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Tham khảo tài liệu 'juvinall, marshek - fundamentals of machine component design, 3rd ed - student solutions manual episode 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | MPị SOLUTION 4.41 Known A srnáll presumed cylinder is al Inched at Line End and loaded with a pipe wrench AT tin other. The sires lies due o llji internal pressure and the pipe wrench sre ImnnL Find 11 Dnw a Mohr-drcle representation of the state of stress at point A. b LXĩlcrminc the magnitude ol the maximum shddi sues al A. ci ij ketch the wicntatlOTl of a principal element- and Hhmft- all stresses acting on It. Schematic and Given fJala 400 MP1 JCOMhi KMkiPi Assumption I lhe positive-cluck wise rule is med Analysis - - 2TS MI j - Ơ 5ÍÓ MPi SOLUTION 448 Known A cylinder is internally pressurized to a known pressure which causes known tangential and axial stresses in the outer surface. Find Draw a Mohr-circle representation of the stresses in the outer surface and determine the maximum shear sữess experienced. Schematic and Given Data Assumption The positive-clockwise rule is used. The maximum shear sttess in the outer surface is 150 MPa. Comments 1. The principal stress Ơ3 is zero at the outer surface. 2. The tangential stress is analytically twice the axial sưess at the outer surface of an internally pressurized cylinder. We could speculate in this problem that a stress concentration existed which increased the axial stress from 150 MPa to 175 .
