Materials for Resonant GW detectors

Density Young mod. Cross sect. Length Mass Q
(g/cm^3) (GPa) for fixed freq. (normal. to Al) (normal. to Al) (million)
(normal. to Al)
Al (5056) 2.67 70.6 1.000 1 1 60
B 2.35 441 118.100 2.664 16.641
Be 1.85 318 74.656 2.550 11.484 0.2
Co 8.9 211 2.537 0.947 2.830
Cr 7.1 279 7.159 1.219 4.818
Fe 7.8 211 3.093 1.011 3.023
Ir 22.4 528 6.295 0.944 7.061
Mo 10.2 325 6.089 1.098 5.053 40
Nb 8.57 105 0.469 0.681 1.012 50
Os 22.5 559 7.211 0.969 7.675
Ru 12.2 432 9.483 1.157 7.081
Ti 4.54 116 1.561 0.983 1.615
W 19.3 411 4.207 0.897 5.224
Al_2 O_3 3.98 438 52.676 2.040 12.657 1000
Cu Be 8.2 130 0.855 0.774 1.426
Si C 3.2 445 76.020 2.293 14.455 0.4

Last Update: 16/03/96

Name: Sergio FRASCA