TABLE 17.1 Modulus of Elasticity and Shear Modulus of Selected Materials
Modulus of Elasticity Shear Modulus
Material (GPa) (GPa)Aluminum alloys 70 –79 26 – 30
Brass 96 –110 36 – 41
Bronze 96 –120 36 – 44
Cast iron 83 –170 32 – 69
Concrete (compression) 17– 31
Copper alloys 110 –120 40 – 47
Glass 48 – 83 19 – 35
Magnesium alloys 41– 45 15 –17
Nickel 210 80
Plastics
Nylon 2.1– 3.4
Polyethylene 0.7–1.4
Rock (compression)
Granite, marble, quartz 40 –100
Limestone, sandstone 20 –70
Rubber 0.0007– 0.004 0.0002 – 0.001
Steel 190 – 210 75 – 80
Titanium alloys 100 –120 39 – 44
Tungsten 340 – 380 140 –160
Wood (bending)
Douglas fir 11–13
Oak 11–12
Southern pine 11–14Source:From Gere. Mechanics of Materials, 5E. © 2001 Cengage Learning, a part of Cengage
Learning, Inc. Reproduced by permission. http://www.cengage.com/permissions.TABLE 17.2 Densities of Selected Materials
Mass Density Specific Weight
Material (kg/m^3 )(kN/m^3 )Aluminum alloys 2600 – 2800 25.5 – 27.5
Brass 8400 – 8600 82.4 – 84.4
Bronze 8200 – 8800 80.4 – 86.3
Cast iron 7000 –7400 68.7–72.5
Concrete
Plain 2300 22.5
Reinforced 2400 23.5
Lightweight 1100 –1800 10.8 –17.7
Copper 8900 87.3
Glass 2400 – 2800 23.5 – 27.5
Magnesium alloys 1760 –1830 17.3 –18.0Continued
558
Copyright 2010 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).圀圀圀⸀夀䄀娀䐀䄀一倀刀䔀匀匀⸀䌀伀䴀圀圀圀⸀夀䄀娀䐀䄀一倀刀䔀匀匀⸀䌀伀䴀