Irodov – Problems in General Physics

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