Crucible demolding agent material

The present invention provides a crucible demolding agent material, which mainly comprises silicon nitride, wherein the silicon nitride component contains 0.5-30 wt% of nanometer silicon nitride witha particle size of less than 100 nm. According to the present invention, the nano-scale silicon nitri...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WEI RUCHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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