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2. Merger
2.1 Electron bombardment melting
A copper crucible cooled externally by circulating water is used (figure 3 ). This crucible contains a block of titanium or titanium alloy, which is bombarded by a rotating electron beam of 50 to 1,000 kW under a high vacuum of the order of 10 -2 Pa.
Under these conditions, the upper part of the block is melted and heated to between 1,800 and 2,000°C.
However, the crucible is only in contact with the solid part of the metal block, and this solid-state contact between the cooled crucible and the titanium does not give rise to a chemical reaction.
When...
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The Ultimate Scientific and Technical Reference
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Merger
Bibliography
Theses
- - http://www.sudoc.abes.fr
- CARAYON (G.-A.) - Influence et optimisation des paramètres de coulée du titane en odontologie : caractérisation des pièces coulées. - Nice (1997).
- ...
Standardization
French Standards Association (AFNOR)
- Implants chirurgicaux. Alliage de titane TA6V. Partie 3 : produits semi‐finis obtenus par moulage. - NF S 94‐080-3 - 1‐97
American Society for Testing and Materials (ASTM)
- Standard...
Main suppliers of titanium and titanium alloy castings
(Non-exhaustive list)
Europe
TARAMM (France) : http://www.taramm.com
SETTAS (Belgium) - Doncasters Group : http://www.doncasters.com
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The Ultimate Scientific and Technical Reference