thermal expansion
Concepts covered: Linear Thermal Expanison | Types of Expansion
Linear Thermal Expansion
The coefficient of linear thermal expansion is the ratio of the change in length per degree F (imperial) to the length.
Linear thermal expansion for some common metals can be found in the table below:
Metal
Temperature Range
(o F)
Thermal Expansion
(microinch/
(in o F))
Metal
Temperature Range
(o F)
Thermal Expansion
(microinch/(in o F))
Admiralty Brass
68 - 572
11.2
Monel
32 - 212
7.8
Aluminum
68 - 212
13.1
Nickel Wrought
77 - 212
7.4
Aluminum Bronze
68 - 572
9.0
Niobium (Columbium)
3.9
Antimony
5
Red Brass
68 - 572
10.4
Beryllium
6.7
Osmium
2.8
Beryllium Copper
68 - 212
9.3
Platinum
5
Bismuth
7.2
Plutonium
19.84
Cast Iron, gray
32 - 212
5.8
Potassium
46
Chromium
3.3
Rhodium
4.4
Cobalt
6.7
Selenium
21
Copper
68 - 572
9.8
Silicon
2.8
Cupronickel
68 - 572
9.0
Silver
11
Gold
7.9
Sodium
39
Hastelloy C
70 - 200
5.3
Tantalum
3.6
Inconel
68 - 212
6.4
Thorium
6.7
Incoloy
32 - 212
8.0
Tin
32 - 212
12.8
Iridium
3.3
Titanium
68 - 200
4.8
Iron, nodular pearlitic
68 - 212
6.5
Tungsten
2.5
Iron, pure
68 - 212
6.8
Uranium
7.4
Magnesium
14
Vanadium
4.4
Manganese
12
Wrought Carbon Steel
70 - 800
7.8
Manganese Bronze
68 - 572
11.8
Yellow Brass
68 - 572
11.3
Molybdenum
3.0
Zinc
19
T(o C) = 5/9[T(o F) - 32]
1 in (inch) = 25.4 mm
1 ft (foot) = 0.3048 m
Types of expansions
reference
http://www.engineeringtoolbox.com/thermal-expansion-metals-d_859.html
http://hyperphysics.phy-astr.gsu.edu/Hbase/thermo/thexp.html