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83_Mechanics Homework Mechanics of Materials Solution

83_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 2 36 2.36 An axial centric force of magnitude P = 450 kN is applied to the composite block ' shown by means of a rigid end plate. Knowing that h = 10 mm, determine the normal Ems Dore stress in (a) the brass core, (13) the aluminum plates. (E=1050Pa) Al inum plates Rigid SOLUTION (13:70 GP“) endplflte Lei Pk: for'i‘ion 6P awful? ‘me‘ce carNeJ bx, Brass CON P4. = POWHOM CAI/Vital lo" +140 damning)“ PJIJ‘QS 5 = EhL— ,_ 551455 EbAh b - L = Pat, = :5qu 3 EA R, L P = Pb + a. - LE..A..+ 5AA? = §_ ._. P L EhAb+ EaAa Ab = (GOKQO) = Z‘toc‘) mm." = 2900x304 M‘- An.’ (23(GDXIO)=‘ (200 Mn" 3 [200*10'6Mt a _— mmflfi“ = [.3393 “0‘3 (losxtoaxauoo rte" ) + (“to no” )0200 x to" ) (a) 6; = Ebe- = ([05x107)(l.3373xlo'3\ = numeric" Px= No.6 MPa-d m 5... = Egg = (7owo")(1. 3373 no") = 93.296 Pr» = 93.75-HPQ. - rrrr m C.) H ill ' .I ! '1- ...
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