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A hot-rolled steel has a yield strength of S,= S, = 100 kpsi and a true strain at fracture of &= 0.55. Estimate the factor of safety for the following principal stress states: (a) o. = 70 kpsi, o, = 70 kpsi, r, = 0 kpsi (b) ơ. = 60 kpsi, o, = 40 kpsi, T = -15 kpsi (c) 0. = 0 kpsi, o, = 40 kpsi, t, = 45 kpsi (d) o.= -40 kpsi, 0, = -60 kpsi, r, = 15 kpsi (e) o = 30 kpsi, o: = 30 kpsi, os = 30 kpsi

A hot-rolled steel has a yield strength of S,= S, = 100 kpsi and a true strain at fracture of &= 0.55. Estimate the factor of safety for the following principal stress states: (a) o. = 70 kpsi, o, = 70 kpsi, r, = 0 kpsi (b) ơ. = 60 kpsi, o, = 40 kpsi, T = -15 kpsi (c) 0. = 0 kpsi, o, = 40 kpsi, t, = 45 kpsi (d) o.= -40 kpsi, 0, = -60 kpsi, r, = 15 kpsi (e) o = 30 kpsi, o: = 30 kpsi, os = 30 kpsi

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A hot-rolled steel has a yield strength of S= S,= 100 kpsi and a true strain at fracture of &= 0.55. Estimate the factor of safety for the following principal stress states: (a) o.= 70 kpsi, o, = 70 kpsi, t, = 0 kpsi (b) o. = 60 kpsi, o, = 40 kpsi, ty = -15 kpsi (c) 0.= 0 kpsi, o, = 40 kpsi, ty = 45 kpsi (d) 0.= -40 kpsi, o, = -60 kpsi, Ty = 15 kpsi (e) o = 30 kpsi, ơ: = 30 kpsi, os = 30 kpsi !3! %3!
Transcribed Image Text:A hot-rolled steel has a yield strength of S= S,= 100 kpsi and a true strain at fracture of &= 0.55. Estimate the factor of safety for the following principal stress states: (a) o.= 70 kpsi, o, = 70 kpsi, t, = 0 kpsi (b) o. = 60 kpsi, o, = 40 kpsi, ty = -15 kpsi (c) 0.= 0 kpsi, o, = 40 kpsi, ty = 45 kpsi (d) 0.= -40 kpsi, o, = -60 kpsi, Ty = 15 kpsi (e) o = 30 kpsi, ơ: = 30 kpsi, os = 30 kpsi !3! %3!
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