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Gesinterter Bornitrid-Körper sowie Verfahren zum Herstellen eines gesinterten Bornitrid-Körpers
Gesinterter Bornitrid-Körper (2a), der durch einen Kaltpressvorgang und einen Heißpressvorgang und durch einen anschließendem Sintervorgang aus einem Pulver (P) eines hexagonalen Bornitrids hergestellt ist, dadurch gekennzeichnet, dass er eine Dichte von kleiner 1,6 g/cm3 aufweist.
In order to provide a sintered, hexagonal boron nitride body (2a, 2b), same is produced by at least one pressing process and subsequent sintering process from a powder (P) made of a hexagonal boron nitride, its density being deliberately set to a value of <1.6 g/cm3. Studies have shown that, due to the selection of this lower density, the boron nitride body (2a, 2b) exhibits very high isotropy, when compared with conventional hexagonal boron nitride bodies. This relates in particular to thermal conductivity and the coefficient of thermal expansion, which are also largely temperature-independent.
Gesinterter Bornitrid-Körper sowie Verfahren zum Herstellen eines gesinterten Bornitrid-Körpers
Gesinterter Bornitrid-Körper (2a), der durch einen Kaltpressvorgang und einen Heißpressvorgang und durch einen anschließendem Sintervorgang aus einem Pulver (P) eines hexagonalen Bornitrids hergestellt ist, dadurch gekennzeichnet, dass er eine Dichte von kleiner 1,6 g/cm3 aufweist.
In order to provide a sintered, hexagonal boron nitride body (2a, 2b), same is produced by at least one pressing process and subsequent sintering process from a powder (P) made of a hexagonal boron nitride, its density being deliberately set to a value of <1.6 g/cm3. Studies have shown that, due to the selection of this lower density, the boron nitride body (2a, 2b) exhibits very high isotropy, when compared with conventional hexagonal boron nitride bodies. This relates in particular to thermal conductivity and the coefficient of thermal expansion, which are also largely temperature-independent.
Gesinterter Bornitrid-Körper sowie Verfahren zum Herstellen eines gesinterten Bornitrid-Körpers
GRAU RUDOLF KARL (author) / NGOUMENI YAPPI RODRIGUE (author) / SCHWEIGER HUBERT JOSEF (author)
2017-02-02
Patent
Electronic Resource
German
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2015
| European Patent Office | 2023
| European Patent Office | 2023