The stress-strain diagram for a metal alloy having an original diameter of 16 mm and a gauge length of 300 mm is given in the figure. Determine approximately the modulus of elasticity for the material, the load on the specimen that causes yielding, and the ultimate load the specimen will support.

The stress-strain diagram for a metal alloy having an original diameter of 16 mm and a gauge length of 300 mm is given in the figure. Determine approximately the modulus of elasticity for the material, the load on the specimen that causes yielding, and the ultimate load the specimen will support.

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 6.2P

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Material Properties

Construction in civil engineering demands high strength, durability, and longevity. These targets can be achieved by better design and analysis, along with the correct choice of materials. Different materials have different properties and hence, they respond and performs differently under the various condition of external loadings. It is therefore a critical task of an engineer to select the right material based on the property that the material is supposed to function in real-time. When speaking about the property, there are different categories of material properties like chemical property, physical property, mechanical property, electrical property, magnetic property, thermal property, etc. These material properties form the basis of material selection in various applications.

Question

100%

The stress-strain diagram for a metal alloy having an original diameter of 16 mm and a
gauge length of 300 mm is given in the figure. Determine approximately the modulus of
elasticity for the material, the load on the specimen that causes yielding, and the ultimate
load the specimen will support.
a (MPa)
700
600
500
400
300
200
100
€ (mm/mm)
0 0.05 0.10 0.15 0.20 0.25 0.30 0.35
0.001 0.002 0.003 0,004 0,005 0.006 0,007

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