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1342_Mechanics Homework Mechanics of Materials Solution

# 1342_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 11.46 SOLUTION 11.46 The state of mess shown occurs in a machine component made of a brass ‘ for which a, = 160 MPa. Using the maximum-distortion—energ cliteritm, determine the range ofvalm of a, forwhieh yield does not 00cm. 3’ 20 GM = i000 +20) = 60 MPc. 75 6,-6‘L loo—20 2. ‘ 2 ‘ 61= Gin-Rr-zsmPa B A x (665' : '40 MPa. 61.3% («i—6;? + (6; \$4.)" = 26‘: (mu as‘)‘ + (45-6,)a + (6,— WK): = (2)099? 2.2900 + (625 + 506‘, + 6’3) + (6',a - zqo 6; + 21025 = II 26;:z - 240 s, - cso o 6 = oiizuo‘M‘Hz 65°) _ 60* 62.65 2 (23(1) 6, = 122.65 MP; 3 - 265' MPa 51200 - 2.65 MPa< 6-; < |22.6\$ MPO. ...
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