CN117904714A - Method for synthesizing polycrystalline jadeite - Google Patents
Method for synthesizing polycrystalline jadeite Download PDFInfo
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- CN117904714A CN117904714A CN202410090625.5A CN202410090625A CN117904714A CN 117904714 A CN117904714 A CN 117904714A CN 202410090625 A CN202410090625 A CN 202410090625A CN 117904714 A CN117904714 A CN 117904714A
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- 229910052640 jadeite Inorganic materials 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000005245 sintering Methods 0.000 claims abstract description 13
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 12
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 12
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 12
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 9
- 239000013078 crystal Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000003086 colorant Substances 0.000 claims description 8
- 241000579895 Chlorostilbon Species 0.000 claims description 6
- 239000010976 emerald Substances 0.000 claims description 6
- 229910052876 emerald Inorganic materials 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 239000010437 gem Substances 0.000 abstract description 3
- 229910001751 gemstone Inorganic materials 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000010977 jade Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 1
- DNEHKUCSURWDGO-UHFFFAOYSA-N aluminum sodium Chemical group [Na].[Al] DNEHKUCSURWDGO-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B28/00—Production of homogeneous polycrystalline material with defined structure
- C30B28/04—Production of homogeneous polycrystalline material with defined structure from liquids
- C30B28/06—Production of homogeneous polycrystalline material with defined structure from liquids by normal freezing or freezing under temperature gradient
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B28/00—Production of homogeneous polycrystalline material with defined structure
- C30B28/02—Production of homogeneous polycrystalline material with defined structure directly from the solid state
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Glass Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention relates to a method for synthesizing polycrystalline jadeite, which comprises the following powdery raw materials: aluminum silicate, sodium silicate, and silicon dioxide; firstly, the raw materials are respectively weighed according to the proportion, and simultaneously, the color-forming agent is added and uniformly mixed; heating the mixture at a certain pressure and heating speed, keeping the temperature for 0.5-1 hour after heating to 150 ℃, continuously heating to 1200-1800 ℃, sintering and melting, and then cooling to room temperature at a certain speed; then heating the product of the previous step to 1200-1800 ℃ under certain pressure and heating speed, sintering and melting, then cooling to room temperature at certain cooling speed, and repeating the steps for a plurality of times; and finally, preserving the heat of the product obtained in the previous step at a certain pressure and temperature, and then reducing the temperature and the pressure to normal temperature and normal pressure. The method has simple procedures, and the transparent jadeite crystal meeting the parameter standard of the precious stone grade jadeite is obtained by repeated high-temperature and high-pressure sintering, thus having great economic value.
Description
Technical Field
The invention relates to the field of material synthesis, in particular to a method for synthesizing polycrystalline jadeite.
Background
The mineral of the jadeite has the chemical name of jadeite, the main chemical component of the jadeite is sodium aluminum silicate, and the chemical formula of the mineral is: naAlSi 2O6 is a precious stone that is rare and precious, and its physical and chemical properties are closely related to the evolution of geology. The natural jades are polycrystalline jades aggregate formed in high-temperature and high-pressure geological environment, and at present, the natural jades are produced in the countries such as Myma, crisis marla, russia and the like, under the current powerful large-scale mechanized excavation age, the land containing a large amount of jades can be excavated or resources are saved after being exploited for a long time, and the effective utilization of the land of the country and the protection of the environment can be destroyed.
At present, the artificial synthesis of jades plays a great role in protecting land and environment. In the existing method for artificially synthesizing jadeite, the glass body of the jadeite component is required to be crushed into glass powder, because the glass body of the jadeite component has higher hardness, impurities are easy to be doped in the glass powder in the process of crushing, no matter the glass is manually ground or mechanically crushed, pollution is caused, and the ground powder is subjected to compression molding again to cause air holes in the powder, so that the quality of the final synthesized jadeite is not good, and the high-quality synthesized jadeite is difficult to obtain.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for synthesizing polycrystalline jadeite and an engineering chip.
The technical scheme adopted for solving the technical problems is as follows: a method for synthesizing polycrystalline jadeite, which comprises the following powdery raw materials: aluminum silicate, sodium silicate, and silicon dioxide; the method comprises the following steps:
s1, aluminum silicate, sodium silicate and silicon dioxide are mixed according to the molar ratio of aluminum silicate: sodium silicate: silica=1:1:1.5, respectively weighing, and simultaneously adding a coloring agent accounting for 0.01-3wt% of the total mass of the raw materials and mixing for 10-120 minutes;
S2, heating the mixture obtained in the step S1 at a heating speed of 3-50 ℃/min under a pressure of 0.1-5GPa, keeping the temperature for 0.5-1 hour after heating to 150 ℃, continuously heating to 1200-1800 ℃ and sintering and melting for 0.5-24 hours, and cooling the melted sample to room temperature at a speed of 3-50 ℃/min to obtain a micro-transparent or semitransparent amorphous jadeite block;
S3, heating the micro-transparent or semitransparent amorphous jadeite block obtained in the step S2 to 1200-1800 ℃ at the heating speed of 3-50 ℃/min under the pressure of 0.1-5GPa, sintering and melting for 0.5-24 hours, cooling the melted sample to room temperature at the speed of 3-50 ℃/min, and repeating the step for a plurality of times to obtain a compact transparent amorphous jadeite block;
And S4, preserving the heat of the transparent amorphous jadeite block obtained in the step S3 for 0.1-48 hours at the temperature of 1200-2000 ℃ under the pressure of 0.1-5GPa, and then reducing the temperature and the pressure to normal temperature and normal pressure to obtain the semitransparent jadeite crystal.
Preferably, the color former is any one or more of the following oxides of element Cr, fe, mn, V, ti, ni, mg, co, cu, nd, lu, ce, sn.
Preferably, in the step S3, the micro-transparent or semitransparent amorphous jadeite block obtained in the step S2 is placed in a mold, and then sintered, melted and molded.
Preferably, the temperature is raised at a temperature raising rate of 5 ℃/min in both the step S2 and the step S3, the temperature is lowered at a temperature lowering rate of 5 ℃/min in the step S2, the temperature is lowered at a temperature lowering rate of 10 ℃/min in the step S3, and the pressures in both the step S2 and the step S3 are 1 GPa.
Preferably, the specific steps of the step S4 are:
s4a, firstly boosting to 1/2 of the highest pressure and raising the temperature to 1/2 of the highest temperature under the pressure, and raising the pressure to the highest pressure under the temperature;
S4b, raising the temperature to the highest temperature under the highest pressure, and preserving heat and pressure for 0.1-48 hours under the highest temperature and the highest pressure;
S4c, cooling to 1000-1100 ℃ after the heat preservation and pressure maintaining are finished, then releasing pressure to 1/4 of the highest pressure, cooling to room temperature under the pressure, and finally releasing pressure to normal pressure.
Preferably, the highest pressure is a pressure of 4GPa and the highest temperature is 1600 ℃.
Preferably, the temperature is raised at a temperature raising rate of 3-50 ℃/min in the steps S4a and S4b, and the temperature is lowered to 1000-1100 ℃ at a temperature lowering rate of 50-100 ℃/min in the step S4c, and then the temperature is lowered to normal temperature at a temperature lowering rate of 3-50 ℃/min.
Preferably, the number of repetitions of step S3 is 1 to 5.
The invention has the beneficial effects that: the invention adopts powdery raw materials, no crushing is needed in the whole synthesis process, pollution is avoided, high pressure is adopted from the initial stage, the raw materials are convenient to melt, the components can be fused more uniformly, the synthesized product has higher hardness and more compact structure, the water is well evaporated at low temperature, bubbles are prevented from being remained in the final product due to the fact that the water is not evaporated and escapes, coke formation in sintering is further avoided due to the fact that the slow temperature rise is adopted in the temperature rise process, quality is not influenced due to excessive sintering of particles, the temperature reduction is also carried out at different temperature reduction speeds, and finally compact semitransparent jadeite crystals with various parameter standards of precious stone grade jade are obtained.
Drawings
FIG. 1 is a diagram of a polycrystalline jadeite synthesized in example 1 of the present invention;
FIG. 2 is an SEM image of a polycrystalline jadeite synthesized in example 1 of the present invention;
FIG. 3 is an XRD pattern of a polycrystalline jadeite synthesized in example 1 of the present invention;
Detailed Description
For the purpose of illustrating more clearly the objects, technical solutions and advantages of embodiments of the present invention, the present invention will be further described with reference to the following examples, and it is apparent that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
A method for synthesizing polycrystalline jadeite, which comprises the following powdery raw materials: aluminum silicate, sodium silicate, and silicon dioxide; the method comprises the following steps:
Example 1:
S1, weighing 32g of aluminum silicate, 24g of sodium silicate and 17.1g of silicon dioxide, respectively weighing the aluminum silicate and the sodium silicate, adding 0.7g of chromic oxide serving as a coloring agent, and mixing for 90min; at this time, the coloring agent may be any one or more of the following oxides of element Fe, mn, V, ti, ni, mg, co, cu, nd, lu, ce, sn, and different colors are finally formed according to the difference of the coloring agents, such as Cr 3+ for making jadeite green, mn 3+ for making jadeite purple, fe 2O3 for making jadeite red, and 2Fe 2O3·3H2 O for making jadeite yellow.
S2, heating the mixture obtained in the step S1 at a heating speed of 5 ℃ per minute under a pressure of 1GPa, preserving heat for 0.5 hours after heating to 150 ℃, continuously heating to 1300 ℃, sintering and melting for 12 hours, and cooling the melted sample to room temperature at a speed of 5 ℃ per minute to obtain a green micro-transparent or semitransparent amorphous jadeite block;
s3, sintering and melting the micro-transparent or semitransparent amorphous jadeite block obtained in the step S2 for 12 hours after the temperature is raised to 1500 ℃ at the temperature rising speed of 5 ℃/min under the pressure of 1GPa, cooling the melted sample to the room temperature at the speed of 10 ℃/min, and repeating the step for 4 times to obtain a compact transparent amorphous jadeite block;
And S4, preserving the heat of the transparent amorphous jadeite block obtained in the step S3 for 48 hours at the temperature of 1600 ℃ under the pressure of 4GPa, and then reducing the temperature and the pressure to normal temperature and normal pressure to obtain the semitransparent jadeite crystal.
The method comprises the following specific steps:
S4a, firstly boosting the pressure to 2GPa, heating the pressure at a heating rate of 10 ℃/min, heating the pressure to 800 ℃, and heating the pressure to 4GPa at the temperature;
s4b, raising the temperature to 1600 ℃ at the temperature raising speed of 10 ℃/min under the pressure of 4GPa, and preserving heat and pressure for 48 hours;
S4c, cooling to 1100 ℃ at a cooling speed of 80 ℃/min after the heat preservation and pressure maintaining are finished, then releasing pressure to 1GPa pressure, cooling to room temperature at a cooling speed of 10 ℃/min under the pressure, and finally releasing pressure to normal pressure.
The jadeite crystal prepared in this example is shown in fig. 1 to 3, and is a precious jades, the color of the jades is mostly green to emerald, the glass luster is high, the relative density is 3.26-3.38, the mohs hardness is 6.5-7.1, the refractive index measured by a spot measurement method is 1.67, and through XRD detection, the sample components are consistent with those of the natural jades, and the crystallinity is 98%; the scanning electron microscope is basically consistent with the cross section morphology of the natural jadeite on the detection result of the cross section morphology of the sample.
Example 2:
S1, weighing 32g of aluminum silicate, 24g of sodium silicate and 17.1g of silicon dioxide, respectively weighing the aluminum silicate, the sodium silicate and the silicon dioxide, adding 1.0g of chromic oxide serving as a coloring agent, and mixing for 100min.
S2, heating the mixture obtained in the step S1 at a heating speed of 5 ℃ per minute under a pressure of 2GPa, keeping the temperature for 1 hour after heating to 150 ℃, continuously heating to 1300 ℃, sintering and melting for 12 hours, and cooling the melted sample to room temperature at a speed of 5 ℃ per minute to obtain a green micro-transparent or semitransparent amorphous hard jade block;
S3, placing the micro-transparent or semitransparent amorphous jadeite block obtained in the step S2 into a high-temperature-resistant and high-pressure-resistant forming die, then heating the amorphous jadeite block and the forming die to 1500 ℃ at a heating rate of 5 ℃/min under the pressure of 2GPa, sintering and melting for 12 hours, cooling the melted sample to room temperature at a heating rate of 10 ℃/min, and repeating the step for 5 times to obtain a compact transparent amorphous jadeite block;
And S4, preserving the heat of the transparent amorphous jadeite block obtained in the step S3 for 48 hours at the temperature of 1600 ℃ under the pressure of 4GPa, and then reducing the temperature and the pressure to normal temperature and normal pressure to obtain the semitransparent jadeite crystal.
The method comprises the following specific steps: s4a, firstly boosting the pressure to 2GPa, heating the pressure at a heating rate of 10 ℃/min, heating the pressure to 800 ℃, and heating the pressure to 4GPa at the temperature;
s4b, raising the temperature to 1600 ℃ at the temperature raising speed of 10 ℃/min under the pressure of 4GPa, and preserving heat and pressure for 48 hours;
s4c, cooling to 1100 ℃ at a cooling speed of 100 ℃/min after the heat preservation and pressure maintaining are finished, then releasing pressure to 1GPa pressure, cooling to room temperature at a cooling speed of 10 ℃/min under the pressure, and finally releasing pressure to normal pressure.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (8)
1. The method for synthesizing the polycrystalline jadeite is characterized by comprising the following powdery raw materials: aluminum silicate, sodium silicate, and silicon dioxide; the method comprises the following steps:
s1, aluminum silicate, sodium silicate and silicon dioxide are mixed according to the molar ratio of aluminum silicate: sodium silicate: silica=1:1:1.5, respectively weighing, and simultaneously adding a coloring agent accounting for 0.01-3wt% of the total mass of the raw materials and mixing for 10-120 minutes;
S2, heating the mixture obtained in the step S1 at a heating speed of 3-50 ℃/min under a pressure of 0.1-5GPa, keeping the temperature for 0.5-1 hour after heating to 150 ℃, continuously heating to 1200-1800 ℃ and sintering and melting for 0.5-24 hours, and cooling the melted sample to room temperature at a speed of 3-50 ℃/min to obtain a micro-transparent or semitransparent amorphous jadeite block;
S3, heating the micro-transparent or semitransparent amorphous jadeite block obtained in the step S2 to 1200-1800 ℃ at the heating speed of 3-50 ℃/min under the pressure of 0.1-5GPa, sintering and melting for 0.5-24 hours, cooling the melted sample to room temperature at the speed of 3-50 ℃/min, and repeating the step for a plurality of times to obtain a compact transparent amorphous jadeite block;
And S4, preserving the heat of the transparent amorphous jadeite block obtained in the step S3 for 0.1-48 hours at the temperature of 1200-2000 ℃ under the pressure of 0.1-5GPa, and then reducing the temperature and the pressure to normal temperature and normal pressure to obtain the semitransparent jadeite crystal.
2. The method for synthesizing a polycrystalline emerald according to claim 1, wherein the coloring agent is any one or more of the following oxides of element Cr, fe, mn, V, ti, ni, mg, co, cu, nd, lu, ce, sn.
3. The method for synthesizing a polycrystalline jadeite according to claim 1, wherein in the step S3, the micro-transparent or semitransparent amorphous jadeite block obtained in the step S2 is placed in a mold and then sintered, melted and molded.
4. The method for synthesizing a polycrystalline emerald according to claim 1, wherein the temperature is raised at a temperature raising rate of 5 ℃/min in both the step S2 and the step S3, the temperature is lowered at a temperature lowering rate of 5 ℃/min in the step S2, the temperature is lowered at a temperature lowering rate of 10 ℃/min in the step S3, and the pressures in both the step S2 and the step S3 are 1 GPa.
5. The method for synthesizing a polycrystalline jadeite according to claim 1, wherein the specific steps of the step S4 are:
s4a, firstly boosting to 1/2 of the highest pressure and raising the temperature to 1/2 of the highest temperature under the pressure, and raising the pressure to the highest pressure under the temperature;
S4b, raising the temperature to the highest temperature under the highest pressure, and preserving heat and pressure for 0.1-48 hours under the highest temperature and the highest pressure;
S4c, cooling to 1000-1100 ℃ after the heat preservation and pressure maintaining are finished, then releasing pressure to 1/4 of the highest pressure, cooling to room temperature under the pressure, and finally releasing pressure to normal pressure.
6. The method for synthesizing a polycrystalline emerald according to claim 5, wherein the highest pressure is a pressure of 4GPa and the highest temperature is 1600 ℃.
7. The method of synthesizing a polycrystalline emerald according to claim 5, wherein the temperature is raised at a temperature raising rate of 3 to 50 ℃/min in the steps S4a and S4b, and the temperature is lowered to 1000 to 1100 ℃ at a temperature lowering rate of 50 to 100 ℃/min in the step S4c, and then to a normal temperature at a temperature lowering rate of 3 to 50 ℃/min.
8. The method for synthesizing a polycrystalline emerald according to claim 1, wherein the step S3 is repeated 1 to 5 times.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11240789A (en) * | 1998-02-26 | 1999-09-07 | Toyo Commun Equip Co Ltd | Apparatus for producing single crystal |
| CN1272145A (en) * | 1998-05-29 | 2000-11-01 | 东洋通信机株式会社 | Apparatus and method for manufacturing monocrystals, and monocrystal |
| CN105753466A (en) * | 2016-03-07 | 2016-07-13 | 四川大学 | Synthesis method of polycrystal jade under high pressure |
| CN107417301A (en) * | 2017-08-18 | 2017-12-01 | 晶科能源有限公司 | A kind of silicon nitride coating preparation method of quartz crucible for casting polycrystalline silicon ingot |
| CN111116206A (en) * | 2019-12-17 | 2020-05-08 | 中铭瓷(苏州)纳米粉体技术有限公司 | Preparation method of compact MoAlB ceramic material, product thereof and preparation method of high-purity MoAlB ceramic powder |
| CN111517772A (en) * | 2020-05-06 | 2020-08-11 | 吉林大学 | Method for preparing gem-grade mineral sintered body by large-cavity press |
-
2024
- 2024-01-22 CN CN202410090625.5A patent/CN117904714A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11240789A (en) * | 1998-02-26 | 1999-09-07 | Toyo Commun Equip Co Ltd | Apparatus for producing single crystal |
| CN1272145A (en) * | 1998-05-29 | 2000-11-01 | 东洋通信机株式会社 | Apparatus and method for manufacturing monocrystals, and monocrystal |
| CN105753466A (en) * | 2016-03-07 | 2016-07-13 | 四川大学 | Synthesis method of polycrystal jade under high pressure |
| CN107417301A (en) * | 2017-08-18 | 2017-12-01 | 晶科能源有限公司 | A kind of silicon nitride coating preparation method of quartz crucible for casting polycrystalline silicon ingot |
| CN111116206A (en) * | 2019-12-17 | 2020-05-08 | 中铭瓷(苏州)纳米粉体技术有限公司 | Preparation method of compact MoAlB ceramic material, product thereof and preparation method of high-purity MoAlB ceramic powder |
| CN111517772A (en) * | 2020-05-06 | 2020-08-11 | 吉林大学 | Method for preparing gem-grade mineral sintered body by large-cavity press |
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