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RU2011112480A - Оболочка ядерного топива с высокой удельной теплопроводностью и способ ее производства - Google Patents

Оболочка ядерного топива с высокой удельной теплопроводностью и способ ее производства Download PDF

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Publication number
RU2011112480A
RU2011112480A RU2011112480/07A RU2011112480A RU2011112480A RU 2011112480 A RU2011112480 A RU 2011112480A RU 2011112480/07 A RU2011112480/07 A RU 2011112480/07A RU 2011112480 A RU2011112480 A RU 2011112480A RU 2011112480 A RU2011112480 A RU 2011112480A
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Russia
Prior art keywords
nuclear fuel
specified
matrix
shell according
fuel shell
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RU2011112480/07A
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English (en)
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RU2504030C2 (ru
Inventor
Жульен КАБРЕРО (FR)
Жульен КАБРЕРО
Рене ПЕЛЛЕР (FR)
Рене ПЕЛЛЕР
Фабьен ОДЮБЕР (FR)
Фабьен ОДЮБЕР
Original Assignee
Коммиссариа А Л'Энержи Атомик Э Оз Энержи Альтернатив (Fr)
Коммиссариа А Л'Энержи Атомик Э Оз Энержи Альтернатив
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  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

1. Оболочка ядерного топлива, полностью или частично изготовленная из композиционного материала на керамической матрице, включающего карбид кремния SiC, волокна в качестве армирования для указанной матрицы и межфазовый слой, предусмотренный между указанной матрицей и указанными волокнами, при этом указанная матрица содержит, по меньшей мере, один карбид, выбранный из карбида титана TiC, карбида циркония ZrC или тройного карбида титана-кремния Ti3SiC2. ! 2. Оболочка ядерного топлива по п.1, где указанная матрица дополнительно содержит карбид кремния SiC. ! 3. Оболочка ядерного топлива по п.2, где указанный карбид кремния SiC составляет менее 25% по объему указанной матрицы. ! 4. Оболочка ядерного топлива по п.3, где указазнный карбид кремния SiC составляет менее 10% по объему указанной матрицы. ! 5. Оболочка ядерного топлива по п.3, где указанный карбид кремния SiC составляет между 5% и 15% по объему указанной матрицы. ! 6. Оболочка ядерного топлива по п.1, где указанная матрица имеет столбчатую микроструктуру. ! 7. Оболочка ядерного топлива по п.1, где указанные волокна полностью или частично упорядочены. ! 8. Оболочка ядерного топлива по п.1, где указанный межфазовый слой полностью или частично состоит из соединения, содержащего несколько наложенных слоев. ! 9. Оболочка ядерного топлива по п.1, где указанный межфазовый слой имеет среднюю толщину в диапазоне между 10 нм и 500 нм. ! 10. Оболочка ядерного топлива по п.1, где указанный композиционный материал имеет пористость 10% по объему или менее. ! 11. Способ производства оболочки ядерного топлива по любому из пп.1-10, включающий приготовление указанного композиционного материала согласно следующим пос

Claims (15)

1. Оболочка ядерного топлива, полностью или частично изготовленная из композиционного материала на керамической матрице, включающего карбид кремния SiC, волокна в качестве армирования для указанной матрицы и межфазовый слой, предусмотренный между указанной матрицей и указанными волокнами, при этом указанная матрица содержит, по меньшей мере, один карбид, выбранный из карбида титана TiC, карбида циркония ZrC или тройного карбида титана-кремния Ti3SiC2.
2. Оболочка ядерного топлива по п.1, где указанная матрица дополнительно содержит карбид кремния SiC.
3. Оболочка ядерного топлива по п.2, где указанный карбид кремния SiC составляет менее 25% по объему указанной матрицы.
4. Оболочка ядерного топлива по п.3, где указазнный карбид кремния SiC составляет менее 10% по объему указанной матрицы.
5. Оболочка ядерного топлива по п.3, где указанный карбид кремния SiC составляет между 5% и 15% по объему указанной матрицы.
6. Оболочка ядерного топлива по п.1, где указанная матрица имеет столбчатую микроструктуру.
7. Оболочка ядерного топлива по п.1, где указанные волокна полностью или частично упорядочены.
8. Оболочка ядерного топлива по п.1, где указанный межфазовый слой полностью или частично состоит из соединения, содержащего несколько наложенных слоев.
9. Оболочка ядерного топлива по п.1, где указанный межфазовый слой имеет среднюю толщину в диапазоне между 10 нм и 500 нм.
10. Оболочка ядерного топлива по п.1, где указанный композиционный материал имеет пористость 10% по объему или менее.
11. Способ производства оболочки ядерного топлива по любому из пп.1-10, включающий приготовление указанного композиционного материала согласно следующим последовательным этапам:
a) изготавливают волоконную предварительную форму из указанных волокон,
b) наносят указанный межфазовый слой посредством химической паровой инфильтрации на указанную предварительную форму,
c) наносят указанную матрицу посредством химической паровой инфильтрации на указанную предварительную форму, покрытую указанным межфазовым слоем.
12. Способ производства по п.11, где указанную химическую паровую инфильтрацию этапа с) осуществляют применяя смесь исходных веществ, содержащую
i) по меньшей мере, одно соединение, выбранное из соединения на основе титана, циркония или кремния,
ii) ii) углеводород и
iii) iii) водород.
13. Способ производства по п.12, где:
- указанное соединение титана является, по меньшей мере, одним соединением, выбранным из TiCl4, TiBr4 или Тi[СН2С(СН3)3]4,
- указанное соединение циркония является, по меньшей мере, одним соединением, выбранным из ZrCl4, ZrBr4 или Zr[СН2С(СН3)3]4,
- указанное соединение кремния является, по меньшей мере, одним соединением, выбранным из SiCl4, SiH2Cl4 или СН3SiСl3.
14. Способ производства по п.12, где указанный углеводород является, по меньшей мере, одним соединением, выбранным из ССl4Н2, СН4, С4Н10 или С3Н8.
15. Способ производства по любому из п.11, где, по меньшей мере, одна из химических паровых инфильтраций является инфильтрацией импульсного типа.
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