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Materials

 

Accuflect®

Aluminum Nitride

Aluminum Oxide

Boron Nitride

Fused Silica

Macor®

Mullite

Sialon

Silicon Carbide

Silicon Nitride

Zirconium Oxide

 

 

Accuflect®

(See the Accuflect® section in Standard Products for more information including reflectance curves.)

Accuflect® is a specially formulated and processed ceramic developed by Accuratus to satisfy the market demand for diffuse reflectors in high temperature and high energy environments.

.Key Property
check Highly diffuse reflectance from near UV to Infrared
.
Typical Uses
check Flashlamp pumped solid state laser cavities
check Diode laser pumped solid state laser cavities
check High temperature diffuse illumination
check High temperature lamp housings
check Tube furnace radiant energy reflectors

General Information
B6 type Accuflect® is a porous ceramic usable to 1100 °C. B6 material has enhanced reflectance in the infrared. When the material is used in water cooled cavities or areas of significant contamination a glazed ceramic designated G6 is recommended. G6 is usable to 750°C.

Engineering Properties*                                                            Download Accuflect® datasheet 

Accuflect®

Mechanical

Units of Measure

SI/Metric

(Imperial)

Density

gm/cc (lb/ft3)

2.3

(143.5)

Porosity

% (%)

30

(30)

Color

white

Flexural Strength

MPa (lb/in2x103)

27.5

(4)

Elastic Modulus

GPa (lb/in2x106)

Shear Modulus

GPa (lb/in2x106)

Bulk Modulus

GPa (lb/in2x106)

Poisson’s Ratio

Compressive Strength

MPa (lb/in2x103)

62

(9)

Hardness

Kg/mm2

Fracture Toughness KIC

MPa•m1/2

Maximum Use Temperature
(no load)

°C (°F)

1200

(2200)

Thermal




Thermal Conductivity

W/m•°K (BTU•in/ft2•hr•°F)

Coefficient of Thermal Expansion

10–6/°C (10–6/°F)

7.7

(4.3)

Specific Heat

J/Kg•°K (Btu/lb•°F)

Electrical




Dielectric Strength

ac-kv/mm (volts/mil)

3

(80)

Dielectric Constant

5.5

(5.5)

Dissipation Factor

0.003

(.003)

Loss Tangent

Volume Resistivity

ohm•cm

*All properties are room temperature values except as noted.
The data presented is typical of commercially available material and is offered for comparative purposes only. The information is not to be interpreted as absolute material properties nor does it constitute a representation or warranty for which we assume legal liability. User shall determine suitability of the material for the intended use and assumes all risk and liability whatsoever in connection therewith.

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