RU2012121265A - Деталь малой толщины из термоструктурного композиционного материала и способ ее изготовления - Google Patents

Деталь малой толщины из термоструктурного композиционного материала и способ ее изготовления Download PDF

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RU2012121265A
RU2012121265A RU2012121265/03A RU2012121265A RU2012121265A RU 2012121265 A RU2012121265 A RU 2012121265A RU 2012121265/03 A RU2012121265/03 A RU 2012121265/03A RU 2012121265 A RU2012121265 A RU 2012121265A RU 2012121265 A RU2012121265 A RU 2012121265A
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multilayer
fabric
thickness
preform
multilayer fabric
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RU2529529C2 (ru
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Франсуа ШАРЛЁ
Доминик КУП
Эрик ФИЛИП
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Снекма Пропюльсьон Солид
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Abstract

1. Деталь из термоструктурного композиционного материала, содержащего волокнистый каркас из углеродных или керамических волокон, уплотненный матрицей, отличающаяся тем, что, по меньшей мере, в части детали:- толщина детали составляет меньше 2 мм,- волокнистый каркас образован единственной толщиной многослойной ткани, сформированной из рассредоточенных нитей, имеющих весовой номер, равный, по меньшей мере, 200 текс,- объемная доля волокон составляет от 25% до 45% и- отношение между числом слоев многослойной ткани и толщиной детали в миллиметрах равно, по меньшей мере, 4.2. Деталь по п.1, отличающаяся тем, что, по меньшей мере, в указанной части детали ее толщина составляет меньше 1 мм.3. Деталь по п.1 или 2, отличающаяся тем, что число слоев многослойной ткани составляет, по меньшей мере, 3.4. Деталь по п.1, отличающаяся тем, что многослойная ткань является тканью многослойного полотняного, многослойного саржевого или многослойного атласного переплетения.5. Деталь по п.1, отличающаяся тем, что матрица является, по меньшей мере, частично керамической.6. Деталь по п.5, являющаяся деталью заднего корпуса авиационного газотурбинного двигателя.7. Деталь по п.1, образующая, по меньшей мере, часть диффузора сопла ракетного двигателя.8. Способ изготовления детали из термоструктурного композиционного материала, включающий выполнение волокнистой преформы из углеродных или керамических волокон и уплотнение преформы матрицей,отличающийся тем, что для выполнения, по меньшей мере, одной части преформы, имеющей толщину меньше 2 мм:- используют многослойную ткань с нитями, имеющими весовой номер, равный, по меньшей мере, 200 текс,- подвергают ткань о

Claims (10)

1. Деталь из термоструктурного композиционного материала, содержащего волокнистый каркас из углеродных или керамических волокон, уплотненный матрицей, отличающаяся тем, что, по меньшей мере, в части детали:
- толщина детали составляет меньше 2 мм,
- волокнистый каркас образован единственной толщиной многослойной ткани, сформированной из рассредоточенных нитей, имеющих весовой номер, равный, по меньшей мере, 200 текс,
- объемная доля волокон составляет от 25% до 45% и
- отношение между числом слоев многослойной ткани и толщиной детали в миллиметрах равно, по меньшей мере, 4.
2. Деталь по п.1, отличающаяся тем, что, по меньшей мере, в указанной части детали ее толщина составляет меньше 1 мм.
3. Деталь по п.1 или 2, отличающаяся тем, что число слоев многослойной ткани составляет, по меньшей мере, 3.
4. Деталь по п.1, отличающаяся тем, что многослойная ткань является тканью многослойного полотняного, многослойного саржевого или многослойного атласного переплетения.
5. Деталь по п.1, отличающаяся тем, что матрица является, по меньшей мере, частично керамической.
6. Деталь по п.5, являющаяся деталью заднего корпуса авиационного газотурбинного двигателя.
7. Деталь по п.1, образующая, по меньшей мере, часть диффузора сопла ракетного двигателя.
8. Способ изготовления детали из термоструктурного композиционного материала, включающий выполнение волокнистой преформы из углеродных или керамических волокон и уплотнение преформы матрицей,
отличающийся тем, что для выполнения, по меньшей мере, одной части преформы, имеющей толщину меньше 2 мм:
- используют многослойную ткань с нитями, имеющими весовой номер, равный, по меньшей мере, 200 текс,
- подвергают ткань операции рассредоточения нитей таким образом, чтобы уменьшить толщину многослойной ткани, и
- выполняют часть преформы, сформированной единственной толщиной рассредоточенной ткани с отношением между числом слоев многослойной ткани и толщиной преформы в миллиметрах, равным, по меньшей мере, 4,
- при этом плотность переплетения многослойной ткани в процессе тканья выбирают такой, чтобы получать в волокнистой преформе объемную долю волокон от 25% до 45%.
9. Способ по п.8, отличающийся тем, что используют многослойную ткань, имеющую число слоев, равное, по меньшей мере, 3.
10. Способ по п.8, отличающийся тем, что многослойную ткань выполняют с переплетением типа многослойного полотняного, многослойного саржевого или многослойного атласного.
RU2012121265/03A 2009-10-30 2010-10-26 Деталь малой толщины из термоструктурного композиционного материала и способ ее изготовления RU2529529C2 (ru)

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