2-12.Coefficient of linear expansion of solid (1)

The coefficient of linear expansion is@ƒΏ(1/l0)E(dl/dt)@ Considered byB Butl0 To 0 ‹ C Length in t, l is the length at t ‹ C.
Quality ƒΏ / K-1
100 K 293 K (20Ž) 500 K 800 K
Single body x 10-6
zinc 24.5 30.2 32.8 |
aluminum 12.2 23.1 26.4 34.0
Antimony 9.1 11.0 11.7 11.7
iridium 4.4 6.4 7.2 8.1
indium 25.4 32.1 | |
osmium | 4.7 | |
cadmium 26.9 30.8 36.0 |
potassium | 85 | |
calcium 22 (0-300ŽAverage value of)
gold 11.8 14.2 15.4 17.0
Silver 14.2 18.9 20.6 23.7
chromium 2.3 4.9 8.8 11.8
Silicon(silicon) -0.4 2.6 3.5 4.1
germanium 2.4 5.7 6.5 7.2
cobalt 6.8 13.0 15.0 15.2
zirconium 5.4 (20-200Ž)
ƒXƒY 16.5 22.0 27.2 |
selenium (Polycrystal) 20.3 (-78-19Ž)
selenium (Amorphous) 48.7 (0-21Ž)
carbon (diamond) 0.05 1.0 2.3 3.7
carbon (Graphite) | 3.1 3.3 3.6
tungsten 2.6 4.5 4.6 5.0
tantalum 4.8 6.3 6.8 7.2
Titanium 4.5 8.6 9.9 11.1
iron 5.6 11.8 14.4 16.2
tellurium | 16.8 | |
copper 10.3 16.5 18.3 20.3
thorium 11.3 (20-100Ž)
sodium 70 (0-50Ž)
lead 25.6 28.9 33.3 |
nickel 6.6 13.4 15.3 16.8
platinum 6.6 8.8 9.6 10.3
palladium 8.0 11.8 13.2 14.5
vanadium 5.1 8.4 9.9 10.9
barium 18.1-21.0 (0-300Ž)
Bismuth 12.3 13.4 12.7 |
beryllium 1.3 11.3 15.1 19.1
Boron | 4.7 5.4 6.2
Magnedium 14.6 24.8 29.1 35.4
manganese ƒΏ 22.3 (0-20Ž)
manganese ƒΐ 18.7-24.9 (0-20Ž)
manganese ƒΑ 14.8 (0-20Ž)
molybdenum 3.7-5.3 (20Ž-100Ž)
lithium 56 (0-100Ž)
rhodium 5.0 8.2 9.3 10.8
References: "Science Chronological Tables" (National Astronomical Observatory of Japan, 2000 edition) Physics / Chemistry Heat and Temperature Material 51 (475) Quoted from the linear expansion rate of solids (1).