PRODUCTION OF HIGH-DENSITY ISOTROPIC CARBON MATERIAL

PURPOSE:To obtain the subject material having lowered electrical resistance by mixing specific amount of one or more kinds of highly conductive raw material such as carbon fiber to a self-sintering material, forming the mixture to a desired shape and subjecting the formed article successively to car...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	TAKEGAWA TOMEI, MOROTOMI HIDETOSHI, SHIODE TETSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS THEREOF CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY NON-METALLIC ELEMENTS REFRACTORIES SLAG TREATMENT OF NATURAL STONE
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PURPOSE:To obtain the subject material having lowered electrical resistance by mixing specific amount of one or more kinds of highly conductive raw material such as carbon fiber to a self-sintering material, forming the mixture to a desired shape and subjecting the formed article successively to carbonization treatment and graphitization treatment. CONSTITUTION:A self-sintering material such as meso-carbon micro-beads is mixed with 5-50wt.% of one or more kinds of highly conductive material such as carbon fiber grown in vapor phase and having a fiber diameter of 0.1-1mum and a fiber length of 0.01-1mm. The mixture is formed by cold hydrostatic forming under 0.5-5T/cm . The obtained formed article is carbonized by heating to about 1000-1200 deg.C at a heating rate of 0.01-5 deg.C/min and then heated to about 2000-2800 deg.C at a heating rate of 1-10 deg.C/min to obtain the objective high-density isotropic carbon material having low electrical resistance.