JP7367020B2 - 軽水炉運転中のSiC被覆管を沈静化させるための被膜及び表面改質 - Google Patents
軽水炉運転中のSiC被覆管を沈静化させるための被膜及び表面改質 Download PDFInfo
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Description
本発明は、DE-NE0008800、DE-NE0008300、及びDE-NE0008222の下で、エネルギー省(DOE)によって授与された米国政府の支援によってなされた。米国政府は、本発明の一定の権利を有する。
本出願は、2018年11月20日に出願された米国実用特許出願第16/196,005号からの優先権を主張し、その開示は、参照により本明細書に組み込まれる。
SiC(s)+4H2O(aq)→SiO2(s)+4H2(g)+CO2(g)(1)
SiO2(s)+2H2O(aq)→Si(OH)4(aq) (2)
Claims (6)
- 軽水型原子炉の複合炭化ケイ素被覆管であって、
炭化ケイ素セラミック基複合材料を含む炭化ケイ素基材(21)であって、外面(25)を有する前記炭化ケイ素基材(21)で形成された内層と、
前記炭化ケイ素基材(21)の前記外面(25)に施された被膜と、を備え、
前記被膜は、
前記炭化ケイ素基材(21)の前記外面(25)に施された混合被膜(30)であって、Al 4 C 3 +Si及びFe-Al合金を含む前記混合被膜(30)、前記混合被膜(30)に施されたFeCrAl合金被膜(28)、及び前記FeCrAl合金被膜(28)に施されたCr 2 O 3 被膜(32)、又は
前記炭化ケイ素基材(21)の前記外面(25)に施されたCrN層(41)、前記CrN層(41)に施されたクロム層(44)、及び、CrN層(46)及びクロム層(48)が交互に施された一つ又は複数の追加層、又は
前記炭化ケイ素基材(21)の前記外面(25)に施されたイットリウムシリコン層、又は
前記炭化ケイ素基材(21)の前記外面(25)に施されたイットリウムシリサイド若しくはジルコニウムシリサイド層(51)、又は、
前記炭化ケイ素基材(21)の前記外面(25)に施されたジルコニウムシリケート層(54)
を含む、複合炭化ケイ素被覆管。 - 軽水型原子炉に使用するための複合炭化ケイ素被覆管を製造する方法であって、
外面(25)を有する炭化ケイ素基材(21)であって、炭化ケイ素セラミック基複合材料を含むとともに前記複合炭化ケイ素被覆管の内層を形成する前記炭化ケイ素基材(21)を提供することと、
前記炭化ケイ素基材(21)の前記外面(25)上に被膜を堆積させることと、を含み、
前記被膜を堆積させることは、
前記炭化ケイ素基材(21)の前記外面(25)上にアルミニウム被膜(23)を堆積させ、前記アルミニウム被膜(23)上にFeCrAl合金被膜(28)を堆積させ、前記被膜を熱処理することであって、
前記炭化ケイ素基材(21)の前記外面(25)に施された混合被膜(30)であって、Al 4 C 3 +Si及びFe-Al合金を含む前記混合被膜(30)と、
前記混合被膜(30)に施されたFeCrAl合金被膜(28)と、
前記FeCrAl合金被膜(28)に施されたCr 2 O 3 被膜(32)と、を形成する、前記被膜を熱処理すること、又は
前記炭化ケイ素基材(21)の前記外面(25)上にCrN層(41)を堆積させ、前記CrN層(41)上にクロム層(44)を堆積させ、その上にCrN(46)層及びクロム(48)層が交互に施された一つ又は複数の追加層を堆積させること、又は
前記炭化ケイ素基材(21)の前記外面(25)上にイットリウムシリコン層を堆積させること、又は
前記炭化ケイ素基材(21)の前記外面(25)上にイットリウムシリサイド層又はジルコニウムシリサイド層(51)を堆積させること、又は
前記炭化ケイ素基材(21)の前記外面(25)上にジルコニウムシリケート層(54)を堆積させること、
を含む、方法。 - 前記被膜を堆積させるステップは、前記炭化ケイ素基材(21)の前記外面(25)上にイットリウムシリコン層を堆積させることを含み、
前記方法は、さらに
前記イットリウムシリコン層を熱処理することであって、イットリウムシリケート層(54)を形成する前記熱処理することを含む、請求項2に記載の方法。 - 前記被膜を堆積させることは、前記炭化ケイ素基材(21)の前記外面(25)上にイットリウムシリサイド層又はジルコニウムシリサイド層(51)を堆積させることを含み、
前記方法は、さらに
前記イットリウムシリサイド層又はジルコニウムシリサイド層(51)を熱処理することであって、イットリウムシリケート層又はジルコニウムシリケート層(54)を形成する前記熱処理することを含む、請求項2に記載の方法。 - 前記被膜を堆積させることは、前記炭化ケイ素基材(21)の前記外面(25)上にジルコニウムシリケート層(54)を堆積させることを含み、
前記方法は、さらに
前記ジルコニウムシリケート層(54)を熱処理することを含む、請求項2に記載の方法。 - 前記被膜を堆積させることは、コールドスプレー、溶射、物理蒸着、及びDC反応性スパッタリング、からなる群から選択されるプロセスを含む、請求項2に記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/196,005 US20200161010A1 (en) | 2018-11-20 | 2018-11-20 | Coatings and Surface Modifications to Mitigate SiC Cladding During Operation in Light Water Reactors |
| US16/196,005 | 2018-11-20 | ||
| PCT/US2019/061947 WO2020106606A1 (en) | 2018-11-20 | 2019-11-18 | Coatings and surface modifications to mitigate sic cladding during operation in light water reactors |
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| JP2022508196A JP2022508196A (ja) | 2022-01-19 |
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| US9335296B2 (en) | 2012-10-10 | 2016-05-10 | Westinghouse Electric Company Llc | Systems and methods for steam generator tube analysis for detection of tube degradation |
| US11935662B2 (en) | 2019-07-02 | 2024-03-19 | Westinghouse Electric Company Llc | Elongate SiC fuel elements |
| KR102523509B1 (ko) | 2019-09-19 | 2023-04-18 | 웨스팅하우스 일렉트릭 컴퍼니 엘엘씨 | 콜드 스프레이 침착물의 현장 접착 테스트를 수행하기 위한 장치 및 사용 방법 |
| JP7489570B2 (ja) * | 2020-12-25 | 2024-05-24 | 三菱重工業株式会社 | 燃料被覆管の製造方法 |
| CN114540743A (zh) * | 2022-01-14 | 2022-05-27 | 江苏通和生物医药科技有限公司 | 一种锆合金表面等离子喷涂重熔Cr/FeCrAl涂层及其制备方法 |
| CN115928018B (zh) * | 2022-11-29 | 2023-07-21 | 四川大学 | 耐液态铅/铅铋腐蚀的金属-陶瓷复合涂层的制备方法 |
| CN116003152B (zh) * | 2023-03-13 | 2024-01-30 | 昆明理工大学 | 抗高温水蒸气氧化的碳化硅陶瓷连接件及其制法与应用 |
| US20250226123A1 (en) * | 2023-06-23 | 2025-07-10 | Rolls-Royce High Temperature Composites Inc. | Cladding and assembly for nuclear applications |
| CN117655352A (zh) * | 2023-12-18 | 2024-03-08 | 南昌航空大学 | 一种经双路送粉在cmc表面沉积难熔高熵合金涂层方法 |
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| WO2020106606A1 (en) | 2020-05-28 |
| CN113424272B (zh) | 2024-07-12 |
| CA3120524A1 (en) | 2020-05-28 |
| EP3884503A1 (en) | 2021-09-29 |
| CN113424272A (zh) | 2021-09-21 |
| US20200161010A1 (en) | 2020-05-21 |
| EP3884503B1 (en) | 2024-04-10 |
| KR20210093991A (ko) | 2021-07-28 |
| JP2022508196A (ja) | 2022-01-19 |
| KR102864950B1 (ko) | 2025-09-29 |
| EP3884503A4 (en) | 2022-08-31 |
| US20230352199A1 (en) | 2023-11-02 |
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