We would like to increase the yield strength of the bar through cold work. (a) Using the Copper curve, how much cold work is needed to get a yield strength of 300MPa Yield strength (MPa) 800 700 600 500 400 300 200 100 0 10 20 1040 Steel 30 40 Brass 50 Copper 60 7(

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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We would like to increase the yield strength of the bar through cold work.
(a) Using the Copper curve, how much cold work is needed to get a yield strength of 300MPa
Yield strength (MPa)
800
700
600
500
400
300
200
100
0
10
20
1040 Steel
Brass
30
40
50
Percent cold work
Copper
60
70
(b) Based on the percent cold work you calculated, what should the final cross-sectional area of the bar be?
Transcribed Image Text:We would like to increase the yield strength of the bar through cold work. (a) Using the Copper curve, how much cold work is needed to get a yield strength of 300MPa Yield strength (MPa) 800 700 600 500 400 300 200 100 0 10 20 1040 Steel Brass 30 40 50 Percent cold work Copper 60 70 (b) Based on the percent cold work you calculated, what should the final cross-sectional area of the bar be?
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