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
Note. a= -^ at =- 81'a
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
omprssibil-
13,
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