GB917015A - Neutron-absorbing construction-parts for nuclear reactors and procedure for the manufacture - Google Patents

Neutron-absorbing construction-parts for nuclear reactors and procedure for the manufacture

Info

Publication number
GB917015A
GB917015A GB25275/59A GB2527559A GB917015A GB 917015 A GB917015 A GB 917015A GB 25275/59 A GB25275/59 A GB 25275/59A GB 2527559 A GB2527559 A GB 2527559A GB 917015 A GB917015 A GB 917015A
Authority
GB
United Kingdom
Prior art keywords
neutron
iron
steel
nuclear reactors
procedure
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
Application number
GB25275/59A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gebrueder Boehler and Co AG
Original Assignee
Gebrueder Boehler and Co AG
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 Gebrueder Boehler and Co AG filed Critical Gebrueder Boehler and Co AG
Publication of GB917015A publication Critical patent/GB917015A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C11/00—Shielding structurally associated with the reactor
    • G21C11/02—Biological shielding ; Neutron or gamma shielding
    • G21C11/028—Biological shielding ; Neutron or gamma shielding characterised by the form or by the material
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C11/00—Shielding structurally associated with the reactor
    • G21C11/02—Biological shielding ; Neutron or gamma shielding
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • G21C7/10—Construction of control elements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/24—Selection of substances for use as neutron-absorbing material
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00—Shielding characterised by the composition of the materials
    • G21F1/02—Selection of uniform shielding materials
    • G21F1/08—Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals
    • 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)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Ceramic Engineering (AREA)
  • Metallurgy (AREA)
  • Powder Metallurgy (AREA)

Abstract

Neutron-absorbing parts for nuclear reactors, such as control-rods and shielding, consist of unalloyed or slightly alloyed sintered iron or steel containing 2 to 15% by weight of neutron absorber and have a corrosion resisting coating; the density of the product is at least 7 gm./c.c. Preferably a powdered mixture of absorber and steel or iron is sintered at a temperature between 1260 DEG and 1300 DEG C. inside a stainless steel casing and the product is hot-formed. Absorbers mentioned are boron-carbide, cadmium fluoride and oxides of Sm, Gd or Eu. A composite mould may be used whose interior has the same compositions as the iron or steel powder. The Specification also refers to absorbers dispersed in stainless steel, Zr and Ti.
GB25275/59A 1958-07-26 1959-07-23 Neutron-absorbing construction-parts for nuclear reactors and procedure for the manufacture Expired GB917015A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT529458A AT213514B (en) 1958-07-26 1958-07-26 Neutron absorbing components for reactor construction and processes for the production thereof
CH554460A CH382864A (en) 1958-07-26 1960-05-14 Neutron absorbing components for reactor construction and processes for the production thereof

Publications (1)

Publication Number Publication Date
GB917015A true GB917015A (en) 1963-01-30

Family

ID=25602032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25275/59A Expired GB917015A (en) 1958-07-26 1959-07-23 Neutron-absorbing construction-parts for nuclear reactors and procedure for the manufacture

Country Status (4)

Country Link
AT (1) AT213514B (en)
CH (1) CH382864A (en)
FR (1) FR1230962A (en)
GB (1) GB917015A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451428A (en) * 1980-01-07 1984-05-29 Hitachi, Ltd. Control rods and method of producing same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES291691Y (en) * 1983-11-30 1987-01-16 Westinghouse Electric Corporation AUXILIARY CONTROL ROD FOR FINE ADJUSTMENT OF THE REACTIVITY OF A NUCLEAR REACTOR
US4840592A (en) * 1987-02-13 1989-06-20 Anderson Allen B Power driven underwater viewing platform

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451428A (en) * 1980-01-07 1984-05-29 Hitachi, Ltd. Control rods and method of producing same

Also Published As

Publication number Publication date
AT213514B (en) 1961-02-27
FR1230962A (en) 1960-09-21
CH382864A (en) 1964-10-15

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