Sintered boron nitride body and method for producing a sintered boron nitride body
Sources:nanopure | Release date:
2018-10-06
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Key words:Sintered boron nitride body and method for producing a sintered boron nitride body
In order to provide a sintered, hexagonal boron nitride body ( 2 a, 2 b ), 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/cm 3 . Studies have shown that, due to the selection of this lower density, the boron nitride body ( 2 a, 2 b ) 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.
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