{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

372_Mechanics Homework Mechanics of Materials Solution

372_Mechanics Homework Mechanics of Materials Solution -...

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 4.101 and 4.102 A bending couple is applied to the bar indicated, causing plastic { PROBLEM 4.102 zones 20-min thick to develop at the top and bottom of the bar. Aﬁer the couple has i] beenremoved, determine (a) the residual stress at y=30 mm, (b) the points where the , '~ y residual stress is zero, (6) the radius of curvatlu-e eorrespmlding to the permanent ‘O 2 defamation of the bar. 4.102 Bar of Prob. 4.84 SOLUTION Se; SOLUTION bio 99091.5»! 4 8’4 p0,. Benoknj couple and 10mm__1 ‘ ‘ L—IOmm siress oil's-1'01) uHov aluw‘nj loading. M : 8.00 kH—Im J’r: low. = 0.010.“ E = 200 694. 6, = 240 MPa I - 706.67rlo" m” c. = 0.030 m I MIC .— W = 337.cy/0°P4= 331:; Has. 6 6'“: 1%)? :- MM : ”3.2):(0‘ 13¢" : “3.2 ”Pa, A+ j=c €m=6'—6; = 337.6 '2‘“? = 97.5 MP4 -n 6”-6} e “3.2 - 2w r -I26.‘3 MPa .J/‘i \\__/' 33?.6 “Pa an: M9,, - 124.8 HPq HQ? MFA. -316 “Pa. LOADING UNLOADING RESIDUAL sresssss (b‘ Greg, ': O :— Eﬁiﬁ‘” 6f : O _ 16v (7oe.é7xlo“")(2t10rzo )_ «s __ a 3/0 " M :W— -. 2LZXJO M ZLQ MM m; ans‘ 3°: -2L2h-m)0) 2!.2 MM 4 i L cm H j? y 6“,: — 1126.8 x10“ 'Po. 3 " .o: 6:“E .'. Fr-%:%315.77M "'- ...
View Full Document

{[ snackBarMessage ]}