Average Coefficient of Expansion for some Materials Near Room Temperature
Material
|
Average
Linear Expansion Coefficient (α)(°C)-1
|
Aluminum
|
24 x 10-6
|
Brass and bronze
|
19 x 10-6
|
Concrete
|
12 x 10-6
|
Copper
|
17 x 10-6
|
Glass (ordinary)
|
9 x 10-6
|
Glass (pyrex)
|
3.2 x 10-6
|
Invar (Ni-Fe alloy)
|
0.9 x 10-6
|
Lead
|
29 x 10-6
|
Steel
|
11 x 10-6
|
Acetone
|
1.5 x 10-4
|
Alcohol, ethyl
|
1.12 x 10-4
|
Benzene
|
1.24 x 10-4
|
Gasoline
|
9.6 x 10-4
|
Glycerin
|
4.85 x 10-4
|
Mercury
|
1.82 x 10-4
|
Turpentine
|
9.0 x 10-4
|
Airnote 1 at 0°C
|
3.67 x 10-3
|
Heliumnote 1
|
3.665 x 10-3
|
Note 1: “Gases do not have a specific
value for the volume expansion coefficient because the amount of expansion
depends on the type of process through which the gas is taken. The values given
here assume the gas undergoes an expansion at constant pressure (Serway and
Vuille 2012, pg 278) .”
(source:Serway, Raymond A., and Chris Vuille. College
Physics . 9th Hybrid. Boston, Ma: Brooks/Cole, 2012.)
(source:
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