Cerâmica alumina 99,5% de alta pureza, resistente a alta temperatura até 1600 ° C, cerâmica dura

Peças de cerâmica de alumínio personalizadas

A cerâmica de alumina (Al2O3) é um material cerâmico avançado com alta dureza, resistência a altas temperaturas e resistência à corrosão, amplamente utilizado em eletrônica, máquinas, indústria química, tratamento médico...

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99% Alumina Propriedades Cerâmicas
Item	Unidade
Propriedades Físicas
Cor		Marfim / Bege
Densidade	G / cm3	3.85
Conteúdo de Alumina	%	99%
Permeabilidade ao gás		0
Absorção de água		0
Propriedades Mecânicas
MONS Dureza	Grau	9
Dureza Rockwell	JOGOS	92
Dureza Vickers (Hv50)	Gpa (Kg / mm2)	15.7（1600）
Resistência à flexão (20C)	Mpa	330
Resistência à compressão (20C)	Mpa	2000
Resistência à Fratura (20C)	MPam1/2	4
Módulo de Elasticidade	Vidro	350-400
Propriedades Térmicas
Condutividade térmica (20C-400C)	W ( m.K )	27.5
Coeficiente de Expansão Térmica	10-6 / C	7.6
Resistência ao choque térmico	◎ TC	200
Temperatura máxima de uso	C	1650
Propriedades Eletrônicas
Força dielétrica	KV / mm	＞10
Constante Dielétrica	É	9.1
Ângulo de Perda Dielétrico (1MHz)		0.0002-0.0003
Resistividade a Volume (20C )	O.cm	＞1014

Principais características

Dureza ultra-alta (dureza Mohs 9, perdendo apenas para o diamante)

Resistência a altas temperaturas (temperatura de uso de longo prazo até 1600C)

Excelente isolamento elétrico (material de isolamento de alta frequência preferido)

Resistência química à corrosão (resistência a ácidos e álcalis, resistência à oxidação)

Baixa taxa de desgaste (adequado para ambientes de alto atrito)

Indústrias de aplicação

Indústria eletrônica: substratos cerâmicos, anéis isolantes, componentes de tubos de vácuo

Vedações mecânicas: buchas de bomba, vedações de válvula

Campo médico: articulações artificiais, implantes dentários

Componentes resistentes a altas temperaturas: revestimento do forno, tubo de proteção do termopar

Consultoria técnica: Fornecemos soluções cerâmicas de alumina de pureza diferente 99,5% / 99,9% / 96 / 95, suportando personalização CAD e massa

Produção.

Consulta de produto

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