Published May 30, 1980
| Version v1
Patent
Granular cast iron with boron and its application to the mixing of concrete for protection against nuclear radiation
Description
The invention aims to propose a concrete additive which, alone, brings together a high density property able to stop the gamma radiations, combined with a large cross section, able to capture the thermal neutrons. With this in view, the first object of the invention is the application of granular cast iron containing around 0.1 to 5% boron by weight. Its further object is the fabrication of this granular material, characterized by a preparation in the cupola furnace into which is injected a boron compound, preferably ore containing boron
Availability note (English)
Available from Institut National de la Propriete Industrielle, Paris (France).Abstract (French)
L'invention vise a proposer un additif pour beton qui, a lui seul, reunit une propriete de densite elevee propre a freiner les rayonnements gamma, combinee a une grande section efficace, apte a capturer les neutrons thermiques. A cet effet, l'invention a pour premier objet l'application d'une grenaille de fonte qui contient environ 0,1 a 5% en poids de bore. Elle a enfin pour objet un procede de fabrication d'une telle grenaille, caracterisee par une preparation au cubilot dans lequel on injecte un compose du bore, de preference un minerai contenant du boreAdditional details
Additional titles
- Original title (French)
- Grenaille au bore et application de cette grenaille a la realisation de beton pour la protection contre les radiations nucleaires
Publishing Information
- Imprint Pagination
- 5 p.
- IPC:
- Int. Cl. C22c37/00; G21f1/04.
- IPC
- Int. Cl. C22c37/00; G21f1/04.
- Patent number
- FR patent document 2440410/A/
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 12581084
- Subject category
- S36: MATERIALS SCIENCE; S22: GENERAL STUDIES OF NUCLEAR REACTORS;
- Resource subtype / Literary indicator
- Non-conventional Literature
- Descriptors DEI
- BORON; CONCRETES; SHIELDING MATERIALS
- Descriptors DEC
- BUILDING MATERIALS; ELEMENTS; SEMIMETALS