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Determination of Stress Strain State Components of Butt Welded Joint with Mild Interlayer Subjected to Elasto-Plastic Tension
Volume 17, Issue 2 (2006), pp. 157–176
Algis Bražėnas   Dainius Vaičiulis   Vytautas Kleiza  

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https://doi.org/10.15388/Informatica.2006.130
Pub. online: 1 January 2006      Type: Research Article     

Received
1 November 2004
Published
1 January 2006

Abstract

Determination of stress strain state components of butt welded joint with a mild interlayer at elasto-plastic tension is presented in this paper. Function of normal transverse stresses distribution on the thickness of mild interlayer and equations for determination of the stress intensity maximum value in hard metal at elasto-plastic deforming are proposed. The longitudinal stresses of mild and hard metals at elasto-plastic loading are determined from their integral equilibrium condition to mean value of external load by estimating equality of hard and mild metal longitudinal strains on their contact plane. Algorithm of stress strain state components calculation in separate zones of this model is presented. The strength of butt welded joint with a mild interlayer and longitudinal strain distribution at static and cyclic elasto-plastic loading on its surface calculated analytically is verified by the results of experimental investigations.

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Keywords
model of welded joint stress strain state non-uniform strain distribution mild interlayer elasto-plastic tension function of stress distribution

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INFORMATICA

  • Online ISSN: 1822-8844
  • Print ISSN: 0868-4952
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