Method of Predicting Necking True Stress in a Thin-Walled Tube Under a Complex Stress State

Method of Predicting Necking True Stress in a Thin-Walled Tube Under a Complex Stress State

Method of predicting the strength of thin-walled tubes under a complex stress state, taking into account changes in the initial dimensions, is proposed. Uniform plastic deformation of a thin-walled tube under short-term static load by internal pressure and axial tension is considered. The tube mater...

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Bibliographic Details
Main Author: Halyna Kozbur
Format: Article
Language:English
Published: Sciendo 2020-11-01
Series:Journal of Mechanical Engineering
Subjects:
necking
burst pressure
true stress
considere scheme
thin-walled tube
tangent modulus
Online Access:https://doi.org/10.2478/scjme-2020-0024
Description
Summary:Method of predicting the strength of thin-walled tubes under a complex stress state, taking into account changes in the initial dimensions, is proposed. Uniform plastic deformation of a thin-walled tube under short-term static load by internal pressure and axial tension is considered. The tube material is considered to be homogeneous, isotropic and incompressible. The principle of maximum load is used to derive analytical dependences. The main decisions and conclusions were made using the Considere scheme.
ISSN:2450-5471

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