# Some Thermal Expansion Coefficients

| The following table lists some thermal expansion coefficients:
|  | Numbers are mostly from Wikipedia. Don't just believe it! Always counter check numbers found somewhere by at least going to one more source, e.g. from this link
Group | Metal | a · 10–6/ at 20oC |  | Element | a · 10–6/ at 20oC |  | Various Materials | a · 10–6/ at 20oC
--- | --- | --- | --- | --- | --- | --- | --- | ---
Ib | Cu | 16.5 |  | Antinomy | 10.5 |  | Aramid | -4.1
Ag | 19.5 |  | Beryllium | 12.3 |  | Concrete | 6 - 14
Au | 14.2 |  | C (Diamond) | 1.3 |  | Bronze | 17.5
IIa | Mg | 26.0 |  | Germanium | 6.0 |  | Ice | 51
Ca | 22 |  | Silicon | 2.0 |  | Rubber | 160 - 220
IIb | Zn | 36.0 |  |  |  |  | Glas | 4.7 - 7.6
Cd | 41 |  |  |  |  | Quartz (amorphous) | 0.5
Hg | 0.182 |  |  |  |  | Ceramic ("Zerodur") | 0.1
IIIa | Al | 23 |  |  |  |  | Granite | 3.0
IVa | Sn | 26.7 |  |  |  |  | Graphite | 2.0
Pb | 29.3 |  |  |  |  | NaCl | 40
VIIIb | Fe | 12.2 |  |  |  |  | Carbon fibre | -0.5
Ti | 10.8 |  |  |  |  | Brass | 18.4
Ni | 13.0 |  |  |  |  | Nylon | 120
Vb/VIb | Ir | 6.5 |  |  |  |  | PVC | 50 - 240
Cr | 6.2 |  |  |  |  | Steel (stainless) | 14.4 - 16
Mo | 5.2 |  |  |  |  | Liquids |
W | 4.5 |  |  |  |  | Alcohol | 1.1
VIIIb | Rh | 9.8 |  |  |  |  | Glycerin | 0,49
Pd | 11.2 |  |  |  |  | Water | 0,21
Pt | 9.0 |  |  |  |  | Acetic Acid | 1.07
You find the values for all elements in the links in this periodic table |  |  |

With frame

3.2.3 Stress and Strain

© H. Föll (Semiconductor Technology - Script)