99,5% hochreine Aluminiumoxid-Keramik, hochtemperaturbeständig bis 1600 ° C, Hartkeramik

Kundenspezifische Aluminiumoxid-Keramikteile

Aluminiumoxid-Keramik (Al2O3) ist ein fortschrittliches keramisches Material mit hoher Härte, hoher Temperaturbeständigkeit und Korrosionsbeständigkeit, das in der Elektronik, im Maschinenbau, in der chemischen Industrie...

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99% Aluminiumoxid-Keramik-Eigenschaften
Artikel	Einheit
Physikalische Eigenschaften
Farbe		Elfenbein / Beige
Dichte	g / cm3	3.85
Aluminiumoxid-Gehalt	%	99%
Gasdurchlässigkeit		0
Wasseraufnahme		0
Mechanische Eigenschaften
MONS Härte	Klasse	9
Rockwell-Härte	SPIEL	92
Vickers-Härte (Hv50)	Gpa (Kg / mm2)	15.7（1600）
Biegefestigkeit (20C)	Mpa	330
Druckfestigkeit (20C)	Mpa	2000
Bruchzähigkeit (20C)	MPam1/2	4
Elastizitätsmodul	Glas	350-400
Thermische Eigenschaften
Wärmeleitfähigkeit (20C-400C)	W (m.K)	27.5
Wärmeausdehnungskoeffizient	10-6 / C	7.6
Widerstandsfähigkeit gegen thermische Stöße	△ TC	200
Maximale Nutzungstemperatur	C	1650
Elektronische Eigenschaften
Durchschlagfestigkeit	KV / mm	＞10
Dielektrische Konstante	Ist	9.1
Dielektrischer Verlustwinkel (1MHz)		0.0002-0.0003
Volumenwiderstand (20C)	O.cm	＞1014

Hauptmerkmale

Ultrahohe Härte (Mohshärte 9, nach Diamant die zweithöchste)

Hohe Temperaturbeständigkeit (Langzeitgebrauchstemperatur bis zu 1600 ° C)

Hervorragende elektrische Isolierung (bevorzugtes Hochfrequenz-Isoliermaterial)

Chemische Korrosionsbeständigkeit (Säure- und Laugenbeständigkeit, Oxidationsbeständigkeit)

Geringe Verschleißrate (geeignet für Umgebungen mit hoher Reibung)

Anwendungsindustrien

Elektronikindustrie: keramische Substrate, Isolierringe, Vakuumrohrkomponenten

Gleitringdichtungen: Pumpenhülsen, Ventildichtungen

Medizinischer Bereich: künstliche Gelenke, Zahnimplantate

Hochtemperaturbeständige Komponenten: Ofenauskleidung, Thermoelement-Schutzrohr

Technische Beratung: Wir bieten Aluminiumoxid-Keramiklösungen unterschiedlicher Reinheit von 99,5% / 99,9% / 96 / 95, die CAD-Anpassung und Masse unterstützen

Produktion.

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