CN115742351A - High-elasticity sandwich structure static sealing material component and preparation method thereof - Google Patents
High-elasticity sandwich structure static sealing material component and preparation method thereof Download PDFInfo
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- CN115742351A CN115742351A CN202211377185.9A CN202211377185A CN115742351A CN 115742351 A CN115742351 A CN 115742351A CN 202211377185 A CN202211377185 A CN 202211377185A CN 115742351 A CN115742351 A CN 115742351A
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- 239000003566 sealing material Substances 0.000 title claims abstract description 31
- 230000003068 static effect Effects 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 131
- 239000004744 fabric Substances 0.000 claims abstract description 33
- 239000000919 ceramic Substances 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 90
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- 239000012792 core layer Substances 0.000 claims description 14
- 239000010453 quartz Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000009941 weaving Methods 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052863 mullite Inorganic materials 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 229920002050 silicone resin Polymers 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 10
- 238000007906 compression Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 4
- 239000002356 single layer Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 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 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012775 heat-sealing material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a high-elasticity sandwich structure static sealing material component and a preparation method thereof, belonging to the technical field of high-temperature sealing. The method comprises the following steps of constructing a multilayer sandwich layer structure of 'a sandwich layer reinforcing wire/a ceramic fiber net tire layer/a fiber cloth layer/a metal wire layer/a ceramic fiber sheath', forming a low-density fiber fluffy layer after the ceramic fiber net tire is wound, and forming a higher-density fiber compact layer by winding a fiber cloth, wherein the structure has a gradient density distribution compression-resistant and high-resilience fiber structure layer; the metal wire layer plays a role in bearing the upper part and the lower part, on one hand, the inner layer is fixedly coated, and the resilience tension of the fiber layer is received; the metal is plastically and elastically deformed to form an outward high-resilience framework layer; the ceramic fiber sheath layer plays a role in protecting and coating the outermost layer, and a complete elastic sealing material is constructed by the two internal resilience structure layers. The multilayer materials are mutually wound and constrained to form a radial high-elasticity mechanical synergistic effect, and the materials are endowed with high resilience along the diameter direction.
Description
Technical Field
The invention relates to a high-elasticity sandwich structure static sealing material component and a preparation method thereof, belonging to the technical field of high-temperature sealing.
Background
With the increasing speed of aviation and aerospace aircrafts, the external thermal environment of the aircrafts becomes severe, conventional rubber materials are difficult to bear high temperature, and high-elasticity static sealing materials are required to be adopted for special matching structures such as aircraft structure butt joint surfaces, various cover cap frames, installation gaps and the like. The traditional organic rubber material and aramid fiber/carbon fiber composite sealing material have good high elasticity and sealing performance, but cannot meet the use requirement in an environment with the temperature of more than 600 ℃. Although the conventional inorganic fiber woven material can meet the use requirement in terms of temperature resistance, the conventional inorganic fiber woven material has poor rebound resilience, cannot recover the size after compression, and is easy to cause problems of heat leakage and the like. Therefore, the high-performance high-Mach aircraft puts forward the high-temperature-resistant high-resilience heat sealing requirement, and the technical problem of preparing the high-reliability, high-temperature-resistant and high-resilience heat sealing material component is solved. In view of this, a preparation method of a static sealing material component with a high-elasticity sandwich structure is provided.
Disclosure of Invention
In order to solve the problems of the prior art, the invention provides a high-elasticity sandwich structure static sealing material component and a preparation method thereof.
A preparation method of a static sealing material component with a high-elasticity sandwich structure comprises the following steps:
(1) One of quartz fiber, alumina fiber, mullite fiber and stainless steel wire is used for manufacturing a core layer reinforcing wire;
(2) Spraying a binder on the surface of the core layer reinforcing wire, then winding the core layer reinforcing wire layer by using a ceramic fiber net tire, winding a ceramic fiber net tire layer with a preset thickness, and forming a fiber sandwich layer by the core layer reinforcing wire and the ceramic fiber net tire layer;
(3) Winding fiber cloth on the surface of the fiber sandwich layer, and controlling the number of winding layers to obtain a fiber cloth layer;
(4) Winding and fixing the metal wire on the surface of the fiber cloth layer in an inclined ring mode according to a preset interval to manufacture a metal wire layer, and forming the fiber sandwich layer with a roll layer by the fiber sandwich layer, the fiber cloth layer and the metal wire layer;
(5) And taking the fiber sandwich layer with the roll layer as a weaving template, and weaving a ceramic fiber sheath with a preset thickness on the surface of the fiber sandwich layer on line to finally prepare the high-elasticity sandwich structure static sealing material component.
Preferably, the binder is one of polyvinyl alcohol, polyethylene glycol, epoxy resin, silicone resin, phenolic resin and the like; the concentration of the adhesive is 0.1-2 wt%.
Preferably, the ceramic fiber net tire is one of a quartz fiber net tire, an alumina silicate fiber net tire and the like; the thickness of the ceramic fiber net tire layer is not more than 0.2mm.
Preferably, the diameter of the fiber sandwich layer is 1-30 mm; the fiber sandwich layer accounts for 5-20% of the volume of the whole static sealing material component with the high-elasticity sandwich structure.
Preferably, the fiber cloth is one of quartz fiber cloth, alumina fiber cloth and aluminum silicate fiber cloth, and the thickness of the fiber cloth is 0.1-0.3 mm; the number of the fiber cloth winding layers is 1-10.
Preferably, the metal wire is one of stainless steel fiber wire, titanium alloy fiber wire and nickel-based alloy fiber wire; the diameter of the metal wire is 0.05-0.25 mm; the winding distance of the metal wire inclined ring is 3-15 mm.
Preferably, the ceramic fiber sheath is made of one of quartz fiber, alumina fiber and mullite fiber; the thickness of the fiber sheath is 5% -20% of the diameter of the fiber sandwich layer with the roll layer.
A static sealing material component with a high-elasticity sandwich structure is prepared by the method.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention provides a preparation method of a high-elasticity sandwich structure static sealing material component, which designs a multilayer sandwich structure of 'a sandwich layer reinforcing wire/a ceramic fiber net tire layer/a fiber cloth layer/a metal wire layer/a ceramic fiber sheath', wherein the sandwich layer reinforcing wire is used as a central base line, a low-density fiber fluffy layer is formed after the ceramic fiber net tire is wound, a fiber cloth is wound to form a higher-density fiber compact layer, and the structure has a gradient density distribution compression-resistant and high-resilience fiber structure layer; the metal wire layer plays a role in bearing the upper part and the lower part, on one hand, the inner layer is fixedly coated, and the resilience tension of the fiber layer is received; in addition, the metal has plastic elasticity to form an outward high-resilience framework layer; the ceramic fiber sheath layer plays a role in protecting and coating the outermost layer, and a complete elastic sealing material is constructed by the two internal resilience structure layers. The multilayer materials are mutually wound and constrained to form a radial high-elasticity mechanical synergistic effect, so that the multilayer materials have high resilience along the diameter direction, have good integrity and stable and reliable structure, and can be applied to various heat sealing parts such as gap type parts, butt joint surfaces and the like.
(2) The heat sealing component has the characteristics of high temperature resistance, high resilience, high reliability, simple process and the like, and through experimental tests of the following embodiments, the room temperature resilience rate is up to more than 94%, the resilience rate at 1000 ℃ is up to more than 90%, the room temperature resilience rate after 50 times of repeated compression is up to more than 90%, the performance is far better than that of the existing similar components, and the heat sealing component is a high-temperature static sealing material component with excellent performance.
(3) The high-temperature static sealing material has strong design applicability, and can be prepared into different diameters; the preparation method has the characteristics of simple process, short preparation period, low cost and high speed, and has general popularization value.
Drawings
FIG. 1 is a schematic structural diagram of a static sealing material component of a high-elasticity sandwich structure prepared by the invention.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
Example 1
The embodiment provides a preparation method of a static sealing material component with a high-elasticity sandwich structure, which is prepared according to the following method,
(1) A quartz fiber was used as the core reinforcing wire.
(2) Spraying polyvinyl alcohol binder with the concentration of 0.1wt% on the surface of the core layer reinforcing wire, and winding a single-layer alumina fiber net tire with the thickness not more than 0.2mm layer by layer to form a fiber sandwich layer with the diameter of 1mm and the volume fraction of 15%.
(3) And 2 layers of alumina silicate fiber cloth with the thickness of 0.1mm are wound on the surface layer of the fiber sandwich layer to obtain the fiber cloth layer.
(4) Use of
And (4) the nickel-based alloy wires are wound and fixed in an inclined ring mode on the outer surface of the obtained fiber cloth layer according to the distance of 6mm to prepare the fiber sandwich layer with the roll layer.
(5) And taking the fiber sandwich layer as a weaving template, and weaving a quartz fiber sheath with the thickness of 20 percent of the diameter of the fiber sandwich layer on line to finally prepare the high-elasticity sandwich structure static sealing material component.
And (3) product performance testing: the rebound rates (compression amount is 20%) of the high-elasticity sandwich structure static sealing material component prepared by the method at room temperature and 1000 ℃ are respectively 98% and 91%, and the rebound rate at room temperature after 50 times of repeated compression is 95%.
Example 2
The embodiment provides a preparation method of a static sealing material component with a high-elasticity sandwich structure, which is prepared according to the following method,
(1) One alumina fiber was used as the core reinforcing thread.
(2) Polyethylene glycol binder with the concentration of 1wt% is sprayed on the surface of the core layer reinforcing wire, and a single-layer quartz fiber net blank with the thickness not more than 0.2mm is used for winding layer by layer to form a fiber core layer with the diameter of 10mm and the volume fraction of 5%.
(3) And winding 5 layers of quartz fiber cloth with the thickness of 0.2mm on the surface layer of the fiber sandwich layer to obtain the fiber cloth layer.
(4) Use of
And (3) winding and fixing the stainless steel fiber wires on the outer surface of the obtained fiber cloth layer in an inclined ring mode according to the distance of 3mm to prepare the fiber sandwich layer with the roll layer.
(5) Taking the fiber sandwich layer as a weaving template, weaving an alumina fiber sheath with the thickness of 10 percent of the diameter of the fiber sandwich layer on line, and finally preparing the high-elasticity sandwich structure static sealing material component.
And (3) product performance testing: the rebound rates (compression amount is 20%) of the high-elasticity sandwich structure static sealing material component prepared by the method at room temperature and 1000 ℃ are respectively 96% and 90%, and the rebound rate at room temperature after 50 times of repeated compression is 94%.
Example 3
The embodiment provides a preparation method of a static sealing material component with a high-elasticity sandwich structure, which is prepared according to the following method,
(1) A mullite fiber is used as the core reinforcing thread.
(2) And (3) spraying epoxy resin adhesive with the concentration of 2wt% on the surface of the core layer reinforcing wire, and winding layer by using an aluminum silicate fiber net tire with the single-layer thickness of not more than 0.2mm to form a fiber core layer with the diameter of 30mm and the volume fraction of 20%.
(3) And winding 10 layers of alumina fiber cloth with the thickness of 0.3mm on the surface layer of the fiber sandwich layer to obtain the fiber cloth layer.
(4) Use of
And (3) winding and fixing the titanium alloy fiber filaments on the outer surface of the obtained fiber cloth layer in an inclined ring mode according to the distance of 15mm to prepare the fiber sandwich layer with the roll layer.
(5) And taking the fiber sandwich layer as a weaving template, and weaving a mullite fiber sheath with the thickness of 5 percent of the diameter of the fiber sandwich layer on line to finally prepare the high-elasticity sandwich structure static sealing material component.
And (3) product performance testing: the rebound rates (compression amount is 20%) of the high-elasticity sandwich structure static sealing material component prepared by the method at room temperature and 1000 ℃ are respectively 95% and 90%, and the rebound rate at room temperature after 50 times of repeated compression is 94%.
The invention has not been described in detail and is in part known to those of skill in the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The preparation method of the static sealing material component with the high-elasticity sandwich structure is characterized by comprising the following steps of:
(1) One of quartz fiber, alumina fiber, mullite fiber and stainless steel wire is used for manufacturing the core layer reinforcing wire;
(2) Spraying a binder on the surface of the core layer reinforcing wire, then winding the core layer reinforcing wire layer by using a ceramic fiber net tire, winding a ceramic fiber net tire layer with a preset thickness, and forming a fiber sandwich layer by the core layer reinforcing wire and the ceramic fiber net tire layer;
(3) Winding fiber cloth on the surface of the fiber sandwich layer, and controlling the number of winding layers to obtain a fiber cloth layer;
(4) Winding and fixing the metal wire on the surface of the fiber cloth layer in an inclined ring mode according to a preset interval to manufacture a metal wire layer, and forming the fiber sandwich layer with a roll layer by the fiber sandwich layer, the fiber cloth layer and the metal wire layer;
(5) And taking the fiber sandwich layer with the roll layer as a weaving template, and weaving a ceramic fiber sheath with a preset thickness on the surface of the fiber sandwich layer on line to finally prepare the high-elasticity sandwich structure static sealing material component.
2. The method of claim 1, wherein the binder is one of polyvinyl alcohol, polyethylene glycol, epoxy resin, silicone resin, phenolic resin, or the like; the concentration of the adhesive is 0.1-2 wt%.
3. The method of claim 1, wherein the ceramic fiber mesh is one of a quartz fiber mesh, an alumina silicate fiber mesh, or the like; the thickness of the ceramic fiber net tire layer is not more than 0.2mm.
4. The method of claim 1, wherein the fiber core layer has a diameter of 1 to 30mm; the fiber sandwich layer accounts for 5-20% of the volume of the whole static sealing material component with the high-elasticity sandwich structure.
5. The method as claimed in claim 1, wherein the fiber cloth is one of quartz fiber cloth, alumina fiber cloth, and alumina silicate fiber cloth, and the thickness of the fiber cloth is 0.1 to 0.3mm.
6. The method according to claim 1 or 5, wherein the fiber cloth is wound in a number of layers of 1 to 10.
7. The method of claim 1, wherein the metal wire is one of stainless steel fiber wire, titanium alloy fiber wire, nickel base alloy fiber wire; the diameter of the metal wire is 0.05-0.25 mm.
8. The method of claim 1 or 7, wherein the pitch of the inclined wire turns is 3 to 15mm.
9. The method of claim 1, wherein the ceramic fiber sheath is made of one of quartz fiber, alumina fiber, and mullite fiber; the thickness of the fiber sheath is 5% -20% of the diameter of the fiber sandwich layer with the roll layer.
10. A highly elastic sandwich structure static sealing material member, characterized in that it is prepared by the method of any one of claims 1 to 9.
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| CN202211377185.9A CN115742351A (en) | 2022-11-04 | 2022-11-04 | High-elasticity sandwich structure static sealing material component and preparation method thereof |
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| CN202211377185.9A CN115742351A (en) | 2022-11-04 | 2022-11-04 | High-elasticity sandwich structure static sealing material component and preparation method thereof |
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|---|---|---|---|---|
| US20040052694A1 (en) * | 2000-10-17 | 2004-03-18 | Yoshio Nishikawa | Holding seal material for catalytic converter and method of manufacturing the holding and seal material |
| CN109023721A (en) * | 2018-10-23 | 2018-12-18 | 昆山吉美川纤维科技有限公司 | A kind of preparation method and fiber mat of density gradient fiber mat |
| CN110043665A (en) * | 2019-04-30 | 2019-07-23 | 哈尔滨工业大学 | A kind of heat seal structure and its assemble method suitable for hot environment |
| CN110318158A (en) * | 2019-07-25 | 2019-10-11 | 航天特种材料及工艺技术研究所 | A kind of high temperature dynamic sealing material and preparation method thereof |
| CN110686080A (en) * | 2019-10-22 | 2020-01-14 | 江西瑞金金字电线电缆有限公司 | High-temperature-resistant sealing element formed by compounding quartz fibers and metal |
| CN112342659A (en) * | 2020-11-04 | 2021-02-09 | 上海榕融新材料科技有限公司 | High-temperature-resistant alumina continuous fiber composite wire and preparation method thereof |
-
2022
- 2022-11-04 CN CN202211377185.9A patent/CN115742351A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040052694A1 (en) * | 2000-10-17 | 2004-03-18 | Yoshio Nishikawa | Holding seal material for catalytic converter and method of manufacturing the holding and seal material |
| CN109023721A (en) * | 2018-10-23 | 2018-12-18 | 昆山吉美川纤维科技有限公司 | A kind of preparation method and fiber mat of density gradient fiber mat |
| CN110043665A (en) * | 2019-04-30 | 2019-07-23 | 哈尔滨工业大学 | A kind of heat seal structure and its assemble method suitable for hot environment |
| CN110318158A (en) * | 2019-07-25 | 2019-10-11 | 航天特种材料及工艺技术研究所 | A kind of high temperature dynamic sealing material and preparation method thereof |
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