JP6966436B2 - 高温気密性と事故耐性を有する多層複合材燃料被覆管及びその形成方法 - Google Patents
高温気密性と事故耐性を有する多層複合材燃料被覆管及びその形成方法 Download PDFInfo
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- JP6966436B2 JP6966436B2 JP2018523447A JP2018523447A JP6966436B2 JP 6966436 B2 JP6966436 B2 JP 6966436B2 JP 2018523447 A JP2018523447 A JP 2018523447A JP 2018523447 A JP2018523447 A JP 2018523447A JP 6966436 B2 JP6966436 B2 JP 6966436B2
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
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- G21C3/02—Fuel elements
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- G—PHYSICS
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- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- B32B2597/00—Tubular articles, e.g. hoses, pipes
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Description
Claims (12)
- セラミックおよび金属を含む多層被覆管(21)であって、
内部に原子燃料を閉じ込めるためのキャビティ(24)が形成されている金属製または金属合金製の内層(23)と、
当該内層(23)の外面(27)の上に形成され、
織込まれたまたは編組みされたアルミナ繊維から成る、絡み合うセラミック繊維および
アルミナ基材
から成る複合材
から成る中間層(29)と、
当該中間層(29)の外面(33)に付着したイットリウムが添加された鉄−クロム−アルミニウム合金製の、延性を有し修復可能な外層(35)と
から成る多層被覆管(21)。 - 前記内層(23)は円筒管構造である、請求項1の多層被覆管(21)。
- 前記内層(23)は、オーステナイト鋼、フェライト系マルテンサイト鋼、鉄合金、ジルコニウム合金、チタン合金およびそれらの層状の組み合わせから成る群より選択された材料から成る、請求項1の多層被覆管(21)。
- 前記複合材の絡み合うセラミック繊維はさらに、織込まれたまたは編組みされた炭化ケイ素繊維を含む、請求項1の多層被覆管(21)。
- 前記絡み合うセラミック繊維は、織込まれたまたは巻回された繊維構造のトウの形態をとる、請求項1の多層被覆管(21)。
- 前記アルミナ基材は、織込まれたまたは巻回されたセラミック繊維構造の上または中に付着している、請求項1の多層被覆管(21)。
- 前記延性を有し修復可能な外層(35)は被膜の形態である、請求項1の多層被覆管(21)。
- 前記延性を有し修復可能な外層(35)は、酸化防止被膜を有するアルミナ形成金属合金である、請求項1の多層被覆管(21)。
- 多層被覆管(21)を形成する方法であって、
内部に原子燃料を閉じ込めるためのキャビティ(24)を画定する金属製または金属合金製の内層(23)を形成するステップと、
当該内層(23)の外面(27)の上に、
織込まれたまたは編組みされたアルミナ繊維から成る、絡み合うセラミック繊維および
アルミナ基材
から成る複合材
から成る中間層(29)を付着させるステップと、
イットリウムが添加された鉄−クロム−アルミニウム合金製の、延性を有し修復可能な外層(35)を当該中間層(29)の外面(33)に付着させるステップと
から成る方法。 - 前記中間層(29)を付着させるステップは、
繊維トウの形態をとるセラミック繊維を提供するステップと、
当該トウの前記内層(23)上への巻付け、巻回または編組みを行うステップと、
空隙を内包する織込まれたセラミック繊維構造を形成するステップと、
化学蒸着法、化学気相浸透法およびゾルゲル浸透法のなかから選択されたプロセスにより、当該空隙を少なくとも部分的に充填するように当該織込まれたセラミック繊維構造の上に前記アルミナ基材を付着させるステップと
から成る請求項9の方法。 - 前記延性を有し修復可能な外層(35)は前記内層(23)および前記中間層(29)を包み込んでいる、請求項9の方法。
- 前記延性を有し修復可能な外層(35)は、アーク溶射、液相噴霧およびコールドスプレーのなかから選択されたプロセスによって形成される、請求項9の方法。
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US14/956,892 US9982350B2 (en) | 2015-12-02 | 2015-12-02 | Multilayer composite fuel clad system with high temperature hermeticity and accident tolerance |
US14/956,892 | 2015-12-02 | ||
PCT/US2016/058384 WO2017095552A1 (en) | 2015-12-02 | 2016-10-24 | Multilayer composite fuel clad system with high temperature hermeticity and accident tolerance |
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KR (1) | KR102572043B1 (ja) |
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US10872701B2 (en) * | 2016-06-10 | 2020-12-22 | Westinghouse Electric Company Llc | Zirconium-coated silicon carbide fuel cladding for accident tolerant fuel application |
US11049622B2 (en) | 2018-02-13 | 2021-06-29 | Westinghouse Electric Company Llc | Method to pressurize sic fuel cladding tube before end plug sealing by pressurization pushing spring loaded end plug |
WO2019183575A1 (en) | 2018-03-22 | 2019-09-26 | Energie Propre Prodigy Ltee / Prodigy Clean Energy Ltd. | Systems and methods for rapid establishment of offshore nuclear power platforms |
US11404175B2 (en) * | 2018-07-16 | 2022-08-02 | Westinghouse Electric Company Llc | Silicon carbide reinforced zirconium based cladding |
WO2020093246A1 (zh) * | 2018-11-06 | 2020-05-14 | 中广核研究院有限公司 | 核燃料组件的管材及燃料包壳 |
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CN109868475B (zh) * | 2019-01-23 | 2021-06-22 | 中国科学院宁波材料技术与工程研究所 | 锆合金包壳及其制备方法、锆合金组件 |
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