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4750 Magnolia Street
Port Townsend, WA 98368
Tel: 360-379-6707
Toll Free: 877-452-4910
Fax: 360-379-6907
[email protected]
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Synthetic Diamond Properties
| Available dimensions: diameter, mm
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1.0 - 60.0 |
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|
thickness, mm
|
0.2 - 1.8 |
| Hardness, GPa
|
81 +/- 18 |
| Fracture toughness, MPa x m1/2
|
5.3 - 7.0 |
| Young's modulus, GPa
|
1000 - 1100 |
| Poisson's ratio
|
0.1 |
| Tensile strength (Weibull modulus), MPa
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|
|
Nucleation surface
|
800 [11] |
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Growth surface
|
400 [23] |
| Rain impact DTV 2 mm drop size, m/s
|
525 |
| Sand erosion @ 80 m/s C25/52 sand, mg/kg
|
0.18 |
| Thermal conductivity @ 300 K, W/m x K
|
1900 - 2200 |
| Thermal conductivity @ 500 K, W/m x K
|
1100 |
| Thermal expansion coefficient, ppm/K
|
1.0 @ 300 K
4.4 @ 1000 K
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| Thermal shock FOM, 103 W/m
|
~1000 |
| Refractive index @ 10 µm
|
2.375 |
| dn/dT, K-1
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9.6 x 10-6 |
| Dielectric constant D @ 35 GHz
|
5.68 +/- 0.15 |
| % Increase in D @ 773 K
|
4.3 |
| Loss tangent 145 GHz (10-6)
|
8 - 50 |
| 8 - 12 µm absorption coefficient, cm-1
|
< 0.07 |
| 3 - 5 µm absorption coefficient, cm-1
|
min 0.8 @ 3.7 µm |
| Emissivity at 10 µm
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0.02 @ 573 K
0.03 @ 773 K
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| Integrated forward scatter 8 - 12 µm, %
|
0.1 - 0.7 µm |
| Integrated forward scatter visible, %
|
< 4 |
| Density, 103 kg/m3
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3.515 |
| Specific heat capacity 300 K, J x g-1 x K-1
|
0.52 |
| Transmission @ 8-200 µm (1 mm thick), %
|
> =70 |
| Transmission @ 633 µm (1 mm thick), %
|
> 48 |
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