Zirkonia-Keramiklager, keine Schmierung, Korrosionsbeständigkeit, Geschwindigkeit um 30% erhöht

Kundenspezifische Zirkonia-Keramikteile

Zirkoniumdioxid-Keramik (ZrO₂) ist eine Art fortschrittlicher technischer Keramik mit hoher Festigkeit, hoher Zähigkeit und Verschleißfestigkeit. Mit ihren hervorragenden mechanischen Eigenschaften und ihrer Biokompatibi...

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Yttria-stabilisierte Zirkoniumdioxid-Keramik-Eigenschaften
Artikel	Einheit	Typische Werte
Physikalische Eigenschaften
Farbe		Angepasst
Dichte	g / cm3	6.00
Zirkoniumdioxid-Gehalt	%	94.4
Gasdurchlässigkeit		0
Wasseraufnahme		0
Kristall Größe	Ähm	0.5
Mechanische Eigenschaften
Moh 's Härte	Klasse	8.2
Rockwell-Härte (45N)	SPIEL	78
Vickers-Härte (Belastung 500g)	Gpa (Kg / mm2)	11.5（1175）
Biegefestigkeit (20C)	Mpa	800
Druckfestigkeit (20C)	Mpa	2000
Elastizitätsmodul (20C)	Glas	＞200
Bruchzähigkeit (20C)	Mpam1/2	9
Thermische Eigenschaften
Wärmeleitfähigkeit (20C-400C)	W / m.K	2.5
Wärmeausdehnungskoeffizient	10-6 / C	9.6
Widerstandsfähigkeit gegen thermische Stöße	△ TC	250
Elektronische Eigenschaften
Dielektrische Konstante	Ist	30

Hauptmerkmale

Ultrahohe Zähigkeit (Bruchzähigkeit 6-10 MPa · m¹ / ², weit über Tonerde)

Niedrige Wärmeleitfähigkeit (2-3 W / m · K, hervorragende Wärmedämmleistung)

Korrosionsbeständigkeit (Säure- und Laugenbeständigkeit, Oxidationsbeständigkeit, geeignet für chemische Umgebungen)

Hervorragende Verschleißfestigkeit (HV≥1200, geeignet für Teile mit hoher Reibung)

Anwendungsbereiche

Gleitringdichtungen: (Hülsen für Pumpen, Ventildichtungen)

Verschleißfeste Teile: (Keramiklager, Führungsräder, Düsen)

Elektronische Komponenten: (Sauerstoffsensoren, Brennstoffzellenmembranen)

Luft- und Raumfahrt: (Hochtemperatur-Wärmedämmbeschichtungen, Motorenteile)

Energiewirtschaft: (Festoxid-Brennstoffzellenelektrolyte)

Produkt-Anfrage

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