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400-m bar of 16 x 60-mm rectangular crosSs section consists of two mild-steel layers, each 5 mm thick, bonded to a 6-mm-thick tempered steel central layer. This composite bar is subjected as shown to a centric axial load of magnitude P. Assuming both steels to be elastoplastic with E-200 GPa and with a yield strength equal to 240 and 600 MPa, respectively, for the mild and the tempered steel, draw the load-deflection diagram of the composite bar. Using this diagram, determine (a) the maximum value of P, (b) the maximum stress in cach layer, (c) the permanent set of the bar and (d) residual stress in each layer when P is gradually increased from zero until the deformation of the bar reaches a maximum value 8m = 1.4 mm and then decreased back to zero. 5 mm 5 mm 6 mm 400 mm 60 mm

400-m bar of 16 x 60-mm rectangular crosSs section consists of two mild-steel layers, each 5 mm thick, bonded to a 6-mm-thick tempered steel central layer. This composite bar is subjected as shown to a centric axial load of magnitude P. Assuming both steels to be elastoplastic with E-200 GPa and with a yield strength equal to 240 and 600 MPa, respectively, for the mild and the tempered steel, draw the load-deflection diagram of the composite bar. Using this diagram, determine (a) the maximum value of P, (b) the maximum stress in cach layer, (c) the permanent set of the bar and (d) residual stress in each layer when P is gradually increased from zero until the deformation of the bar reaches a maximum value 8m = 1.4 mm and then decreased back to zero. 5 mm 5 mm 6 mm 400 mm 60 mm

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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400-mm bar of 16 x 60-mm rectangular cross section consists of 2. two mild-steel layers, each 5 mm thick, bonded to a 6-mm-thick tempered steel central layer. This composite bar is subjected as shown to a centric axial load of magnitude P. Assuming both steels to be elastoplastic with E = 200 GPa and with 5 mm 5 mm a yield strength equal to 240 and 600 MPa, respectively, for the mild and the tempered steel, draw the load-deflection diagram of the composite bar. Using this diagram, determine (a) the maximum value of P, (b) the maximum stress in each layer, (c) the permanent set of the bar and (d) residual stress in each layer when P is gradually increased from zero until the deformation of the bar reaches a maximum value dm = 1.4 mm and then decreased back to zero. 6 mm 400 mn 60 min Problem 2
Transcribed Image Text:400-mm bar of 16 x 60-mm rectangular cross section consists of 2. two mild-steel layers, each 5 mm thick, bonded to a 6-mm-thick tempered steel central layer. This composite bar is subjected as shown to a centric axial load of magnitude P. Assuming both steels to be elastoplastic with E = 200 GPa and with 5 mm 5 mm a yield strength equal to 240 and 600 MPa, respectively, for the mild and the tempered steel, draw the load-deflection diagram of the composite bar. Using this diagram, determine (a) the maximum value of P, (b) the maximum stress in each layer, (c) the permanent set of the bar and (d) residual stress in each layer when P is gradually increased from zero until the deformation of the bar reaches a maximum value dm = 1.4 mm and then decreased back to zero. 6 mm 400 mn 60 min Problem 2
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