RU2013136299A - METHOD FOR PRODUCING SEALED ARTICLES FROM HEAT-RESISTANT COMPOSITE MATERIAL - Google Patents
METHOD FOR PRODUCING SEALED ARTICLES FROM HEAT-RESISTANT COMPOSITE MATERIAL Download PDFInfo
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- RU2013136299A RU2013136299A RU2013136299/05A RU2013136299A RU2013136299A RU 2013136299 A RU2013136299 A RU 2013136299A RU 2013136299/05 A RU2013136299/05 A RU 2013136299/05A RU 2013136299 A RU2013136299 A RU 2013136299A RU 2013136299 A RU2013136299 A RU 2013136299A
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- Prior art keywords
- carbon
- heat
- pores
- temperature
- carried out
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- 239000002131 composite material Substances 0.000 title claims abstract 5
- 238000004519 manufacturing process Methods 0.000 title claims abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract 12
- 238000000034 method Methods 0.000 claims abstract 10
- 239000011230 binding agent Substances 0.000 claims abstract 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract 6
- 239000000463 material Substances 0.000 claims abstract 6
- 239000011148 porous material Substances 0.000 claims abstract 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract 6
- 239000010703 silicon Substances 0.000 claims abstract 6
- 238000003763 carbonization Methods 0.000 claims abstract 4
- 238000009833 condensation Methods 0.000 claims abstract 4
- 230000005494 condensation Effects 0.000 claims abstract 4
- 238000005470 impregnation Methods 0.000 claims abstract 4
- 238000010438 heat treatment Methods 0.000 claims abstract 3
- 230000032683 aging Effects 0.000 claims abstract 2
- 239000003575 carbonaceous material Substances 0.000 claims abstract 2
- 230000003197 catalytic effect Effects 0.000 claims abstract 2
- 238000001816 cooling Methods 0.000 claims abstract 2
- 238000000280 densification Methods 0.000 claims abstract 2
- 239000012210 heat-resistant fiber Substances 0.000 claims abstract 2
- 239000007791 liquid phase Substances 0.000 claims abstract 2
- 239000011159 matrix material Substances 0.000 claims abstract 2
- 150000004767 nitrides Chemical class 0.000 claims abstract 2
- 239000002243 precursor Substances 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims abstract 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract 2
- 238000005475 siliconizing Methods 0.000 claims abstract 2
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- Ceramic Products (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
1. Способ изготовления герметичных изделий из термостойкого композиционного материала, включающий формование каркаса из жаростойких волокон, имеющих коэффициент линейного термического расширения, близкий к коэффициенту линейного термического расширения компонентов материала матрицы, уплотнение каркаса углеродсодержащим материалом с образованием заготовки из пористого углеродсодержащего композиционного материала и ее силицирование парожидкофазным методом путем нагрева, выдержки и охлаждения в парах кремния, отличающийся тем, что при уплотнении каркаса углеродсодержащим материалом каркас вначале пропитывают керамообразующим связующим, являющимся прекурсором нитрида и/или карбида кремния, формуют на их основе пластиковую заготовку при температуре отверждения связующего, термообрабатывают ее при конечной температуре 1300-1600°C, после чего в поры материала вводят углерод, а силицирование осуществляют путем капиллярной конденсации паров кремния в интервале температур 1300-1600°C и давления в реакторе не более 36 мм рт.ст. с последующей выдержкой при 1600-1700°C в течение 1-2 ч.2. Способ по п.1, отличающийся тем, что углерод вводят путем частичного уплотнения пироуглеродом, и/или путем пропитки коксообразующим связующим и карбонизации, и/или путем зауглероживания пор каталитическим углеродом.3. Способ по п.1, отличающийся тем, что капиллярную конденсацию паров кремния в процессе силицирования проводят при ступенчатом подъеме температуры с 1300 до 1600°C.4. Способ по п.1, отличающийся тем, что перед введением в поры материала углерода производят повторную пропитку керамообразующим связующим с последующим его отверждени�1. A method of manufacturing a sealed product from a heat-resistant composite material, comprising forming a skeleton of heat-resistant fibers having a coefficient of linear thermal expansion close to the coefficient of linear thermal expansion of the components of the matrix material, sealing the skeleton with a carbon-containing material to form a blank of a porous carbon-containing composite material and its silicification by vapor-liquid phase method by heating, aging and cooling in silicon vapor, characterized in that when compacting the framework with a carbon-containing material, the framework is first impregnated with a ceramic-forming binder, which is a precursor of nitride and / or silicon carbide, a plastic preform is formed on their basis at the curing temperature of the binder, it is heat treated at a final temperature of 1300-1600 ° C, after which carbon is introduced into the pores of the material, and silicification is carried out by capillary condensation of silicon vapor in the temperature range 1300-1600 ° C and a pressure in the reactor of not more than 36 mm Hg followed by exposure at 1600-1700 ° C for 1-2 hours. 2. The method according to claim 1, characterized in that the carbon is introduced by partial densification with pyrocarbon, and / or by impregnation with a coke-forming binder and carbonization, and / or by carbonization of the pores with catalytic carbon. The method according to claim 1, characterized in that the capillary condensation of silicon vapors during the siliconizing process is carried out with a stepwise rise in temperature from 1300 to 1600 ° C. The method according to claim 1, characterized in that before the introduction of carbon material into the pores, re-impregnation with a ceramic-forming binder is carried out, followed by curing
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2013136299/05A RU2552545C2 (en) | 2013-08-01 | 2013-08-01 | Method of producing sealed articles from heat resistant composites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2013136299/05A RU2552545C2 (en) | 2013-08-01 | 2013-08-01 | Method of producing sealed articles from heat resistant composites |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2013136299A true RU2013136299A (en) | 2015-03-10 |
| RU2552545C2 RU2552545C2 (en) | 2015-06-10 |
Family
ID=53279456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2013136299/05A RU2552545C2 (en) | 2013-08-01 | 2013-08-01 | Method of producing sealed articles from heat resistant composites |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2552545C2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2736194C1 (en) * | 2018-11-30 | 2020-11-12 | Акционерное общество "Уральский научно-исследовательский институт композиционных материалов" | Method for sealing articles from carbon-graphite materials |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2006493C1 (en) * | 1992-08-14 | 1994-01-30 | Уральский научно-исследовательский институт композиционных материалов | Method of treatment of porous articles |
| RU2084425C1 (en) * | 1992-12-30 | 1997-07-20 | Государственный научно-исследовательский институт конструкционных материалов на основе графита | Method of manufacturing articles from carbon-silicon carbide composite material and carbon-silicon carbide composite material |
| RU2337083C2 (en) * | 2006-06-07 | 2008-10-27 | Общество с ограниченной ответственностью "Научно-производственная фирма "Кераком" (ООО "НПФ "Кераком") | Method of production of fiber-reinforced carbon-silicon carbide composite material |
| RU2460707C1 (en) * | 2011-02-28 | 2012-09-10 | Бушуев Вячеслав Максимович | Method of making articles from carbon-silicon carbide material |
| RU2486163C2 (en) * | 2011-08-05 | 2013-06-27 | Вячеслав Максимович Бушуев | Method of making articles from ceramic-matrix composite material |
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2013
- 2013-08-01 RU RU2013136299/05A patent/RU2552545C2/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| RU2552545C2 (en) | 2015-06-10 |
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| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20180802 |