JP7412432B2 - 原子炉用燃料棒のためのクラッド管 - Google Patents
原子炉用燃料棒のためのクラッド管 Download PDFInfo
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- JP7412432B2 JP7412432B2 JP2021540050A JP2021540050A JP7412432B2 JP 7412432 B2 JP7412432 B2 JP 7412432B2 JP 2021540050 A JP2021540050 A JP 2021540050A JP 2021540050 A JP2021540050 A JP 2021540050A JP 7412432 B2 JP7412432 B2 JP 7412432B2
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- 239000003758 nuclear fuel Substances 0.000 title claims description 17
- 239000002344 surface layer Substances 0.000 claims description 86
- 229910045601 alloy Inorganic materials 0.000 claims description 77
- 239000000956 alloy Substances 0.000 claims description 77
- 229910052726 zirconium Inorganic materials 0.000 claims description 39
- 239000000446 fuel Substances 0.000 claims description 38
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 36
- 239000000758 substrate Substances 0.000 claims description 32
- 238000005253 cladding Methods 0.000 claims description 26
- 229910052804 chromium Inorganic materials 0.000 claims description 18
- 229910052758 niobium Inorganic materials 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 229910052750 molybdenum Inorganic materials 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000004927 fusion Effects 0.000 description 9
- 239000008188 pellet Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 229910001093 Zr alloy Inorganic materials 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000004173 sunset yellow FCF Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 206010073306 Exposure to radiation Diseases 0.000 description 1
- 229910052778 Plutonium Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
-
- 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
- G21C3/10—End closures ; Means for tight mounting therefor
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Laminated Bodies (AREA)
Description
Cr並びにNb及びFeのうちの少なくとも1つを含む大部分の主要元素、
少量部分のジルコニウム、並びに
場合によっては残余部分の間充元素
からなる。
例1では、表面層21の大部分の主要元素は、CrとNbとからなる。Crは、合金中に51重量%の濃度で存在していてもよく、Nbは、合金中に47重量%の濃度で存在していてもよい。Zrは、合金中に2重量%の濃度で存在してもよい。
例2では、表面層の大部分の主要元素は、Cr、Mo及びNbからなる。この場合、Crは、合金中に23重量%の濃度で存在してもよく、Moは、合金中に19重量%の濃度で存在してもよく、Nbは、合金中に55重量%の濃度で存在してもよい。
例3では、表面層の大部分の主要元素が、Cr、Mo及びFeからなる。この場合、Crは、合金中に29重量%の濃度で存在していてもよく、Moは、合金中に48重量%の濃度で存在していてもよく、Feは、合金中に20重量%の濃度で存在していてもよい。
Claims (12)
- 原子炉用燃料棒(4)のためのクラッド管(11)であって、前記クラッド管(11)は、核燃料を収容するための内部空間(14)を画定する管状基材(20)と、前記管状基材(20)上に設けられた表面層(21)とを含み、
前記管状基材(20)は、ジルコニウム基合金から作製されており、第1の熱膨張係数を有し、
前記表面層(21)は合金からなり、
前記合金は、
Cr並びにNb及びFeのうちの少なくとも1つを含む大部分の主要元素、
少量部分のジルコニウム、並びに
残余部分の間充元素
からなり、
前記大部分の主要元素は、前記表面層の合金の少なくとも94重量%を構成し、
前記表面層(21)の前記合金が第2の熱膨張係数を有し、前記第2の熱膨張係数が20℃から少なくとも1300℃までの間で前記第1の熱膨張係数よりも少なくとも1%大きいことを特徴とするクラッド管(11)。 - 前記第2の熱膨張係数が、20℃から少なくとも1300℃までの間で前記第1の熱膨張係数よりも少なくとも2%大きい請求項1に記載のクラッド管(11)。
- 前記表面層(21)の前記少量部分のジルコニウムが、前記表面層の前記合金の0.1~5重量%を占める請求項1または請求項2に記載のクラッド管(11)。
- 前記表面層(21)の前記合金中の前記ジルコニウムの濃度が前記管状基材(20)に向かって増加し、前記表面層(21)の前記合金中の主要元素の濃度が前記管状基材(20)に向かって減少する請求項3に記載のクラッド管(11)。
- 前記表面層(21)の前記大部分の主要元素がCr及びNbからなる請求項1から請求項4のいずれか1項に記載のクラッド管(11)。
- 前記表面層(21)の前記大部分の主要元素がCr、Mo及びNbからなる請求項1から請求項5のいずれか1項に記載のクラッド管(11)。
- 前記表面層(21)の前記大部分の主要元素がCr、Mo及びFeからなる請求項1から請求項6のいずれか1項に記載のクラッド管(11)。
- 前記表面層(21)が、最大で0.1mmの厚さを有する請求項1から請求項7のいずれか1項に記載のクラッド管(11)。
- 前記表面層(21)が、少なくとも0.003mmの厚さを有する請求項1から請求項8のいずれか1項に記載のクラッド管(11)。
- 前記表面層(21)の前記残余部分の間充元素が、As Low As Reasonably Achievable(ALARAの原則)のレベルの濃度で、前記合金中に存在する請求項1から請求項9のいずれか1項に記載のクラッド管(11)。
- 請求項1から請求項10のいずれか1項に記載のクラッド管(11)と、前記クラッド管(11)に封入された核燃料とを含む燃料棒(4)。
- 複数の請求項11に記載の燃料棒(4)を含む燃料集合体(1)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19151658.2 | 2019-01-14 | ||
EP19151658.2A EP3680917B1 (en) | 2019-01-14 | 2019-01-14 | A cladding tube for a fuel rod for nuclear reactors |
PCT/EP2019/085990 WO2020148061A1 (en) | 2019-01-14 | 2019-12-18 | A cladding tube for a fuel rod for nuclear reactors |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022517000A JP2022517000A (ja) | 2022-03-03 |
JP7412432B2 true JP7412432B2 (ja) | 2024-01-12 |
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Application Number | Title | Priority Date | Filing Date |
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JP2021540050A Active JP7412432B2 (ja) | 2019-01-14 | 2019-12-18 | 原子炉用燃料棒のためのクラッド管 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220102017A1 (ja) |
EP (1) | EP3680917B1 (ja) |
JP (1) | JP7412432B2 (ja) |
WO (1) | WO2020148061A1 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016540882A (ja) | 2013-05-28 | 2016-12-28 | 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 | 原子炉級ジルコニウム合金金属組織を伴う動的に付着された組成漸移型Zr−Al−CセラミックまたはTi−Al−Cセラミックまたは非晶質もしくは準非晶質ステンレス鋼 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4515865A (en) * | 1983-08-24 | 1985-05-07 | Electric Power Research Institute, Inc. | Corrosion-resistant coated ferrous body |
JP2638351B2 (ja) * | 1991-09-20 | 1997-08-06 | 株式会社日立製作所 | 燃料集合体 |
US20090286107A1 (en) * | 2008-05-13 | 2009-11-19 | Ut-Battelle, Llc | Ferritic Alloy Compositions |
FR2989923B1 (fr) | 2012-04-26 | 2014-05-16 | Commissariat Energie Atomique | Materiau multicouche resistant a l'oxydation en milieu nucleaire. |
US20180294062A1 (en) * | 2015-10-06 | 2018-10-11 | The Penn State Research Foundation | Ceramic coating for corrosion resistance of nuclear fuel cladding |
KR101941673B1 (ko) * | 2017-04-18 | 2019-01-23 | 가천대학교 산학협력단 | 다층구조 핵연료 피복관 및 다층구조 핵연료 피복관의 제조방법 |
CN108588532B (zh) * | 2018-05-21 | 2019-08-30 | 广东核电合营有限公司 | 多元合金涂层、锆合金包壳及燃料组件 |
-
2019
- 2019-01-14 EP EP19151658.2A patent/EP3680917B1/en active Active
- 2019-12-18 WO PCT/EP2019/085990 patent/WO2020148061A1/en active Application Filing
- 2019-12-18 JP JP2021540050A patent/JP7412432B2/ja active Active
- 2019-12-18 US US17/422,563 patent/US20220102017A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016540882A (ja) | 2013-05-28 | 2016-12-28 | 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 | 原子炉級ジルコニウム合金金属組織を伴う動的に付着された組成漸移型Zr−Al−CセラミックまたはTi−Al−Cセラミックまたは非晶質もしくは準非晶質ステンレス鋼 |
Non-Patent Citations (4)
Title |
---|
B.A. PINT et al.,"High temperature oxidation of fuel cladding candidate materials in steam-hydrogen environments",Journal of Nuclear Materials,2013年09月,Vol. 440, No. 1-3,p.420-427,DOI: 10.1016/j.jnucmat.2013.05.047 |
Dongliang JIN et al.,"Investigation on the oxidation and corrosion behaviors of FeCrZr alloy as a protective material for Zr cladding",Journal of Alloys and Compounds,2018年07月,Vol. 753,p.532-542,DOI: 10.1016/j.jallcom.2018.04.250 |
Hyun-Gil KIM et al.,"Out-of-pile performance of surface-modified Zr cladding for accident tolerant fuel in LWRs",Journal of Nuclear Materials,2018年11月,Vol. 510,p.93-99,DOI: 10.1016/j.jnucmat.2018.07.061 |
W. ZHANG et al.,"Preparation, structure, and properties of an AlCrMoNbZr high-entropy alloy coating for accident-tolerant fuel cladding",Surface and Coatings Technology,2018年08月,Vol. 347,p.13-19,DOI: 10.1016/j.surfcoat.2018.04.037 |
Also Published As
Publication number | Publication date |
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EP3680917C0 (en) | 2023-10-04 |
JP2022517000A (ja) | 2022-03-03 |
EP3680917B1 (en) | 2023-10-04 |
US20220102017A1 (en) | 2022-03-31 |
WO2020148061A1 (en) | 2020-07-23 |
EP3680917A1 (en) | 2020-07-15 |
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