JP2021530702A - 炭化ケイ素強化ジルコニウムベースの被覆 - Google Patents
炭化ケイ素強化ジルコニウムベースの被覆 Download PDFInfo
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- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
- C23C24/085—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/045—Pellets
- G21C3/047—Pellet-clad interaction
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/06—Casings; Jackets
- G21C3/07—Casings; Jackets characterised by their material, e.g. alloys
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
Description
本出願は、2018年7月16日に出願され、参照により本明細書に組み込まれる米国仮特許出願第62/698,326号の優先権を主張するものである。
本発明は、米国エネルギー省により授与された契約第DE−NE0008222号に基づく政府の支援を受けて行われた。米国政府は、本発明に対して一定の権利を有する。
本出願は、原子燃料被覆管に関し、より具体的には、セラミック被膜を有するジルコニウム合金管に関する。
典型的な原子炉の炉心には多数の燃料集合体が収容されており、その各々が複数の細長い燃料棒から構成される。各々の燃料棒は、通常、HeやH2などの気体に取り囲まれた原子燃料ペレットを積み重ねた形態の原子燃料用核分裂性物質を含む。燃料棒は、核分裂性物質を封じ込める機能を果たす被覆を有する。
Claims (15)
- 原子燃料被覆管(10)を作製する方法であって、
ジルコニウム合金管(12)をセラミック繊維糸(16)で被覆することであって、前記管(12)の周りに前記糸(16)を編組するかまたは巻き回して前記管(12)の上に直接前記糸(16)を当てることによって、被覆することと、
第1の被膜(24)を施すことにより、前記セラミック繊維糸(16)を前記管(12)に結合させることと、
を含む方法。 - 前記第1の被膜(24)が、Nb、Nb合金、Nb酸化物、Cr、Cr合金、Cr酸化物およびそれらの組み合わせから成る群より選択した材料から作製される、請求項1に記載の方法。
- 前記第1の被膜(24)が、蒸着、陰極アーク蒸着、マグネトロンスパッタリング蒸着およびパルスレーザー蒸着から成る群より選択した物理蒸着法、またはコールドスプレーおよびホットスプレー法から成る群より選択した熱蒸着法のうちの1つによって施される、請求項1に記載の方法。
- 前記第1の被膜(24)が厚さ1〜20ミクロンの層を成す、請求項1に記載の方法。
- 第2の被膜(26)を施して前記第1の被膜(24)を被覆することをさらに含み、前記第2の被膜(26)が、(i)蒸着、陰極アーク蒸着、マグネトロンスパッタリング蒸着およびパルスレーザー蒸着から成る群より選択した物理蒸着法、または(ii)コールドスプレーおよびホットスプレー法から成る群より選択した熱蒸着法のうちの1つによって施される、請求項1に記載の方法。
- 前記第2の被膜(26)が、Cr、Cr合金、Cr酸化物およびそれらの組み合わせから成る群より選択した材料で作製される、請求項5に記載の方法。
- 前記第2の被膜(26)が1〜50ミクロンの層を成す、請求項5に記載の方法。
- 物理蒸着法または熱蒸着法のうちの1つによって第3の被膜(28)を施すことにより、前記第2の被膜(26)を覆うことをさらに含む、請求項5に記載の方法。
- 前記第3の被膜(28)が、Cr、Cr合金、Cr酸化物およびそれらの組み合わせからなる群より選択した材料で作製される、請求項8に記載の方法。
- 前記セラミック繊維糸(16)が、800℃以上の温度で前記管(12)の構造的な支持を提供するのに十分な密度を有する、請求項1に記載の方法。
- 前記Zr管(12)が100〜1000ミクロンの壁厚を有し、前記セラミック繊維糸(16)がSiC繊維で作製され、厚さ100〜600ミクロンの層を成す、請求項1に記載の方法。
- 原子燃料被覆管(10)であって、
ジルコニウム合金管(12)と、
前記管(12)の上に直接施されたセラミック被覆(14)と、前記管(12)に前記セラミック被覆(14)を結合させる第1の被膜層(24)とから成る構造支持部材と、
を備える被覆管(10)。 - 前記第1の被膜層(24)が、Nb、Nb合金、Nb酸化物、Cr、Cr合金、Cr酸化物およびそれらの組み合わせから成る群より選択した第1の材料から形成される、請求項12に記載の被覆管(10)。
- 前記第1の被膜(24)の上に少なくとも第2の被膜層(26)をさらに含み、前記第2の被膜層(24)が、Cr、Cr合金、Cr酸化物、およびそれらの組み合わせから成る群より選択した材料から形成される、請求項12に記載の被覆管(10)。
- 前記Zr管(12)の壁厚が100〜1000ミクロンであり、前記セラミック被覆(14)がSiC繊維で作製された糸(16)から形成されて厚さ100〜600ミクロンであり、前記第1の被膜層(24)が厚さ1〜20ミクロンであり、前記第2の被膜層(26)が1〜50ミクロンである、請求項14に記載の被覆管(10)。
Applications Claiming Priority (3)
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US201862698326P | 2018-07-16 | 2018-07-16 | |
US62/698,326 | 2018-07-16 | ||
PCT/US2019/041546 WO2020018361A1 (en) | 2018-07-16 | 2019-07-12 | Silicon carbide reinforced zirconium based cladding |
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JP2021530702A true JP2021530702A (ja) | 2021-11-11 |
JP7122453B2 JP7122453B2 (ja) | 2022-08-19 |
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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 |
US10872701B2 (en) * | 2016-06-10 | 2020-12-22 | Westinghouse Electric Company Llc | Zirconium-coated silicon carbide fuel cladding for accident tolerant fuel application |
WO2018017145A1 (en) * | 2016-07-22 | 2018-01-25 | Westinghouse Electric Company Llc | Spray methods for coating nuclear fuel rods to add corrosion resistant barrier |
US11404175B2 (en) | 2018-07-16 | 2022-08-02 | Westinghouse Electric Company Llc | Silicon carbide reinforced zirconium based cladding |
US11935662B2 (en) | 2019-07-02 | 2024-03-19 | Westinghouse Electric Company Llc | Elongate SiC fuel elements |
CA3151605C (en) | 2019-09-19 | 2023-04-11 | Westinghouse Electric Company Llc | Apparatus for performing in-situ adhesion test of cold spray deposits and method of employing |
JP2023524072A (ja) * | 2020-05-01 | 2023-06-08 | ウエスチングハウス・エレクトリック・カンパニー・エルエルシー | 沸騰水型原子炉用のチャネルボックス及びその製造方法 |
EP4195220A1 (en) | 2021-12-09 | 2023-06-14 | Westinghouse Electric Sweden AB | A nuclear fuel rod cladding tube and a method for manufacturing a nuclear fuel rod cladding tube |
US20240102148A1 (en) * | 2022-09-23 | 2024-03-28 | Westinghouse Electric Company Llc | Fiber reinforced multi-layered wear and corrosion coatings of zirconium alloy nuclear fuel cladding |
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JP2017197828A (ja) * | 2016-04-28 | 2017-11-02 | 日立Geニュークリア・エナジー株式会社 | 構造部材およびその製造方法、燃料棒、燃料チャンネルボックス、ウォーターロッド、燃料集合体 |
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- 2019-07-12 KR KR1020237027115A patent/KR20230125084A/ko not_active Application Discontinuation
- 2019-07-12 EP EP19837869.7A patent/EP3824479A1/en not_active Withdrawn
- 2019-07-12 JP JP2021502581A patent/JP7122453B2/ja active Active
- 2019-07-12 WO PCT/US2019/041546 patent/WO2020018361A1/en unknown
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2022
- 2022-06-29 US US17/809,703 patent/US20230095751A1/en active Pending
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US20200020455A1 (en) | 2020-01-16 |
JP7122453B2 (ja) | 2022-08-19 |
WO2020018361A1 (en) | 2020-01-23 |
KR102566821B1 (ko) | 2023-08-17 |
EP3824479A1 (en) | 2021-05-26 |
US11404175B2 (en) | 2022-08-02 |
KR20230125084A (ko) | 2023-08-28 |
US20230095751A1 (en) | 2023-03-30 |
KR20210030418A (ko) | 2021-03-17 |
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