Rolamentos cerâmicos de zircônia, sem lubrificação, resistência à corrosão, velocidade aumentada em 30%

Peças de cerâmica de zircônia personalizadas

As cerâmicas de zircônia (ZrO) são um tipo de cerâmica de engenharia avançada com alta resistência, alta tenacidade e resistência ao desgaste. Com suas excelentes propriedades mecânicas e biocompatibilidade, é amplament...

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Propriedades cerâmicas de zircônia estabilizada com ítria
Item	Unidade	Valores Típicos
Propriedades Físicas
Cor		Personalizado
Densidade	G / cm3	6.00
Conteúdo de zircônia	%	94.4
Permeabilidade a gás		0
Absorção de água		0
Tamanho Do Cristal	Hum	0.5
Propriedades Mecânicas
Dureza de Moh	Grau	8.2
Dureza Rockwell (45N)	JOGOS	78
Dureza Vickers (Carga 500g)	Gpa (Kg / mm2)	11.5（1175）
Resistência à flexão ( 20C )	Mpa	800
Resistência à compressão (20C)	Mpa	2000
Módulo de elasticidade (20C)	Vidro	＞200
Resistência à Fratura (20C)	Mpam1/2	9
Propriedades Térmicas
Condutividade térmica (20C-400C)	W / m.K	2.5
Coeficiente de Expansão Térmica	10-6 / C	9.6
Resistência ao choque térmico	◎ TC	250
Propriedades Eletrônicas
Constante Dielétrica	É	30

Principais características

Tenacidade ultra-alta (tenacidade à fratura 6-10 MPa · m ² / ², excedendo em muito a alumina)

Baixa condutividade térmica (2-3 W / m · K, excelente desempenho de isolamento térmico)

Resistência à corrosão (resistência ácida e alcalina, resistência à oxidação, adequada para ambientes químicos)

Excelente resistência ao desgaste (HV≥1200, adequado para peças de alto atrito)

Áreas de Aplicação

Vedações mecânicas: (buchas para bombas, vedações de válvulas)

Peças resistentes ao desgaste: (rolamentos de cerâmica, rodas-guia, bicos)

Componentes eletrônicos: (sensores de oxigênio, diafragmas de células de combustível)

Aeroespacial: (revestimentos de isolamento térmico de alta temperatura, peças de motor)

Indústria energética: (electrólitos de células de combustível de óxido sólido)

Consulta de produto

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