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Aluminum Nitride Ceramic Material

Aluminum Nitride Ceramic Material

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Aluminum Nitride (AlN) Ceramic Materials


Attributes NameCeramic Materials
Product NameAluminum Nitride Ceramic Materials
Element SymbolAlN
Purity2N, 3N, 4N
ShapeCustomize
Overview

Physical and chemical properties

It has the characteristics of high strength, high hardness, wear resistance and corrosion resistance.

(1) High thermal conductivity (about 320W/m K), close to BeO and SiC, more than 5 times that of Al2O3;

(2) The thermal expansion coefficient (4.5×10-6°C) matches Si (3.5-4×10-6°C) and GaAs (6×10-6°C);

(3) Excellent electrical properties (dielectric constant, dielectric loss, volume resistivity, dielectric strength);

(4) Good mechanical properties, higher flexural strength than Al2O3 and BeO ceramics, and can be sintered at normal pressure;

(5) Good optical transmission characteristics;

(6) Non-toxic

Main performance indicators of aluminum nitride ceramics
Property Content Property Index
Density(g/cm') 3.30 g/cm'
Water absorption(%) 0
Thermal conductivity(20℃,W/m.k) ≥170
Lincar expansion cocfficient(RT-400℃,10-6/℃) 4.4
Flexural strength (MPra) ≥330
Bulk resistance (Q . cm) ≥1014
Dielectric constant(1MIz) 9
Dissipation lactor (1MIz) 3×10-4
Dielectric strength (KV/mm) ≥15
Surface roughness Ra(u m) 0.3~0.5
Canber (/25.4(length)) 0.03~0.05
Appearance Dcnse


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Main performance indicators of aluminum nitride ceramics
Property Content Property Index
Density(g/cm') 3.30 g/cm'
Water absorption(%) 0
Thermal conductivity(20℃,W/m.k) ≥170
Lincar expansion cocfficient(RT-400℃,10-6/℃) 4.4
Flexural strength (MPra) ≥330
Bulk resistance (Q . cm) ≥1014
Dielectric constant(1MIz) 9
Dissipation lactor (1MIz) 3×10-4
Dielectric strength (KV/mm) ≥15
Surface roughness Ra(u m) 0.3~0.5
Canber (/25.4(length)) 0.03~0.05
Appearance Dcnse


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