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PROCESS FOR MARKING A REFRACTORY CERAMIC PART
A process for marking a surface of a refractory ceramic part, known as the “surface to be marked.” The part has a microstructure of grains including more than 50% by mass of ZrO2, bound by a silicate binder phase, and a total porosity of less than 5% by volume. The process involves irradiation of the surface with a laser beam. The beam is emitted by a laser device set to comply with relationship: a.V2+b.F2+c.VF+d.V+e.F+f<0, in which: a=104.D+2×106, b=0.5×106.D−150×106, c=0.5×106.D−300×106, d=5×103.D−2.5×106, e=−5×103.D+2.0×106, and f=−5×109.D+1.8×1012. V is expressed in mm/second, D is expressed in mm and F is expressed in kHz.
PROCESS FOR MARKING A REFRACTORY CERAMIC PART
A process for marking a surface of a refractory ceramic part, known as the “surface to be marked.” The part has a microstructure of grains including more than 50% by mass of ZrO2, bound by a silicate binder phase, and a total porosity of less than 5% by volume. The process involves irradiation of the surface with a laser beam. The beam is emitted by a laser device set to comply with relationship: a.V2+b.F2+c.VF+d.V+e.F+f<0, in which: a=104.D+2×106, b=0.5×106.D−150×106, c=0.5×106.D−300×106, d=5×103.D−2.5×106, e=−5×103.D+2.0×106, and f=−5×109.D+1.8×1012. V is expressed in mm/second, D is expressed in mm and F is expressed in kHz.
PROCESS FOR MARKING A REFRACTORY CERAMIC PART
BORIES OLIVIER (author)
2021-09-30
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
Rapid solidification forming process of refractory ceramic
| European Patent Office | 2022