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Mechanics 1 of materials hibbeler 6th Episode 1 Part 6

Tham khảo tài liệu 'mechanics 1 of materials hibbeler 6th episode 1 part 6', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 4-53 The 10-mm-diameter steel bolt is surrounded by a bronze sleeve. The outer diameter of this sleeve is 20 mm and its inner diameter is 10 mm. If the bolt is subjected to a compressive force of p 20 kN determine the average normal stress in the steel and the bronze. Esl 200 GPa Ebr -100 GPa. t IF 0 p P r-20 0 1 8 8b PS L _PbrL__ f 0.012 200 109 j 0.022 - 0.012 100 109 p 0.6667 pbr 2 Solving Eqs 1 and 2 yields p 8 kN pbr 12 kN ợ ĨỊ 102 MPa Ans 4 f 0.012 ơkr 50.9 MPa Ans At j 0.022-0.012 From Mechanics of Materials Sixth Edition by R. c. Hibbeler ISBN 0-13-191345-X. 2005 R. c. Hibbeler. Published by Pearson Prentice Hall Pearson Education Inc. Upper Saddle River NJ. All rights reserved. This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced in any form or by any means without permission in writing from the publisher. 4-54 The 10-mm-diameler steel bolt is surrounded by a bronze sleeve. The outer diameter of this sleeve is 20 mm and its inner diameter is 10 mm. If the yield stress for the steel is cry 640 MPa and for the bronze ơY br 520 MPa determine the magnitude of the largest elastic load p that can be applied to the assembly. EJt 200 GPa Ebr 100 GPa. fxF 0 Ps Pbr-P o 1 Assume failure of bolt p. ơy A 640 106 Ạ 0.012 4 50265.5 N p 8br PS L _PbrL__ f 0.012 200 109 0.022 -0.012 100 109 Ps 0.6667 pbr 50 265.5 0.6667ĂÌ pbr 75398.2 N p From Eq. 1 p 50265.5 75398.2 125663.7 N 126 kN conffols Ans Assume failure of sleeve Pbr W b A 520 106 i 0.022 - 0.012 122 522.11 N 4 p 0.6667 pbr 0.6667 122 522.11 81 681.4 N From Eq. l p 122 522.11 81 681.4 204 203.52 N 204 kN From Mechanics of Materials Sixth Edition by R. c. Hibbeler ISBN 0-13-191345-X. 2005 R. c. Hibbeler. Published by Pearson Prentice Hall Pearson Education Inc. Upper Saddle River NJ. All rights reserved. This material is protected under all copyright laws as they currently exist. No portion of this .