JPH0348154B

JPH0348154B

A method for producing a sintered silicon carbide article of high density and mechanical strength comprising sintering in an inert atmosphere at a temperature of from 1900 to 2300 DEG C a shaped mixture of 100 parts by weight of finely divided silicon carbide powder, tar pitch in an amount to provid...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: YAMADA KOICHI, MORI MASAHIDE, NOMURA KOZABURO
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:A method for producing a sintered silicon carbide article of high density and mechanical strength comprising sintering in an inert atmosphere at a temperature of from 1900 to 2300 DEG C a shaped mixture of 100 parts by weight of finely divided silicon carbide powder, tar pitch in an amount to provide 4.2-6 parts by weight of carbon after carbonization and boron-containing component in an amount corresponding to 0.03 -0.15 parts by weight of boron.