CN201864672U - Bidirectional liquid-phase siliconizing graphite tool - Google Patents
Bidirectional liquid-phase siliconizing graphite tool Download PDFInfo
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- CN201864672U CN201864672U CN2010206213884U CN201020621388U CN201864672U CN 201864672 U CN201864672 U CN 201864672U CN 2010206213884 U CN2010206213884 U CN 2010206213884U CN 201020621388 U CN201020621388 U CN 201020621388U CN 201864672 U CN201864672 U CN 201864672U
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- crucible
- graphite
- charging crucible
- charging
- siliconize
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Abstract
The utility model discloses a bidirectional liquid-phase siliconizing graphite tool which comprises an upper loading crucible arranged at the top end of a processed workpiece and a lower loading crucible arranged at the bottom end of the processed workpiece, wherein a plurality of material outlets are arranged in the bottom of the upper loading crucible, and a porous support matched with the lower loading crucible is arranged between the bottom end of the processed workpiece and solid silicon material in the lower loading crucible. The bidirectional liquid-phase siliconizing graphite tool is simple in structure, reasonable in design and convenient and fast to operate, improves the efficiency of siliconizing, enables the silicon material to be settled uniformly in the workpiece, avoids the crack of the processed workpiece, and is good in application effect and convenient to promote and use.
Description
Technical field
The utility model relates to a kind of siliconize graphite and prepares frock, especially relates to a kind of two-way liquid phase siliconize graphite frock.
Background technology
Siliconize graphite is meant the based composite material of carbon with certain thickness silicon carbide/silicon coating.Because siliconize graphite possesses the dual performance of carbon graphite material and carbofrax material, have characteristics such as excellent thermal characteristics, electrical property and anti-oxidant, resistance to chemical attack, be widely used in fields such as chemical industry, metallurgy and aerospace and nuclear industry.
Siliconize graphite generally has three kinds of preparation methods: chemical Vapor deposition process, chemical gas-phase reaction method and liquid silicon infiltration reaction method etc.Wherein liquid silicon infiltration reaction method is with advantages such as its low cost, once shapeds and be widely studied, but, tradition liquid silicon infiltration reaction method adopts the liquid silicon infiltration reaction of single direction, often causes phenomenons such as the workpiece deposition is inhomogeneous, workpiece is easy to crack, influences the preparation efficiency and the yield rate of workpiece.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of two-way liquid phase siliconize graphite frock is provided, it is simple in structure, reasonable in design, simple operation has improved ihrigizing efficiency, silicon material deposition evenly in the workpiece, avoided the cracking of processing work, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of two-way liquid phase siliconize graphite frock, it is characterized in that: comprise being arranged on the vertical following charging crucible of going up the charging crucible and being arranged on the processing work bottom of processing work, the described crucible bottom that goes up the charging crucible is provided with a plurality of discharge holes, described processing work bottom be contained in down the charging crucible in the solid silicon material between be provided with the porous support that matches with following charging crucible.
Above-mentioned two-way liquid phase siliconize graphite frock, the described sidewall of crucible of going up the charging crucible radially extends 5cm-20cm downwards from the crucible bottom of last charging crucible.
Above-mentioned two-way liquid phase siliconize graphite frock, described charging crucible, following charging crucible and the porous support gone up processes by graphite material.
Above-mentioned two-way liquid phase siliconize graphite frock, the described charging crucible of going up processes by high purity graphite with following charging crucible.
Above-mentioned two-way liquid phase siliconize graphite frock, described porous support is processed by electrode graphite.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design: the utility model constitutes with the following charging crucible that is arranged on the processing work bottom by being arranged on the vertical charging crucible of going up of processing work, and the crucible bottom at last charging crucible is provided with a plurality of discharge holes, processing work bottom and be contained in down between the solid silicon material in the charging crucible and be provided with porous support, realized two-way siliconising, simple in structure and novel in design reasonable, simple operation.
2, improved ihrigizing efficiency: the utility model adopts upward feed crucible and following charging crucible that processing work is carried out two-way siliconising, has realized the fast deposition and the reaction of liquid-phase silicone material, has improved ihrigizing efficiency greatly, has saved the preparation time of siliconize graphite.
3, silicon material deposition is even in the workpiece, avoided the cracking of processing work: the utility model is by being provided with porous support in the processing work bottom and under being contained between the solid silicon material in the charging crucible, it is more even to make that the liquid-phase silicone material deposits in processing work, avoided effectively that excessive silicon remains in the processing work in the liquid-phase silicone material deposition process, the processing work cracking that does not match and cause owing to material thermal expansion coefficient.
4, result of use is good, is convenient to promote the use of: the utility model efficiently solves workpiece deposition problem inhomogeneous and easy to crack in the existing single direction liquid silicon infiltration process, prepares siliconize graphite efficient height, quality is good; The sidewall of crucible of last charging crucible radially extends 5cm-20cm downwards from the crucible bottom of last charging crucible, can be better fixing processing work; Low cost of manufacture of the present utility model, flexible and convenient to use, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Description of reference numerals:
The last charging of 1-crucible; The 2-processing work; Charging crucible under the 3-;
The 4-porous support; 5-solid silicon material.
Embodiment
As shown in Figure 1, the utility model comprises the following charging crucibles 3 that are arranged on processing work 2 vertical upward charging crucibles 1 and are arranged on processing work 2 bottoms, the described crucible bottom that goes up charging crucible 1 is provided with a plurality of discharge holes, described processing work 2 bottoms be contained in down charging crucible 3 in solid silicon material 5 between be provided with the porous support 4 that matches with following charging crucible 3, by porous support 4 is set, it is more even to make that the liquid-phase silicone material deposits in processing work 2, avoided effectively that excessive silicon remains in the processing work 2 in the liquid-phase silicone material deposition process, processing work 2 crackings that do not match and cause owing to material thermal expansion coefficient.
As shown in Figure 1, in the present embodiment, the described sidewall of crucible of going up charging crucible 1 radially extends 5cm-20cm downwards from the crucible bottom of last charging crucible 1, development length gets final product according to the difference of last charging crucible 1 size and different the setting flexibly of processing work 2 sizes, is used for better fixedly processing work 2.Describedly go up charging crucible 1, charging crucible 3 and porous support 4 process by graphite material down.Described charging crucible 1 and the following charging crucible 3 gone up processes by high purity graphite.Described porous support 4 is processed by electrode graphite.In the actual use, difference according to processing work 2, last charging crucible 1 and following charging crucible 3 can be for circular or square, the shape of porous support 4 and size match with the shape and the size of following charging crucible 3, and the diameter that is arranged on hole on the diameter of discharge hole of crucible bottom of the crucible 1 of feeding and the porous support 4 all is provided with according to the process requirements of processing work 2.
Adopt two-way liquid phase siliconize graphite frock described in the utility model to prepare siliconize graphite, at first, under an amount of solid silicon material 5 of packing in the crucible 3 of feeding, then porous support 4 is positioned over down on the solid silicon material 5 in the charging crucible 3, then processing work to be processed 2 is positioned on the porous support 4, to go up charging crucible 1 again and be positioned on the processing work 2 and an amount of solid silicon material 5 of packing in last charging crucible 1, preparation work is finished; In the heat-processed of preparation, solid silicon material 5 liquefaction back gravitates in the last charging crucible 1 are penetrated in the processing work 2 by a plurality of discharge holes that are arranged on charging crucible 1 crucible bottom downwards and react, solid silicon material 5 in the following charging crucible 3 is subjected to capillary force upwards to be penetrated in the processing work 2 by porous support 4 and reacts, by adopting charging crucible 1 and 3 pairs of processing works of following charging crucible 2 to carry out two-way siliconising, the fast deposition and the reaction of liquid-phase silicone material have been realized, improve ihrigizing efficiency greatly, saved the preparation time of siliconize graphite.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (5)
1. two-way liquid phase siliconize graphite frock, it is characterized in that: comprise being arranged on the vertical following charging crucible (3) of going up charging crucible (1) and being arranged on processing work (2) bottom of processing work (2), the described crucible bottom that goes up charging crucible (1) is provided with a plurality of discharge holes, described processing work (2) bottom be contained in down charging crucible (3) in solid silicon material (5) between be provided with the porous support (4) that matches with following charging crucible (3).
2. according to the described two-way liquid phase siliconize graphite frock of claim 1, it is characterized in that: the described sidewall of crucible of going up charging crucible (1) radially extends 5cm-20cm downwards from the crucible bottom of last charging crucible (1).
3. according to the described two-way liquid phase siliconize graphite frock of claim 1, it is characterized in that: described charging crucible (1), following charging crucible (3) and the porous support (4) gone up processes by graphite material.
4. according to the described two-way liquid phase siliconize graphite frock of claim 3, it is characterized in that: described upward charging crucible (1) and following charging crucible (3) process by high purity graphite.
5. according to the described two-way liquid phase siliconize graphite frock of claim 3, it is characterized in that: described porous support (4) is processed by electrode graphite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206213884U CN201864672U (en) | 2010-11-24 | 2010-11-24 | Bidirectional liquid-phase siliconizing graphite tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206213884U CN201864672U (en) | 2010-11-24 | 2010-11-24 | Bidirectional liquid-phase siliconizing graphite tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201864672U true CN201864672U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206213884U Expired - Lifetime CN201864672U (en) | 2010-11-24 | 2010-11-24 | Bidirectional liquid-phase siliconizing graphite tool |
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| Country | Link |
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| CN (1) | CN201864672U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522487A (en) * | 2017-07-07 | 2017-12-29 | 中国人民解放军国防科学技术大学 | Graphite material with SiC doped layers and preparation method thereof |
| CN109176832A (en) * | 2018-08-03 | 2019-01-11 | 深圳勒迈科技有限公司 | Siliconising tooling |
-
2010
- 2010-11-24 CN CN2010206213884U patent/CN201864672U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522487A (en) * | 2017-07-07 | 2017-12-29 | 中国人民解放军国防科学技术大学 | Graphite material with SiC doped layers and preparation method thereof |
| CN107522487B (en) * | 2017-07-07 | 2020-02-18 | 中国人民解放军国防科学技术大学 | Graphite material with SiC doped layer and preparation method thereof |
| CN109176832A (en) * | 2018-08-03 | 2019-01-11 | 深圳勒迈科技有限公司 | Siliconising tooling |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110615 |
|
| CX01 | Expiry of patent term |