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| Teaching Since: | May 2017 |
| Last Sign in: | 399 Weeks Ago, 1 Day Ago |
| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A bending couple is applied to the bar indicated, causing plastic zones 3 in. thick to develop at the top and bottom of the bar. After the couple has been removed, determine (a) the residual stress at y = 4.5 in., (b) the points where the residual stress is zero, (c) the radius of curvature corresponding to the permanent deformation of the bar
Beam of Prob. 4.75
Prob. 4.75
A beam of the cross section shown is made of a steel that is assumed to be elastoplastic with E = 29 x 106 psi and σY = 42 ksi. For bending about the z axis, determine the bending moment at which (a) yield first occurs, (b) the plastic zones at the top and bottom of the bar are 3 in. thick.

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