AC0918 Alumina Fasteners

Catalog No. AC0918
Material Alumina, Zirconia
Standard Metric, America
Color White

Stanford Advanced Materials provides ceramic products, including fasteners, bolts, screws and nuts in both American and metric standard. Non-standard custom production is available for large quantity. Typical materials are 99.8% alumina and stabilized zirconia.

Alumina Fasteners Specifications 

Alumina Screws_Ceramic Screws

Alumina Fasteners Description

Alumina Ceramics as a fine ceramic material is widely used in a lot of industries. This material has superb performances in electrical insulation, high chemical resistance and low thermal expansion. High purity alumina materials are excellent for making parts for CVD, ion implants, photolithography, and semiconductor parts. In traditional industries, alumina ceramics are ideal for products such as injector tubes, gas nozzles and insulators. Alumina tubes are widely used as protector for high temperature thermal couples. Ceramic fasteners are made by materials with very low thermal expansion coefficient and excellent wear resistance. 

Alumina Fasteners Specifications

Composition

UNIT

Al93

Al98

Al2O3  Content

%

97

99.8

Color

 

White

Ivory

Tensile

Kpsi

30

32

Flexural

Kpsi

55

60

Compressive

Kpsi

300

330

Density

g/cc

3.70

3.92

Hardness

HV, GPa

13.8

18

Thermal Conductivity

W/(m K)

25

32

C.O.T.E.

In / In°C (x107)

77

78

Working Temperature

°C

1500

1750

Dielectric Constant

 

9.5

9.8

Volume Resistivity

Ohm-cm

>10^14

>10^15

Dielectric Strength

KV/mm

16

20

 

 

Prototyping service also available for other ceramics material

Boron Nitride

Pyrolytic boron nitride

Silicon Carbide (98% 99.5%)

Silicon Nitride

Boron Carbide

Zirconia

 

 

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