ZA828575B - Neutron absorber pellets with modified microstructure - Google Patents

Neutron absorber pellets with modified microstructure

Info

Publication number
ZA828575B
ZA828575B ZA828575A ZA828575A ZA828575B ZA 828575 B ZA828575 B ZA 828575B ZA 828575 A ZA828575 A ZA 828575A ZA 828575 A ZA828575 A ZA 828575A ZA 828575 B ZA828575 B ZA 828575B
Authority
ZA
South Africa
Prior art keywords
neutron absorber
modified microstructure
absorber pellets
pellets
microstructure
Prior art date
Application number
ZA828575A
Other languages
English (en)
Inventor
Kenneth Charles Radford
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ZA828575B publication Critical patent/ZA828575B/xx

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)
ZA828575A 1981-12-28 1982-11-19 Neutron absorber pellets with modified microstructure ZA828575B (en)

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 (1)

Publication Number Publication Date
ZA828575B true ZA828575B (en) 1983-11-30

Family

ID=23308515

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA828575A ZA828575B (en) 1981-12-28 1982-11-19 Neutron absorber pellets with modified microstructure

Country Status (16)

Country Link
US (1) US4474728A (xx)
JP (1) JPS58118984A (xx)
KR (1) KR910000595B1 (xx)
AU (1) AU562697B2 (xx)
BE (1) BE895483A (xx)
CH (1) CH663680A5 (xx)
DE (1) DE3248020A1 (xx)
ES (1) ES8506932A1 (xx)
FR (1) FR2522867B1 (xx)
GB (1) GB2112560B (xx)
IE (1) IE53787B1 (xx)
IL (1) IL67321A (xx)
IT (1) IT1153916B (xx)
PH (1) PH21065A (xx)
SE (1) SE460235B (xx)
ZA (1) ZA828575B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
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
US20060189474A1 (en) * 2005-02-23 2006-08-24 Yeckley Russell L Alumina-boron carbide ceramics and methods of making and using the same
KR20070114757A (ko) * 2005-02-23 2007-12-04 케나메탈 아이엔씨. 알루미나-보론 카바이드 세라믹스와, 이를 제조하고이용하는 방법
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
PH21065A (en) 1987-07-10
KR910000595B1 (ko) 1991-01-26
SE8206704L (sv) 1983-06-29
US4474728A (en) 1984-10-02
ES518591A0 (es) 1985-07-16
IL67321A (en) 1986-03-31
GB2112560B (en) 1986-05-21
IT1153916B (it) 1987-01-21
GB2112560A (en) 1983-07-20
FR2522867A1 (fr) 1983-09-09
CH663680A5 (de) 1987-12-31
KR840003118A (ko) 1984-08-13
SE8206704D0 (sv) 1982-11-24
BE895483A (fr) 1983-06-27
FR2522867B1 (fr) 1988-07-29
AU9100582A (en) 1983-07-07
ES8506932A1 (es) 1985-07-16
IE822740L (en) 1983-06-28
AU562697B2 (en) 1987-06-18
IT8224994A1 (it) 1984-06-27
JPS58118984A (ja) 1983-07-15
DE3248020A1 (de) 1983-09-08
IE53787B1 (en) 1989-02-15
JPH0337717B2 (xx) 1991-06-06
IT8224994A0 (it) 1982-12-27
SE460235B (sv) 1989-09-18

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