A cylindrical specimen of cold-worked steel has a Brinell hardness of 240. If the specimen remained cylindrical during deformation and its original radius was 10.4 mm, determine its radius after deformation. For steel, the dependence of tensile strength on percent cold work is shown in Animated Figure 7.19b. i mm

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A cylindrical specimen of cold-worked steel has a Brinell hardness of 240. If the specimen remained cylindrical during deformation and
its original radius was 10.4 mm, determine its radius after deformation. For steel, the dependence of tensile strength on percent cold
work is shown in Animated Figure 7.19b.
i
mm
Transcribed Image Text:A cylindrical specimen of cold-worked steel has a Brinell hardness of 240. If the specimen remained cylindrical during deformation and its original radius was 10.4 mm, determine its radius after deformation. For steel, the dependence of tensile strength on percent cold work is shown in Animated Figure 7.19b. i mm
Tensile strength (MPa)
900
800
700
600
500
400
300
200
10
1040 Steel
20 30 40
50
Percent cold work
Brass
Copper
60
140
120
100
80
60
40
70
Percent cold work = 0
Yield strength = 200 MPa
Yield strength = 29 ksi
Tensile strength (ksi)
Transcribed Image Text:Tensile strength (MPa) 900 800 700 600 500 400 300 200 10 1040 Steel 20 30 40 50 Percent cold work Brass Copper 60 140 120 100 80 60 40 70 Percent cold work = 0 Yield strength = 200 MPa Yield strength = 29 ksi Tensile strength (ksi)
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