Consider a metal bar 12.5 mm in diameter and 50 mm in length that is tested under uniaxial tension. The test results data are as follows: Force (kN) Final length (mm) Final diameter (mm) 122 56,14 12,19 120 62,05 11,60 114 68,57 11,03 (a) Complete the following table: Force (kN)     Final length (mm) Final diameter (mm) True stress (MPa) True deformation (mm/mm) 122 56,14 12,19     120 62,05 11,60     114 68,57 11,03     (b) Determine the metal's work hardening coefficient. (c) The most likely crystal structure for this metal is?

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Problem 1.5.3P: A tensile test was performed on a metal specimen having a circular cross section with a diameter 0....
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Consider a metal bar 12.5 mm in diameter and 50 mm in length that is tested under uniaxial tension. The test results data are as follows:

Force (kN) Final length (mm) Final diameter (mm)
122 56,14 12,19
120 62,05 11,60
114 68,57 11,03

(a) Complete the following table:

Force (kN)     Final length (mm) Final diameter (mm) True stress (MPa) True deformation (mm/mm)
122 56,14 12,19    
120 62,05 11,60    
114 68,57 11,03    

(b) Determine the metal's work hardening coefficient.

(c) The most likely crystal structure for this metal is?

 

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