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374_Mechanics Homework Mechanics of Materials Solution

# 374_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 4.103 and 4.104 A bending couple is applied to the bar indicated, causing plastic PROBLEM 4-194 zones 3-in. thick to develop at the top and bottom of the her. After the couple has been 3; removed, determine (a) the residual stress at y a 4.5 in., (b) the points where the residual stress is zero, (c) the radius of mature corresponding to the pennanent defamation of the bar. 4.1M Bar of Prob. 4.86 SOLUTION See. soLuTjoN t, PROBLEM 14.36 \$ur Luciana couple. and 5+Mss dfs+NLu+30n M = 9725 ka-En .Yr "41-5131, E = zeuo‘ps: = 29,105 us.- 6“, = 42 us.- i = 357.75 z..." c. = 4.5 m. CL:725)(4.5') . _7§§7:§§r‘ .Sq-43 k& W :: I‘LSI k5: 357.75 6m: 6'—6, r 57.9342 = 17.143 ks.‘ 61., = 6"- 6} = 19.3: - 42 = «tan ks; sms W»: 17.43 km r-ZﬂJ‘t ks? a?.lq RSI _n.q3 1“" UN LOADING REleDAL 311253555 :0 :.L4i12-6;=0 16; _ w- 3,,3», y”: H l+725.“ oms. yo .- -3.13in J O) 3. 13 in. 6n; 3-" - 22. F! k5; (29YI03XI-5) = )qéo s“ 22m: __5 F‘ :63 ...
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