containing CaO is larger, and the radiation protection performance of the radiation protection lead-free tellurate glass is far higher than that of the concrete under the same condition. It can be seen that the radiation protection effect of the examples is significantly better than that of the control and the concrete at the same radiation intensity.
The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The radiation-proof lead-free tellurate glass is characterized by being prepared from the following components in percentage by mole:
TeO 2 ：65％；
Bi 2 O 3 ：15％；
ZnO：11％-19％；
BaF 2 ：1％-9％。
2. the radiation-resistant lead-free tellurate glass according to claim 1, wherein the radiation-resistant lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：19％；BaF 2 ：1％。
3. The radiation-resistant lead-free tellurate glass according to claim 1, wherein the radiation-resistant lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：17％；BaF 2 ：3％。
4. The radiation-resistant lead-free tellurate glass according to claim 1, wherein the radiation-resistant lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：15％；BaF 2 ：5％。
5. The radiation-resistant lead-free tellurate glass according to claim 1, wherein the radiation-resistant lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：13％；BaF 2 ：7％。
6. The radiation-resistant lead-free tellurate glass according to claim 1, wherein the radiation-resistant lead-free tellurate glass is prepared from the following components in percentage by mole: teO (TeO) 2 ：65％；Bi 2 O 3 ：15％；ZnO：11％；BaF 2 ：9％。
7. A method for preparing the radiation-proof lead-free tellurate glass in any one of claims 1 to 6, comprising the following steps:
(1) Weighing the components according to the specified mole percentage, mixing and heating to obtain glass melt;
(2) Casting the glass melt to obtain prefabricated tellurate glass;
(3) Annealing the prefabricated tellurate glass to obtain a tellurate glass primary product;
(4) And carrying out surface treatment on the tellurate glass primary product to obtain the radiation-proof lead-free tellurate glass.
8. The process according to claim 7, wherein the heating temperature in the step (1) is 850 to 900℃and the heating time is 90 minutes.
9. The method according to claim 7, wherein the annealing temperature in the step (3) is 200-250 ℃ and the annealing time is 120min; cooling is also performed after annealing.
10. The method of claim 7, wherein the surface treatment in step (4) comprises a grinding treatment and a polishing treatment.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412586A (en) * | 2008-11-11 | 2009-04-22 | 上海应用技术学院 | Infrared transmitting multi-component oxyhalide tellurite nucleated glass and preparation thereof |
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| CN112851118A (en) * | 2021-02-01 | 2021-05-28 | 北方工业大学 | Tellurate glass with high refractive index and preparation method thereof |
-
2023
- 2023-03-14 CN CN202310242719.5A patent/CN116282913A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009096662A (en) * | 2007-10-16 | 2009-05-07 | Ohara Inc | Glass composition |
| CN101412586A (en) * | 2008-11-11 | 2009-04-22 | 上海应用技术学院 | Infrared transmitting multi-component oxyhalide tellurite nucleated glass and preparation thereof |
| CN102898024A (en) * | 2012-09-27 | 2013-01-30 | 广东风华高新科技股份有限公司 | Tellurium-containing glass material and preparation method and application thereof |
| CN109384394A (en) * | 2018-12-12 | 2019-02-26 | 内蒙古科技大学 | A kind of high non-linearity low-loss bismuth tellurite glasses and optical fiber and preparation method thereof |
| CN112851118A (en) * | 2021-02-01 | 2021-05-28 | 北方工业大学 | Tellurate glass with high refractive index and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王昊, 新型碲酸盐玻璃的折射率与防辐射性能研究, 15 January 2023 (2023-01-15), pages 1 * |
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