KR102478843B1 - 스파크 플라즈마 소결을 이용한 고밀도 핵연료 소결체 제조방법 - Google Patents
스파크 플라즈마 소결을 이용한 고밀도 핵연료 소결체 제조방법 Download PDFInfo
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- KR102478843B1 KR102478843B1 KR1020200145248A KR20200145248A KR102478843B1 KR 102478843 B1 KR102478843 B1 KR 102478843B1 KR 1020200145248 A KR1020200145248 A KR 1020200145248A KR 20200145248 A KR20200145248 A KR 20200145248A KR 102478843 B1 KR102478843 B1 KR 102478843B1
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- uranium
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000002490 spark plasma sintering Methods 0.000 title claims abstract description 25
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 21
- 239000008188 pellet Substances 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 44
- 229910052770 Uranium Inorganic materials 0.000 claims abstract description 29
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000001257 hydrogen Substances 0.000 claims abstract description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 11
- MVXWAZXVYXTENN-UHFFFAOYSA-N azanylidyneuranium Chemical compound [U]#N MVXWAZXVYXTENN-UHFFFAOYSA-N 0.000 claims abstract description 10
- -1 uranium hydrogen compound Chemical class 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005245 sintering Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- FCTBKIHDJGHPPO-UHFFFAOYSA-N dioxouranium Chemical compound O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 6
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- WZECUPJJEIXUKY-UHFFFAOYSA-N [O-2].[O-2].[O-2].[U+6] Chemical compound [O-2].[O-2].[O-2].[U+6] WZECUPJJEIXUKY-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 229910000439 uranium oxide Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001739 density measurement Methods 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009766 low-temperature sintering Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Classifications
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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
- G21C3/42—Selection of substances for use as reactor fuel
- G21C3/58—Solid reactor fuel Pellets made of fissile material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/5158—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on actinide compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/666—Applying a current during sintering, e.g. plasma sintering [SPS], electrical resistance heating or pulse electric current sintering [PECS]
-
- 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)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
도 2는 온도와 압력에 따른 상대밀도 측정 결과를 나타내는 그래프이다.
도 3은 본 발명의 제조방법에 의하여 제조된 UN 소결체의 XRD 상 분석 결과를 나타내는 그래프이다.
도 4는 U2N3 분말과 UN 분말을 사용한 스파크 플라즈마 소결 그래프를 나타낸다; A) U2N3 분말, B) UN 분말.
도 5는 시작 물질 (U2N3, UN) 분말 SEM 이미지를 나타낸다; A) U2N3 분말, B) UN 분말.
Claims (7)
- 우라늄 금속을 수소 환경에서 반응시켜 우라늄수소화합물(UH3)을 수득하는 단계;
상기 우라늄수소화합물(UH3)을 질소 환경에서 반응시켜 질화우라늄(U2N3)을 수득하는 단계 및
상기 수득된 질화 우라늄(U2N3)을 스파크 플라즈마 소결하여 일질화우라늄(UN) 소결체를 수득하는 단계를 포함하고,
상기 일질화우라늄(UN) 소결체는 UN 분말을 소결하여 수득한 소결체에 비하여 상대 밀도가 큰 것을 특징으로 하는 핵연료 소결체 제조방법.
- 제1항에 있어서,
상기 우라늄수소화합물(UH3)을 수득하는 단계는 200 ~ 250℃로 4 ~ 8 시간동안 수행되는 핵연료 소결체 제조방법.
- 제1항에 있어서,
상기 질화우라늄(U2N3)을 수득하는 단계는 700 ~ 900℃로 30분 ~ 1시간동안 수행되는 핵연료 소결체 제조방법.
- 제1항에 있어서,
상기 스파크 플라즈마 소결시 소결온도는 1500 ~ 1800℃인 핵연료 소결체 제조방법.
- 제1항에 있어서,
상기 스파크 플라즈마 소결시 압력은 15 ~ 50 Mpa인 핵연료 소결체 제조방법.
- 제1항 내지 제5항 중 어느 한항에 따른 제조방법에 의하여 제조된 일질화우라늄(UN) 소결체.
- 삭제
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KR1020200145248A KR102478843B1 (ko) | 2020-11-03 | 2020-11-03 | 스파크 플라즈마 소결을 이용한 고밀도 핵연료 소결체 제조방법 |
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KR1020200145248A KR102478843B1 (ko) | 2020-11-03 | 2020-11-03 | 스파크 플라즈마 소결을 이용한 고밀도 핵연료 소결체 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20220059725A KR20220059725A (ko) | 2022-05-10 |
KR102478843B1 true KR102478843B1 (ko) | 2022-12-19 |
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KR (1) | KR102478843B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016070126A1 (en) | 2014-10-30 | 2016-05-06 | Tri Alpha Energy, Inc. | Systems and methods for forming and maintaining a high performance frc |
Family Cites Families (2)
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FR2486296B1 (fr) * | 1980-07-04 | 1986-06-06 | Electricite De France | Reacteur nucleaire refroidi par un metal liquide |
KR101622569B1 (ko) | 2014-10-31 | 2016-05-19 | 한국원자력연구원 | 핵연료 복합재료 소결체 및 이의 제조방법 |
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Patent Citations (1)
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WO2016070126A1 (en) | 2014-10-30 | 2016-05-06 | Tri Alpha Energy, Inc. | Systems and methods for forming and maintaining a high performance frc |
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