IT1153916B - Pastiglie d'assorbimento di neutroni aventi microstruttura modificata - Google Patents
Pastiglie d'assorbimento di neutroni aventi microstruttura modificataInfo
- Publication number
- IT1153916B IT1153916B IT24994/82A IT2499482A IT1153916B IT 1153916 B IT1153916 B IT 1153916B IT 24994/82 A IT24994/82 A IT 24994/82A IT 2499482 A IT2499482 A IT 2499482A IT 1153916 B IT1153916 B IT 1153916B
- Authority
- IT
- Italy
- Prior art keywords
- neutron absorption
- absorption pads
- modified microstructure
- microstructure
- modified
- Prior art date
Links
Classifications
-
- 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
- G21C21/18—Manufacture of control elements covered by group G21C7/00
-
- 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/02—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect
- G21C7/04—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect of burnable poisons
-
- 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)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Ceramic Products (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/334,720 US4474728A (en) | 1981-12-28 | 1981-12-28 | Neutron absorber pellets with modified microstructure |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8224994A0 IT8224994A0 (it) | 1982-12-27 |
IT8224994A1 IT8224994A1 (it) | 1984-06-27 |
IT1153916B true IT1153916B (it) | 1987-01-21 |
Family
ID=23308515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24994/82A IT1153916B (it) | 1981-12-28 | 1982-12-27 | Pastiglie d'assorbimento di neutroni aventi microstruttura modificata |
Country Status (16)
Country | Link |
---|---|
US (1) | US4474728A (it) |
JP (1) | JPS58118984A (it) |
KR (1) | KR910000595B1 (it) |
AU (1) | AU562697B2 (it) |
BE (1) | BE895483A (it) |
CH (1) | CH663680A5 (it) |
DE (1) | DE3248020A1 (it) |
ES (1) | ES8506932A1 (it) |
FR (1) | FR2522867B1 (it) |
GB (1) | GB2112560B (it) |
IE (1) | IE53787B1 (it) |
IL (1) | IL67321A (it) |
IT (1) | IT1153916B (it) |
PH (1) | PH21065A (it) |
SE (1) | SE460235B (it) |
ZA (1) | ZA828575B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4826630A (en) * | 1981-12-28 | 1989-05-02 | Westinghouse Electric Corp. | Burnable neutron absorbers |
US4566989A (en) * | 1982-02-26 | 1986-01-28 | Westinghouse Electric Corp. | Burnable neutron absorbers |
US4696793A (en) * | 1984-03-28 | 1987-09-29 | Westinghouse Electric Corp. | Burnable poison rod for use in a nuclear reactor |
US4818477A (en) * | 1984-07-10 | 1989-04-04 | Westinghouse Electric Corp. | PCI resistant fuel and method and apparatus for controlling reactivity in a reactor core |
US4683114A (en) * | 1984-12-05 | 1987-07-28 | Westinghouse Electric Corp. | Burnable absorber-containing nuclear fuel pellets and formation of the same |
US4683116A (en) * | 1985-05-09 | 1987-07-28 | Westinghouse Electric Corp. | Nuclear reactor |
US4695476A (en) * | 1985-06-06 | 1987-09-22 | Westinghouse Electric Corp. | Process for coating the internal surface of zirconium tubes with neutron absorbers |
US4751041A (en) * | 1986-01-15 | 1988-06-14 | Westinghouse Electric Corp. | Burnable neutron absorber element |
US4744922A (en) * | 1986-07-10 | 1988-05-17 | Advanced Refractory Technologies, Inc. | Neutron-absorbing material and method of making same |
US5242622A (en) * | 1988-09-15 | 1993-09-07 | Compagnie Europeenne Du Zirconium Cezus | Process for the production of a neutron absorbing pellet, the pellet obtained and the use thereof |
US5273709A (en) * | 1990-10-01 | 1993-12-28 | Thermal Technology Inc. | High neutron absorbing refractory compositions of matter and methods for their manufacture |
US5156804A (en) * | 1990-10-01 | 1992-10-20 | Thermal Technology, Inc. | High neutron-absorbing refractory compositions of matter and methods for their manufacture |
US5416813A (en) * | 1992-10-30 | 1995-05-16 | Kabushiki Kaisha Toshiba | Moderator rod containing burnable poison and fuel assembly utilizing same |
US6332906B1 (en) | 1998-03-24 | 2001-12-25 | California Consolidated Technology, Inc. | Aluminum-silicon alloy formed from a metal powder |
US5965829A (en) * | 1998-04-14 | 1999-10-12 | Reynolds Metals Company | Radiation absorbing refractory composition |
US7460632B2 (en) * | 2004-09-22 | 2008-12-02 | Areva Np Inc. | Control rod absorber stack support |
WO2006091951A2 (en) * | 2005-02-23 | 2006-08-31 | Kennametal Inc. | Alumina-boron carbide ceramics and methods of making and using the same |
US20060189474A1 (en) * | 2005-02-23 | 2006-08-24 | Yeckley Russell L | Alumina-boron carbide ceramics and methods of making and using the same |
US8781057B2 (en) * | 2010-12-16 | 2014-07-15 | Babcock & Wilcox Mpower, Inc. | Control system and method for pressurized water reactor (PWR) and PWR systems including same |
US11367537B2 (en) * | 2017-05-09 | 2022-06-21 | Westinghouse Electric Company Llc | Annular nuclear fuel pellets with central burnable absorber |
US20230036331A1 (en) * | 2020-01-09 | 2023-02-02 | Westinghouse Electric Company Llc | A nuclear fuel assembly and a method of manufacture thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB835257A (en) * | 1956-05-18 | 1960-05-18 | Parsons C A & Co Ltd | Improvements in and relating to nuclear reactors |
GB865226A (en) * | 1958-01-06 | 1961-04-12 | Gen Electric Co Ltd | Improvements in or relating to nuclear reactor control rod materials |
US3088898A (en) * | 1958-01-06 | 1963-05-07 | Gen Electric Co Ltd | Control rod materials |
US3108886A (en) * | 1958-12-29 | 1963-10-29 | Carborundum Co | Hard, refractory crystalline materials |
US3423324A (en) * | 1964-11-20 | 1969-01-21 | Owens Illinois Inc | Apparatus and method for producing silica and other oxides |
GB1283159A (en) * | 1970-05-21 | 1972-07-26 | Atomic Energy Authority Uk | Improvements in neutron absorbers |
FR2133017A5 (en) * | 1971-04-06 | 1972-11-24 | Desmarquest & Cec | Nuclear reactor combustible poison - comprising ceramics formed from oxide and carbide |
DE2614185C2 (de) * | 1976-04-02 | 1987-11-12 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Neutronen absorbierende Formkörper aus silikatischem Grundmaterial |
-
1981
- 1981-12-28 US US06/334,720 patent/US4474728A/en not_active Expired - Fee Related
-
1982
- 1982-11-17 IE IE2740/82A patent/IE53787B1/en unknown
- 1982-11-19 ZA ZA828575A patent/ZA828575B/xx unknown
- 1982-11-22 IL IL67321A patent/IL67321A/xx unknown
- 1982-11-24 SE SE8206704A patent/SE460235B/sv not_active IP Right Cessation
- 1982-11-30 AU AU91005/82A patent/AU562697B2/en not_active Ceased
- 1982-12-01 FR FR8220163A patent/FR2522867B1/fr not_active Expired
- 1982-12-03 PH PH28217A patent/PH21065A/en unknown
- 1982-12-24 DE DE19823248020 patent/DE3248020A1/de not_active Withdrawn
- 1982-12-27 BE BE0/209816A patent/BE895483A/fr not_active IP Right Cessation
- 1982-12-27 CH CH7568/82A patent/CH663680A5/de not_active IP Right Cessation
- 1982-12-27 ES ES518591A patent/ES8506932A1/es not_active Expired
- 1982-12-27 IT IT24994/82A patent/IT1153916B/it active
- 1982-12-28 KR KR8205850A patent/KR910000595B1/ko active
- 1982-12-28 JP JP57227850A patent/JPS58118984A/ja active Granted
- 1982-12-30 GB GB08236876A patent/GB2112560B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES518591A0 (es) | 1985-07-16 |
SE8206704L (sv) | 1983-06-29 |
FR2522867B1 (fr) | 1988-07-29 |
ZA828575B (en) | 1983-11-30 |
JPH0337717B2 (it) | 1991-06-06 |
IT8224994A0 (it) | 1982-12-27 |
IL67321A (en) | 1986-03-31 |
KR840003118A (ko) | 1984-08-13 |
ES8506932A1 (es) | 1985-07-16 |
KR910000595B1 (ko) | 1991-01-26 |
JPS58118984A (ja) | 1983-07-15 |
PH21065A (en) | 1987-07-10 |
FR2522867A1 (fr) | 1983-09-09 |
AU562697B2 (en) | 1987-06-18 |
IT8224994A1 (it) | 1984-06-27 |
BE895483A (fr) | 1983-06-27 |
GB2112560B (en) | 1986-05-21 |
GB2112560A (en) | 1983-07-20 |
SE8206704D0 (sv) | 1982-11-24 |
US4474728A (en) | 1984-10-02 |
SE460235B (sv) | 1989-09-18 |
AU9100582A (en) | 1983-07-07 |
IE822740L (en) | 1983-06-28 |
CH663680A5 (de) | 1987-12-31 |
DE3248020A1 (de) | 1983-09-08 |
IE53787B1 (en) | 1989-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1153916B (it) | Pastiglie d'assorbimento di neutroni aventi microstruttura modificata | |
MA19609A1 (fr) | N-phenyl sufonyl -N' pyrimidinyl-et-triazinylurees | |
DK147081C (da) | Helikopterdaek | |
LT2397B (lt) | Dantu iklotu sudetis | |
DK112382A (da) | Reversibel mikroindkapsling | |
DE3266546D1 (de) | Hydridable pellets | |
TR21750A (tr) | Suerguelue jilet kapakh tras bicagi | |
IT1150266B (it) | Girotrone con stabilita' migliorata | |
FR2547054B1 (fr) | Spectrophotometre d'absorption atomique | |
FR2547053B1 (fr) | Spectrophotometre d'absorption atomique | |
FI821874A0 (fi) | Tak- eller vaeggkonstruktion | |
FR2509990B1 (fr) | Agents anti-solaires | |
FR2503818B1 (fr) | Volant d'inertie | |
FI812856L (fi) | Planetackumulator foer "sz" tvinning | |
BR8201041A (pt) | Recalcadora de via ferrea | |
BE883955A (fr) | "limnimetre" | |
SE8101863L (sv) | "archimedesskruv" | |
TR23064A (tr) | Frenleyici parasuete sahip mermir | |
BE883954A (fr) | "spanningsverzorgingsschakeling" | |
IT8183347A0 (it) | Perfezionamenti agli acetaboli ed acetaboli cosi' perfezionati. | |
IT8133814V0 (it) | "fiorella" | |
IT8133811V0 (it) | "essecamini-c" | |
IT8133807V0 (it) | "essecamini-bis" | |
IT8132827V0 (it) | "for-meches" | |
IT8132801V0 (it) | "vettor-drive" |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961230 |