DE1043534B - Material fuer das gleichzeitige Abbremsen und Absorbieren von Neutronen und Verfahren zu seiner Herstellung - Google Patents

Material fuer das gleichzeitige Abbremsen und Absorbieren von Neutronen und Verfahren zu seiner Herstellung

Info

Publication number
DE1043534B
DE1043534B DEM31353A DEM0031353A DE1043534B DE 1043534 B DE1043534 B DE 1043534B DE M31353 A DEM31353 A DE M31353A DE M0031353 A DEM0031353 A DE M0031353A DE 1043534 B DE1043534 B DE 1043534B
Authority
DE
Germany
Prior art keywords
boron compound
graphite
mixture
binder
neutrons
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.)
Pending
Application number
DEM31353A
Other languages
German (de)
English (en)
Inventor
Ivo Joseph Lockyer
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.)
Morgan Crucible Co PLC
Original Assignee
Morgan Crucible Co PLC
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 Morgan Crucible Co PLC filed Critical Morgan Crucible Co PLC
Publication of DE1043534B publication Critical patent/DE1043534B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24—Slow-wave structures, e.g. delay systems
    • H01J23/30—Damping arrangements associated with slow-wave structures, e.g. for suppression of unwanted oscillations
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/08—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records
    • G11B17/12—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis
    • G11B17/16—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in stationary centre post, e.g. with stepped post, using fingers on post
    • 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
    • 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
    • G21C5/00—Moderator or core structure; Selection of materials for use as moderator
    • G21C5/12—Moderator or core structure; Selection of materials for use as moderator characterised by composition, e.g. the moderator containing additional substances which ensure improved heat resistance of the moderator
    • G21C5/126—Carbonic moderators
    • 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
    • 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
    • G21F1/06—Ceramics; Glasses; Refractories
    • 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
    • G21F1/10—Organic substances; Dispersions in organic carriers
    • G21F1/103—Dispersions in organic carriers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/56—Contact spring sets
    • H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
    • 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 & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Electromagnetism (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Microwave Tubes (AREA)
  • Ceramic Products (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)
  • Contacts (AREA)
DEM31353A 1955-08-12 1956-08-07 Material fuer das gleichzeitige Abbremsen und Absorbieren von Neutronen und Verfahren zu seiner Herstellung Pending DE1043534B (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB339994X 1955-08-12
GB345043X 1955-09-23
GB334124X 1955-10-25
GB310756X 1956-07-31

Publications (1)

Publication Number Publication Date
DE1043534B true DE1043534B (de) 1958-11-13

Family

ID=27448799

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM31353A Pending DE1043534B (de) 1955-08-12 1956-08-07 Material fuer das gleichzeitige Abbremsen und Absorbieren von Neutronen und Verfahren zu seiner Herstellung

Country Status (8)

Country Link
US (1) US2882441A (US20100223739A1-20100909-C00025.png)
BE (1) BE550196A (US20100223739A1-20100909-C00025.png)
CH (3) CH339994A (US20100223739A1-20100909-C00025.png)
DE (1) DE1043534B (US20100223739A1-20100909-C00025.png)
FR (3) FR1160723A (US20100223739A1-20100909-C00025.png)
GB (4) GB797692A (US20100223739A1-20100909-C00025.png)
LU (1) LU34572A1 (US20100223739A1-20100909-C00025.png)
NL (3) NL209604A (US20100223739A1-20100909-C00025.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1178527B (de) * 1959-11-24 1964-09-24 Licentia Gmbh Kernreaktorabschirmung

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967968A (en) * 1957-06-24 1961-01-10 Gen Electric Electron discharge device
US3231521A (en) * 1961-05-24 1966-01-25 Carborundum Co Neutron shielding using a composition comprising graphite, boron carbide and carbonized residue
US3324342A (en) * 1963-07-12 1967-06-06 Varian Associates Traveling wave tube having maximum gain and power output at the same beam voltage
GB1373493A (en) * 1971-01-07 1974-11-13 British Nuclear Design Constr Nuclear reactors
US4074211A (en) * 1976-09-07 1978-02-14 The United States Of America As Represented By The Secretary Of The Army Dielectric substrate for slow-wave structure
DE2752040C3 (de) * 1977-11-22 1981-10-08 Elektroschmelzwerk Kempten GmbH, 8000 München Neutronenabsorberplatten auf Grundlage von Borcarbid und Kohlenstoff und Verfahren zu ihrer Herstellung
GB2296370B (en) * 1994-12-19 1998-07-29 Eev Ltd Travelling wave tubes
FR2995360B1 (fr) 2012-09-12 2018-06-15 Snecma Procede de montage d'un panneau acoustique dans un carter d'une turbomachine et turbomachine comportant un panneau acoustique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1060245A (fr) * 1952-07-15 1954-03-31 Centre Nat Rech Scient Matériau absorbant les radiations d'origine nucléaire et notamment les radiations neutroniques
DE913000C (de) * 1943-07-08 1954-06-08 Dr Boris Rajewsky Bauelement oder Bauteil zum Schutz gegen Neutronen- und ª†-Strahlung
FR1092901A (fr) * 1953-02-14 1955-04-28 Procédé pour l'établissement de cloisons, murs, panneaux, etc. en vue de la protection contre les radiations nocives

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE476787A (US20100223739A1-20100909-C00025.png) * 1946-10-22
US2584597A (en) * 1949-01-26 1952-02-05 Sylvania Electric Prod Traveling wave tube
GB764681A (en) * 1952-01-01 1957-01-02 Mullard Radio Valve Co Ltd Improvements in travelling wave tubes
US2771565A (en) * 1952-08-19 1956-11-20 Itt Traveling wave tubes
US2752430A (en) * 1954-03-11 1956-06-26 Hughes Aircraft Co Traveling-wave tube automatic gain control
BE557951A (US20100223739A1-20100909-C00025.png) * 1954-10-29

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE913000C (de) * 1943-07-08 1954-06-08 Dr Boris Rajewsky Bauelement oder Bauteil zum Schutz gegen Neutronen- und ª†-Strahlung
FR1060245A (fr) * 1952-07-15 1954-03-31 Centre Nat Rech Scient Matériau absorbant les radiations d'origine nucléaire et notamment les radiations neutroniques
FR1092901A (fr) * 1953-02-14 1955-04-28 Procédé pour l'établissement de cloisons, murs, panneaux, etc. en vue de la protection contre les radiations nocives

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1178527B (de) * 1959-11-24 1964-09-24 Licentia Gmbh Kernreaktorabschirmung

Also Published As

Publication number Publication date
GB810098A (en) 1959-03-11
BE550196A (US20100223739A1-20100909-C00025.png)
NL211372A (US20100223739A1-20100909-C00025.png)
CH334124A (fr) 1958-11-15
GB797692A (en) 1958-07-09
CH339994A (fr) 1959-07-31
GB821915A (en) 1959-10-14
NL103284C (US20100223739A1-20100909-C00025.png)
NL209604A (US20100223739A1-20100909-C00025.png)
LU34572A1 (US20100223739A1-20100909-C00025.png)
GB802876A (en) 1958-10-15
CH345043A (de) 1960-03-15
FR1156297A (fr) 1958-05-14
FR1160723A (fr) 1958-07-29
FR1159105A (fr) 1958-06-23
US2882441A (en) 1959-04-14

Similar Documents

Publication Publication Date Title
EP2014391B1 (de) Verfahren zur Herstellung eines Kern und/oder Formsandes für Giessereizwecke
EP2347422B1 (de) Matrixmaterial aus graphit und anorganischen bindemitteln geeignet zur endlagerung von radioaktiven abfällen, verfahren zu dessen herstellung, dessen verarbeitung und verwendung
DE102010008162A1 (de) Verfahren für die Herstellung von Quarzglas
DE1302552B (US20100223739A1-20100909-C00025.png)
DE1043534B (de) Material fuer das gleichzeitige Abbremsen und Absorbieren von Neutronen und Verfahren zu seiner Herstellung
DE3214242C2 (US20100223739A1-20100909-C00025.png)
DE3022945C2 (de) Feuersicherer Schrank
DE1771019C3 (de) Verfahren zum Herstellen von über 500 Grad C und gegen Strahlung beständigen Werkstücken aus einem neutronenabsorbierenden Graphitprodukt
EP3170187B1 (de) Verfahren zur dekontamination von kontaminiertem graphit
DE3812705A1 (de) Verfahren zur behandlung bzw. aufbereitung von ton oder tonigen massen, verfahren zum entsorgen von schadstoffen mittels ton oder tonigen massen, und deponieabdichtung bzw. -auskleidung mittels ton oder tonigen massen
EP1469960A1 (de) Verfahren zum herstellen eines insbesondere im kreislauf geführten formsandes für giessereizwecke
DE1064163B (de) Kernreaktor-Abschirmmaterial und Verfahren zu seiner Herstellung
CH492656A (de) Gegen radioaktive Strahlen, insbesondere Gamma- und Neutronenstrahlen, abschirmender Baustoff und Verfahren zu seiner Herstellung
DE1167459B (de) Neutronenschirm
DE3046539A1 (de) Verfahren und vorrichtung zum herstellen von tritium
DE1471511C3 (de) Verfahren zur Herstellung von Urancarbidsphäroiden
DE10148146B4 (de) Verfahren zur Entsorgung eines mit mindestens einem Radiotoxikum kontaminierten Gegenstandes aus Reaktorgraphit und/oder Kohlestein
DE2014706A1 (de) Verfahren und Produkt zum Isolieren von zur Umhüllung und zum Transport radioakti ver Stoffe und dgl dienenden Verpackungen
DE102016112039A1 (de) Platte, insbesondere Abdeckplatte für Metallschmelzen, sowie Verfahren zur Herstellung der Platte und deren Verwendung
DE102012112648B4 (de) Graphitmatrix mit kristallinem Bindemittel
DE1171798B (de) Strahlenschutzwand fuer Kernreaktoren oder dergleichen bzw. Bauelement zum Aufbau einer solchen Strahlenschutzwand
DE102004035597B4 (de) Verfahren zur Herstellung eines Neutronen absorbierenden Werkstoffes sowie Neutronen absorbierender Werkstoff
AT237139B (de) Verfahren zur Herstellung von Kernbrennelementen
DE2218379B2 (de) Waermespeicherkern fuer speicherheizkoerper sowie verfahren zu dessen herstellung
DE2944720A1 (de) Verfahren zur konditionierung von radioaktiven brennelementhuelsen