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Material Properties
Material
Density
(g/cm3)
CTE
(ppm/° 25-150°C)
Thermal Conductivity
(at 25°C)(W/mK)
Bend Strength
(MPa)
Young's Modulus
(GPa)
Si 2.3 4.2 151 112
GaAs 5.23 6.5 54
AlSiC
(63v% SiC)
3 7.5 170 - 200 450 175
Kovar
(Ni-Fe)
8.1 5.2 11 - 17 131
CuW
(10-20% Cu)
15.7 - 17 6.5 - 8.3 180 - 200 1172 367
CuMo
(15-20% Mo)
10 7 - 7 160 - 170 313
Cu 8.96 17.8 398 330 131
Al 2.7 23.6 238 137 - 200 68
SiC 3.2 2.7 200 - 270 450 415
AlN 3.3 4.5 170 - 200 300 310
Al2O3 3.98 6.5 20 - 30 300 350
BeO 3.9 7.6 250 250 345
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