VERFAHREN ZUR HERSTELLUNG VON KOHLENSTOFFARMEM SILICIUMNITRID

VERFAHREN ZUR HERSTELLUNG VON KOHLENSTOFFARMEM SILICIUMNITRID

An improved process for preparation of silicon nitride powder having a low carbon content comprises treating silicon nitride powder with an atmosphere containing chlorine gas at temperatures from 600 DEG to 1050 DEG C. and then with an atmosphere containing gaseous oxygen.

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: FRANZ,GERHARD,.DR, SCHOENFELDER,LOTHAR,.DR
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:An improved process for preparation of silicon nitride powder having a low carbon content comprises treating silicon nitride powder with an atmosphere containing chlorine gas at temperatures from 600 DEG to 1050 DEG C. and then with an atmosphere containing gaseous oxygen.