Stresses and deformations in pipe flanges subjected to creep at high temperatures |
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| Authors: | Joseph Marin |
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| Institution: | Assistant Professor of Engineering Materials, Rutgers University, New Brunswick, New Jersey, USA |
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| Abstract: | Various solutions have been made for determining the stresses in pipe flanges using the theory of elasticity (I). There are many cases, however, of pipe flanges which are subjected to stresses and at the same time a high temperature such that creep occurs.This paper gives an analysis of the stresses and deformations produced in a circular ring of rectangular cross section subjected to twisting couples uniformly distributed along its center line. Such a solution will also give an approximate analysis of the pipe flange. This approximation is justified in view of the complexity of the problem and the uncertainties still present in the fundamental creep-stress relation for metals. In the solution of this problem a deflection theory is also developed for straight beams subjected to bending accompanied by creep. |
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