Specification

Crystal structure

Cubic crystal system

Lattice parameters

12.01 Å

Orientation

<111> or <100> crystalline within 5°

Melting

1970λC

Moh's hardness

8.5

Density

4.56±0.04 g/cm3

Specific heat

0.59 J/g.cm3

Elastic Modulus

310 GPa

Young's modulus

3.17X104Kg/mm2

Poisson's ratio

0.3(est.)

Tensile strength

0.13~0.26 GPa

Thermal expansion coefficient

<100> Direction: 8.2x10-6 /°C(0~250°C)

<110> Direction: 7.7x10-6/°C(0~250°C)

<111> Direction: 7.8x10-6/°C(0~250°C)

Thermo-optical coefficient

7.3×10 -6/°C

Thermal shock coefficient

790W/m