2.67. Identify the two mate- rials in Fig. 2.5 that have the lowest and the highest uniform elongations. Calcu- late these quantities as per- centages of the original gage lengths. Figure 2.5 180 160- 304 Stainless steel 1200 70-30 Brass, as received 8650 Steel 1000 140- 1112 Steel, cold rolled 70-30 Brass, annealed True stress (psi x 40 120 100 80 60 800 1020 Steel 4130 Steel 600 Copper, annealed 2024-T36 AI 2024-0 Al 400 1100-O AI 6061-0 Al 20 20 200 1100-H14 AI 0 0 0.2 0.4 0.6 0.8 1.0 1.2 True strain (E) 0 1.4 1.6 1.8 2.0 MPa

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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2.67. Identify the two mate-
rials in Fig. 2.5 that have
the lowest and the highest
uniform elongations. Calcu-
late these quantities as per-
centages of the original gage
lengths.
Figure 2.5
180
160-
304 Stainless steel 1200
70-30 Brass, as received
8650 Steel
1000
140-
1112 Steel,
cold rolled
70-30 Brass, annealed
True stress (psi x
40
120
100
80
60
800
1020 Steel
4130 Steel
600
Copper, annealed
2024-T36 AI
2024-0 Al
400
1100-O AI
6061-0 Al
20
20
200
1100-H14 AI
0
0
0.2 0.4 0.6 0.8 1.0 1.2
True strain (E)
0
1.4 1.6 1.8 2.0
MPa
Transcribed Image Text:2.67. Identify the two mate- rials in Fig. 2.5 that have the lowest and the highest uniform elongations. Calcu- late these quantities as per- centages of the original gage lengths. Figure 2.5 180 160- 304 Stainless steel 1200 70-30 Brass, as received 8650 Steel 1000 140- 1112 Steel, cold rolled 70-30 Brass, annealed True stress (psi x 40 120 100 80 60 800 1020 Steel 4130 Steel 600 Copper, annealed 2024-T36 AI 2024-0 Al 400 1100-O AI 6061-0 Al 20 20 200 1100-H14 AI 0 0 0.2 0.4 0.6 0.8 1.0 1.2 True strain (E) 0 1.4 1.6 1.8 2.0 MPa
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