12. Thermal Expansion Coefficients
(at room temperatures)
Solids
Linear expansion
coefficient; a,
10-6 K-1
Liquids
Bulk expansion
coefficient; 13,
10-4
Aluminium
22.9
Water
2.1
Brass
18.9
Glycerin
5.0
Copper
16.7
Kerosene
10.0
Steel (iron)
11
Mercury
1.8
Common glass
8.5
Ethyl alcohol
11.0
-
=81'
a
Note. a=
at
OT '
V OT
13. Elastic Constants. Tensile Strength
Material
Young's
modulus E.
GPa
Shear
modulus
G, GPa
Poisson's
ratio (I
Tensile
strength um,
&Pa
ity
omprssibil13,
e
GPa-1
Aluminium
70
26
0.34
0.10
0.014
Copper
130
40
0.34
0.30
0.007
Lead
16
5.6
0.44
0.015
0.022
Steel (iron)
200
81
0.29
0.60
0.006
Glass
60
30
0.25
0.05
0.025
Water
0.49
av
Note. Compressibility 13 =-7- op
14. Saturated Vapour Pressure
°C
Pressure,
kPa
°C
Pressure,
kPa
°C
Pressure,
kPa
0
0.61
25
3.15
60
19.9
5
0.87
30
4.23
70
31.0
10
1.22
35
5.60
80
47.3
15
1.70
40
7.35
90
70.0
20
2.33
50
12.3
100
101.3