JP4019045B2 - 混合酸化物核燃料粉末及び混合酸化物核燃料焼結体の製造方法 - Google Patents
混合酸化物核燃料粉末及び混合酸化物核燃料焼結体の製造方法 Download PDFInfo
- Publication number
- JP4019045B2 JP4019045B2 JP2003519946A JP2003519946A JP4019045B2 JP 4019045 B2 JP4019045 B2 JP 4019045B2 JP 2003519946 A JP2003519946 A JP 2003519946A JP 2003519946 A JP2003519946 A JP 2003519946A JP 4019045 B2 JP4019045 B2 JP 4019045B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- mixture
- powder mixture
- nuclear fuel
- containing powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000843 powder Substances 0.000 title claims abstract description 436
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 239000000203 mixture Substances 0.000 claims abstract description 139
- 238000000034 method Methods 0.000 claims abstract description 110
- 238000006243 chemical reaction Methods 0.000 claims abstract description 59
- 230000008569 process Effects 0.000 claims abstract description 50
- 239000002245 particle Substances 0.000 claims abstract description 37
- 238000000227 grinding Methods 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims description 41
- 229910003439 heavy metal oxide Inorganic materials 0.000 claims description 18
- 239000011812 mixed powder Substances 0.000 claims description 18
- 229910052770 Uranium Inorganic materials 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 15
- 238000005245 sintering Methods 0.000 claims description 12
- 238000010574 gas phase reaction Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 8
- 239000002574 poison Substances 0.000 claims description 8
- 231100000614 poison Toxicity 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 239000002019 doping agent Substances 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- -1 milling aid Substances 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 2
- 235000013312 flour Nutrition 0.000 claims 2
- 239000008188 pellet Substances 0.000 claims 1
- 230000009969 flowable effect Effects 0.000 abstract description 14
- 230000001965 increasing effect Effects 0.000 abstract description 8
- 238000005056 compaction Methods 0.000 abstract 1
- 230000005283 ground state Effects 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 20
- 239000000126 substance Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 15
- 239000000446 fuel Substances 0.000 description 11
- 238000005469 granulation Methods 0.000 description 10
- 230000003179 granulation Effects 0.000 description 10
- 229910001385 heavy metal Inorganic materials 0.000 description 10
- 230000008901 benefit Effects 0.000 description 7
- 238000011049 filling Methods 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- 229910052778 Plutonium Inorganic materials 0.000 description 4
- 229910052776 Thorium Inorganic materials 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- 238000005563 spheronization Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 230000000877 morphologic effect Effects 0.000 description 3
- SANRKQGLYCLAFE-UHFFFAOYSA-H uranium hexafluoride Chemical compound F[U](F)(F)(F)(F)F SANRKQGLYCLAFE-UHFFFAOYSA-H 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 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 1
- PSPBAKLTRUOTFX-UHFFFAOYSA-N [O-2].[Pu+4].[U+6].[O-2].[O-2].[O-2].[O-2] Chemical compound [O-2].[Pu+4].[U+6].[O-2].[O-2].[O-2].[O-2] PSPBAKLTRUOTFX-UHFFFAOYSA-N 0.000 description 1
- OWABYHHSRWZQQU-UHFFFAOYSA-N [O-2].[U+6].[O-2].[Th+4] Chemical compound [O-2].[U+6].[O-2].[Th+4] OWABYHHSRWZQQU-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical class [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- RXWCTKVOMOOHCV-UHFFFAOYSA-N dioxouranium;dihydrofluoride Chemical compound F.F.O=[U]=O RXWCTKVOMOOHCV-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 150000002251 gadolinium compounds Chemical class 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229910000439 uranium oxide Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- G21C3/42—Selection of substances for use as reactor fuel
- G21C3/58—Solid reactor fuel Pellets made of fissile material
- G21C3/62—Ceramic fuel
- G21C3/623—Oxide fuels
-
- 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
- G21C3/62—Ceramic fuel
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10138874A DE10138874A1 (de) | 2001-08-08 | 2001-08-08 | Verfahren zur Herstellung eines Mischoxid-Kernbrennstoff-Pulvers und eines Mischoxid-Kernbrennstoff-Sinterkörpers |
| PCT/EP2002/008800 WO2003015105A2 (de) | 2001-08-08 | 2002-08-07 | Verfahren zur herstellung eines mischoxid-kernbrennstoff-pulvers und eines mischoxid-kernbrennstoff-sinterkörpers |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004538475A JP2004538475A (ja) | 2004-12-24 |
| JP2004538475A5 JP2004538475A5 (enExample) | 2005-10-27 |
| JP4019045B2 true JP4019045B2 (ja) | 2007-12-05 |
Family
ID=7694754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003519946A Expired - Fee Related JP4019045B2 (ja) | 2001-08-08 | 2002-08-07 | 混合酸化物核燃料粉末及び混合酸化物核燃料焼結体の製造方法 |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1415306B1 (enExample) |
| JP (1) | JP4019045B2 (enExample) |
| KR (1) | KR100717924B1 (enExample) |
| CN (1) | CN1251245C (enExample) |
| AU (1) | AU2002355467A1 (enExample) |
| DE (2) | DE10138874A1 (enExample) |
| WO (1) | WO2003015105A2 (enExample) |
| ZA (1) | ZA200400513B (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2861888B1 (fr) * | 2003-10-29 | 2008-02-29 | Franco Belge Combustibles | Procede de fabrication de pastilles de combustible nucleaire |
| KR100794071B1 (ko) * | 2006-12-05 | 2008-01-10 | 한국원자력연구원 | 핵연료 소결체의 제조 방법 |
| FR2909799A1 (fr) * | 2006-12-12 | 2008-06-13 | Commissariat Energie Atomique | Procede et fabrication d'elements de combustible nucleaire et contenant pour la mise en oeuvre d'un tel procede |
| CN101264514B (zh) * | 2007-03-14 | 2010-09-22 | 中国原子能科学研究院 | 制备238Pu源的粉末冶金工艺 |
| US9721679B2 (en) | 2008-04-08 | 2017-08-01 | Terrapower, Llc | Nuclear fission reactor fuel assembly adapted to permit expansion of the nuclear fuel contained therein |
| JP4885932B2 (ja) * | 2008-11-07 | 2012-02-29 | 独立行政法人日本原子力研究開発機構 | 粉粒体流動性測定装置及びその方法 |
| KR101002214B1 (ko) | 2009-04-02 | 2010-12-20 | 한국수력원자력 주식회사 | 고온가스로 핵연료 제조에서 중간화합물 통합 처리장치 및 방법 |
| FR2949598B1 (fr) * | 2009-09-02 | 2013-03-29 | Commissariat Energie Atomique | Procede de preparation d'un combustible nucleaire poreux a base d'au moins un actinide mineur |
| KR101104042B1 (ko) * | 2009-09-28 | 2012-01-06 | 한국원자력연구원 | 사용후 핵연료를 이용한 중수로용 핵연료 소결체 제조 방법 |
| FR2979469A1 (fr) * | 2011-08-22 | 2013-03-01 | Commissariat Energie Atomique | Procede de preparation d'un combustible nucleaire poreux |
| KR101407633B1 (ko) * | 2012-12-28 | 2014-06-13 | 한국원자력연구원 | U３o８ 첨가에 따른 uo２ 소결밀도 감소 경감화 방법 |
| FR3068169B1 (fr) | 2017-06-21 | 2019-08-23 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de preparation de pastilles d'un combustible dense mixte a base d'uranium, de plutonium et eventuellement d'actinide(s) mineur(s) |
| CN107610796B (zh) * | 2017-08-29 | 2019-08-13 | 中核四0四有限公司 | Mox制备过程不合格粉末回收方法 |
| CN109724903A (zh) * | 2017-10-30 | 2019-05-07 | 中核四0四有限公司 | 一种mox混料结果评价方法 |
| CN108320829B (zh) * | 2017-12-27 | 2021-06-22 | 中核四0四有限公司 | 一种mox芯块废料的回收处理方法 |
| CN113125311B (zh) * | 2019-12-31 | 2022-11-22 | 中核四0四有限公司 | 一种mox混合颗粒的检测方法 |
| US20230059151A1 (en) * | 2020-01-22 | 2023-02-23 | The Research Foundation For The State University Of New York | Ceramic matrix composites enable through metal halide assisted sintering |
| KR102324478B1 (ko) | 2021-06-10 | 2021-11-12 | 한전원자력연료 주식회사 | Ibc 블렌더를 이용한 핵연료 제조용 uo2 혼합 분말 제조 방법 및 이에 의해 제조된 핵연료 제조용 uo2 혼합 분말 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2004256B (en) * | 1977-09-16 | 1982-01-20 | Alkem Gmbh | Process for the production of uo2/puo2 nuclear fuels |
| JPS61286225A (ja) * | 1985-06-11 | 1986-12-16 | Mitsubishi Metal Corp | 六フツ化ウランを二酸化ウランに変換する方法 |
| FR2599883B1 (fr) * | 1986-06-10 | 1990-08-10 | Franco Belge Fabric Combustibl | Procede de fabrication de pastilles de combustible nucleaire a base d'oxyde d'uranium |
| GB8702371D0 (en) * | 1987-02-03 | 1987-03-11 | British Nuclear Fuels Plc | Pellet fabrication |
| FR2738076B1 (fr) * | 1995-08-25 | 1997-09-26 | Commissariat Energie Atomique | Procede de fabrication de pastilles de combustible nucleaire a base d'oxyde mixte (u, pu)o2 avec addition d'un produit organique soufre |
| KR100287326B1 (ko) * | 1997-06-27 | 2001-04-16 | 이종훈 | 산화물 핵연료 소결체의 불량품을 재활용 하는 방법 |
| JP2958292B2 (ja) * | 1997-10-02 | 1999-10-06 | 核燃料サイクル開発機構 | ウラン・プルトニウム混合酸化物の均一化混合方法 |
| GB2330684A (en) * | 1997-10-25 | 1999-04-28 | British Nuclear Fuels Plc | Production of nuclear fuel pellets |
| DE19812320C1 (de) * | 1998-03-20 | 1999-11-04 | Siemens Ag | Verfahren zur Herstellung von Kernbrennstoff-Sinterkörpern und entsprechende Sinterkörper |
| FR2786479B1 (fr) * | 1998-11-26 | 2001-10-19 | Commissariat Energie Atomique | Preparation par atomisation-sechage d'une poudre coulable de bioxyde d'uranium obtenu par conversion en voie seche de l'uf6 |
| WO2000045394A1 (fr) * | 1999-01-26 | 2000-08-03 | Belgonucleaire Sa | PROCEDE DE RECYCLAGE A SEC DE REBUTS DE COMBUSTIBLE NUCLEAIRE D'OXYDE MIXTE D'(U, Pu)O¿2? |
| WO2001003143A1 (fr) * | 1999-07-02 | 2001-01-11 | Belgonucleaire S.A. | PROCEDE DE FABRICATION DE PASTILLES DE COMBUSTIBLE NUCLEAIRE D'OXYDE MIXTE (U, Pu)O2 A PARTIR DE POUDRE D'UO2 NON COULABLE |
| ATE266892T1 (de) * | 1999-09-06 | 2004-05-15 | Europ Economic Community | Verfahren zur herstellung von kernbrennstofftabletten vom typ mox |
| JP4889663B2 (ja) * | 2008-02-07 | 2012-03-07 | 株式会社セイシン企業 | 気流式ふるい分け方法および装置 |
-
2001
- 2001-08-08 DE DE10138874A patent/DE10138874A1/de not_active Withdrawn
-
2002
- 2002-08-07 JP JP2003519946A patent/JP4019045B2/ja not_active Expired - Fee Related
- 2002-08-07 EP EP02794565A patent/EP1415306B1/de not_active Expired - Lifetime
- 2002-08-07 WO PCT/EP2002/008800 patent/WO2003015105A2/de not_active Ceased
- 2002-08-07 CN CNB02815472XA patent/CN1251245C/zh not_active Expired - Fee Related
- 2002-08-07 KR KR1020047001897A patent/KR100717924B1/ko not_active Expired - Fee Related
- 2002-08-07 DE DE50210390T patent/DE50210390D1/de not_active Expired - Lifetime
- 2002-08-07 AU AU2002355467A patent/AU2002355467A1/en not_active Abandoned
-
2004
- 2004-01-23 ZA ZA200400513A patent/ZA200400513B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1251245C (zh) | 2006-04-12 |
| KR100717924B1 (ko) | 2007-05-11 |
| DE50210390D1 (de) | 2007-08-09 |
| KR20040029408A (ko) | 2004-04-06 |
| WO2003015105A2 (de) | 2003-02-20 |
| CN1539149A (zh) | 2004-10-20 |
| JP2004538475A (ja) | 2004-12-24 |
| AU2002355467A1 (en) | 2003-02-24 |
| EP1415306A2 (de) | 2004-05-06 |
| DE10138874A1 (de) | 2003-03-06 |
| EP1415306B1 (de) | 2007-06-27 |
| ZA200400513B (en) | 2004-07-19 |
| WO2003015105A3 (de) | 2003-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4019045B2 (ja) | 混合酸化物核燃料粉末及び混合酸化物核燃料焼結体の製造方法 | |
| US4061700A (en) | Fugitive binder for nuclear fuel materials | |
| JP3863226B2 (ja) | ウランとプルトニウムとの混合酸化物を主成分とし、有機硫黄化合物を添加した核燃料ペレットの製法 | |
| CN1886805B (zh) | 核燃料球粒的生产方法 | |
| JP2004538475A5 (enExample) | ||
| GB2320800A (en) | Nuclear fuel pellets | |
| JP3211051B2 (ja) | ウラン酸化物粒子を原料とする核燃料ペレットの製造方法 | |
| GB2038073A (en) | Method for homogenizing mixed oxide nuclear fuels | |
| JP3919929B2 (ja) | 核燃料ペレットと、その製造方法と、その燃料要素および燃料集合体 | |
| JP4075116B2 (ja) | 核燃料粒子の製造方法及び核燃料ペレットの製造方法 | |
| EP0277708B1 (en) | Pellet fabrication | |
| US3761546A (en) | Method of making uranium dioxide bodies | |
| JP5153981B2 (ja) | Ｍｏｘタイプの核燃料ペレットの製法 | |
| Richter et al. | Direct pressing: a new method of fabricating MX fuel pellets | |
| JP2588947B2 (ja) | 酸化物核燃料焼結体の製造方法 | |
| CN101341551B (zh) | 制造微粒材料的方法 | |
| CN101341550B (zh) | 致密核燃料材料的制造方法 | |
| CA1082443A (en) | Fugitive binder for nuclear fuel materials | |
| CN113968739A (zh) | 一种混合氮化物粉末的制备方法 | |
| Lee et al. | Improvement of the sinterability of thermally-treated UO2 powder by horizontal rotary ball milling | |
| JPH0631761B2 (ja) | 硝酸に溶解し得る焼結混合酸化物を硝酸塩溶液から製造する方法 | |
| Hollenberg et al. | Scale-up of lithium aluminate pellet manufacturing with a flowable powder | |
| Gallivan | Fugitive binder for nuclear fuel materials | |
| RU2002116628A (ru) | Способ изготовления таблетированного топлива для тепловыделяющих элементов | |
| JPS6097294A (ja) | 酸化物系核燃料焼結体の製法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040311 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040311 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070201 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070426 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070426 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20070913 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20070921 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4019045 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100928 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100928 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110928 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110928 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120928 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130928 Year of fee payment: 6 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |