How to determine stress distrubution in overlap welds in tension

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SUMMARY

This discussion focuses on determining stress distribution in overlap welds subjected to tensile testing. The user seeks to identify stress concentrations in lap welded joints, where one plate is placed over another. Recommendations include consulting O'Donnell Consulting for expert assistance in analyzing these stress distributions. The conversation emphasizes the complexity of the problem and the need for precise evaluation methods.

PREREQUISITES
  • Understanding of tensile testing procedures and equipment.
  • Knowledge of stress concentration factors in welded joints.
  • Familiarity with lap welding techniques and joint configurations.
  • Basic principles of structural analysis and material mechanics.
NEXT STEPS
  • Research methods for calculating stress concentration factors in lap welded joints.
  • Explore finite element analysis (FEA) software for simulating stress distribution.
  • Learn about the effects of multiple weld passes on stress distribution.
  • Investigate case studies on tensile testing of welded structures.
USEFUL FOR

Weld engineers, structural analysts, and materials scientists involved in evaluating the integrity of welded joints and optimizing welding techniques.

jamesabc
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I am looking to determine stress distrubution is overlap welds with some samples which have been tensile tested in a tensile testing machine. i want to find where there is the highest stress concentrations etc. how can i do this?
 
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Just to clarify, when you say overlapping, are you describing the joint configuration or the fact that the welds are overlapping, i.e. multiple passes?
 
FredGarvin said:
Just to clarify, when you say overlapping, are you describing the joint configuration or the fact that the welds are overlapping, i.e. multiple passes?

joint configuration. one plate is placed over the other and lap welded.

like this: http://www.laserk.com/media/wp_fig5.jpg
 

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