C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/00 (2006.01) A61C 13/00 (2006.01) A61C 13/083 (2006.01) C04B 35/64 (2006.01)
Patent
CA 2630542
The invention relates to, inter alia, a process for producing a shaped ceramic body (22), which comprises the following steps: production or provision of a green body (10) having a structured surface region (12), irradiation of at least the structured surface region (12) so that the green body (10) is strengthened in the region of a volume zone (16) encompassing the structured surface region (12) but is not strengthened or strengthened only to a relatively small extent in volume zones more distant from the surface, separation of the strengthened volume zone (16) encompassing the structured surface region (12) from parts of the green body (10) which have not been strengthened or strengthened only to a relatively small extent and, if appropriate, cleaning of the strengthened volume zone (16) obtained in this way.
L'invention concerne entre autres un procédé de production d'un corps façonné (22) en céramique. Ce procédé consiste à produire ou préparer un corps cru (10) comportant une région superficielle texturée (12), à exposer au moins la région superficielle texturée (12) à un rayonnement de sorte que le corps cru (10) soit solidifié au niveau d'une zone volumique (16) qui comprend la région superficielle texturée (12) mais ne soit pas ou que faiblement solidifié dans les zones volumiques plus éloignées de la surface, à séparer la zone volumique (16) solidifiée comprenant la région superficielle texturée (12) des parties du corps cru (10) qui ne sont pas ou que faiblement solidifiées et éventuellement à nettoyer la zone volumique (16) solidifiée ainsi obtenue.
Dierkes Stephan
Gahler Andre
Guenster Jens
Heinrich Juergen
Wiest Thomas
Bego Bremer Goldschlagerei Wilh. Herbst Gmbh & Co. Kg
Oyen Wiggs Green & Mutala Llp
Technische Universitaet Clausthal
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