Published January 13, 1995
| Version v1
Patent
Process and device for electrochemical machining of metal and especially for the inner surface of PWR vessel bottom head penetration
Description
In this electrochemical machining the electrolyte is a solution of lithium nitrate with a concentration between 50 g/l and 250 g/l and the current density is preferentially between 5 A/cm2 and 50 A/cm2. 5 figs
Availability note (English)
Available from Institut National de la Propriete Industrielle, Paris (France).Additional details
Additional titles
- Original title (French)
- Procede et dispositif d'usinage electrochimique de materiaux metalliques et notamment de la surface interne de traversees de fond de cuve d'un reacteur nucleaire
Publishing Information
- Imprint Pagination
- 15 p.
- IPC:
- Int. Cl. C25f3/08; G21c17/017; G21c13/036.
- IPC
- Int. Cl. C25f3/08; G21c17/017; G21c13/036.
- Patent number
- FR patent document 2707303/A/
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 26071639
- Subject category
- S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
- Resource subtype / Literary indicator
- Non-conventional Literature
- Descriptors DEI
- ELECTROCHEMICAL MACHINING; ELECTROLYTES; LITHIUM NITRATES; NICKEL ALLOYS; PRESSURE VESSELS; PWR TYPE REACTORS; REACTOR INSTRUMENTATION; REMOTE HANDLING EQUIPMENT; SEALS; STAINLESS STEELS
- Descriptors DEC
- ALKALI METAL COMPOUNDS; ALLOYS; CARBON ADDITIONS; CHEMICAL MACHINING; CONTAINERS; ENRICHED URANIUM REACTORS; EQUIPMENT; HIGH ALLOY STEELS; IRON ALLOYS; IRON BASE ALLOYS; LITHIUM COMPOUNDS; MACHINING; MATERIALS HANDLING EQUIPMENT; NITRATES; NITROGEN COMPOUNDS; OXYGEN COMPOUNDS; POWER REACTORS; REACTORS; STEELS; THERMAL REACTORS; TRANSITION ELEMENT ALLOYS; WATER COOLED REACTORS; WATER MODERATED REACTORS
Optional Information
- Secondary number(s)
- FR patent application 9308433.