KR101008958B1 - 부식 저항성이 강화된 핵연료 피복재를 포함하는 핵연료봉 - Google Patents
부식 저항성이 강화된 핵연료 피복재를 포함하는 핵연료봉 Download PDFInfo
- Publication number
- KR101008958B1 KR101008958B1 KR1020080136388A KR20080136388A KR101008958B1 KR 101008958 B1 KR101008958 B1 KR 101008958B1 KR 1020080136388 A KR1020080136388 A KR 1020080136388A KR 20080136388 A KR20080136388 A KR 20080136388A KR 101008958 B1 KR101008958 B1 KR 101008958B1
- Authority
- KR
- South Korea
- Prior art keywords
- nuclear fuel
- coating
- fuel rod
- cladding
- fuel
- Prior art date
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- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 54
- 230000007797 corrosion Effects 0.000 title claims abstract description 48
- 238000005260 corrosion Methods 0.000 title claims abstract description 48
- 238000005253 cladding Methods 0.000 title claims abstract description 38
- 230000001965 increasing effect Effects 0.000 title abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 64
- 238000000576 coating method Methods 0.000 claims abstract description 64
- 239000001257 hydrogen Substances 0.000 claims abstract description 52
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 52
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000000446 fuel Substances 0.000 claims abstract description 44
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 21
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 16
- 239000010931 gold Substances 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 229910026551 ZrC Inorganic materials 0.000 claims description 8
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000010948 rhodium Substances 0.000 claims description 4
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 2
- 239000010408 film Substances 0.000 abstract description 13
- 239000002826 coolant Substances 0.000 abstract description 5
- 239000010409 thin film Substances 0.000 abstract description 2
- 238000004381 surface treatment Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 18
- 229910001093 Zr alloy Inorganic materials 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 238000009835 boiling Methods 0.000 description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004992 fission Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- -1 zirconium metals Chemical class 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 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
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000011824 nuclear material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 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
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- QSGNKXDSTRDWKA-UHFFFAOYSA-N zirconium dihydride Chemical compound [ZrH2] QSGNKXDSTRDWKA-UHFFFAOYSA-N 0.000 description 1
- 229910000568 zirconium hydride Inorganic materials 0.000 description 1
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 description 1
Images
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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C16/00—Alloys based on zirconium
-
- 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
- G21C3/16—Details of the construction within the casing
- G21C3/20—Details of the construction within the casing with coating on fuel or on inside of casing; with non-active interlayer between casing and active material with multiple casings or multiple active layers
-
- 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)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
Description
Claims (14)
- 핵분열 물질과 상기 핵분열 물질을 봉지하는 지르코늄 기반 연료 피복재(fuel cladding)와, 상기 연료 피복재 표면에 균일 또는 불균일하게 형성되며, 백금 (Pt), 금 (Au), 팔라듐(Pd) 및 로듐 (Rh)으로 이루어진 군으로부터 선택되는 어느 하나 또는 이들의 합금이며, 평균 두께는 1 ㎚ ~ 100 ㎚인 피막을 포함하는 부식 저항성이 강화된 핵연료봉.
- 제1항에 있어서, 상기 피막은 상기 연료 피복재의 수소과전압을 낮추어 수소취화(hydrogen overpotential)를 방지하는 것을 특징으로 하는 부식 저항성이 강화된 핵연료봉.
- 제2항에 있어서, 상기 피막은 수소과전압이 0.5 V 이하인 전도성 물질인 것을 특징으로 하는 부식 저항성이 강화된 핵연료봉.
- 삭제
- 제2항에 있어서, 상기 피막은 백금 (Pt), 금 (Au) 또는 이의 합금인 것을 특징으로하는 부식 저항성이 강화된 핵연료봉.
- 핵분열 물질과 상기 핵분열 물질을 봉지하는 지르코늄 기반 연료 피복재(fuel cladding)와, 상기 연료 피복재 표면에 균일 또는 불균일하게 형성되고, 연료 피복재인 지르코늄의 원자 간 간격보다 더 짧은 원자 간 간격을 갖는 물질로서 탄소 (C), 질소(N), DLC(Diamond like carbon), 지르코늄카바이드(ZrC), 티타늄카바이드(TiC)로 이루어진 군으로부터 선택되는 어느 하나 또는 이의 혼합을 사용하여 수소침투를 방지하며, 평균 두께는 1 ㎚ ~ 1 ㎛ 인 피막을 포함하는 부식 저항성이 강화된 핵연료봉.
- 제6항에 있어서, 상기 원자 간 간격은 317 pm 미만인 것을 특징으로 하는 부식 저항성이 강화된 핵연료봉.
- 삭제
- 삭제
- 삭제
- 제6항 또는 제7항에 있어서, 상기 피막의 평균 두께는 1 ㎚ ~ 100 ㎚인 것을 특징으로 하는 부식 저항성이 강화된 핵연료봉.
- 제1항 내지 제3항 및 제5항 내지 제7항 중 어느 한 항에 있어서, 상기 피막은 상기 핵연료봉의 상부에서부터 적어도 핵연료봉의 1/2 지점까지 형성되는 것을 특징으로 하는 부식 저항성이 강화된 핵연료봉.
- 제1항 내지 제3항 및 제5항 내지 제7항 중 어느 한 항에 있어서, 상기 연료 피복재와 상기 피막사이에 완충층(buffer layer)을 추가적으로 포함하는 것을 특징으로 하는 부식 저항성이 강화된 핵연료봉.
- 제13항에 있어서, 상기 완충층은 그 두께가 1 nm ~ 10 ㎛인 것을 특징으로 하는 부식저항성이 강화된 핵연료봉.
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KR1020080136388A KR101008958B1 (ko) | 2008-12-30 | 2008-12-30 | 부식 저항성이 강화된 핵연료 피복재를 포함하는 핵연료봉 |
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KR1020080136388A KR101008958B1 (ko) | 2008-12-30 | 2008-12-30 | 부식 저항성이 강화된 핵연료 피복재를 포함하는 핵연료봉 |
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KR20100078200A KR20100078200A (ko) | 2010-07-08 |
KR101008958B1 true KR101008958B1 (ko) | 2011-01-17 |
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US10102930B2 (en) * | 2013-11-13 | 2018-10-16 | Framatome Inc. | Nuclear fuel rod cladding including a metal nanomaterial layer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11326573A (ja) * | 1998-05-15 | 1999-11-26 | Nippon Nuclear Fuel Dev Co Ltd | 燃料集合体構成部材と、被覆管の耐水素吸収性改良方法 |
KR100491574B1 (ko) * | 1996-02-23 | 2005-08-05 | 웨스팅하우스 일렉트릭 스웨덴 아베 | 경수로용으로설계된구성요소및그러한구성요소의제조방법 |
JP2008070138A (ja) * | 2006-09-12 | 2008-03-27 | Global Nuclear Fuel-Japan Co Ltd | 核燃料集合体、それに用いる部品およびその製造方法 |
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- 2008-12-30 KR KR1020080136388A patent/KR101008958B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100491574B1 (ko) * | 1996-02-23 | 2005-08-05 | 웨스팅하우스 일렉트릭 스웨덴 아베 | 경수로용으로설계된구성요소및그러한구성요소의제조방법 |
JPH11326573A (ja) * | 1998-05-15 | 1999-11-26 | Nippon Nuclear Fuel Dev Co Ltd | 燃料集合体構成部材と、被覆管の耐水素吸収性改良方法 |
JP2008070138A (ja) * | 2006-09-12 | 2008-03-27 | Global Nuclear Fuel-Japan Co Ltd | 核燃料集合体、それに用いる部品およびその製造方法 |
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