Application of Active Thermography in the Quality Control of Laser–Welded Overlap Joints
Journal Title: Biuletyn Instytutu Spawalnictwa - Year 2016, Vol 60, Issue 6
Abstract
The article presents possibilities of using active thermography as a non– destructive method verifying the quality of laser-welded joints made of steel sheets. The article presents the testing methodology and the preparation of test joints as well as describes a new test rig currently implemented in the company. Thermographic images obtained in the tests were subjected to image analysis processing performed to identify the maximum “temperature” gradient distribution in the test joints. The thermographic image analysis results were verified by cross-sectional macroscopic tests performed in accordance with currently valid standards. The results obtained in the tests confirmed that the method developed and implemented in the company can be successfully applied when assessing the quality of laser-welded lap joints. The article also includes a brief description of SITECH Ltd.
Authors and Affiliations
Paweł Laska
Keywords
Related Articles
- EP ID EP257951
- DOI 10.17729/ebis.2016.6/4
- Views 54
- Downloads 0
Effect of Welding Parameters on the Structure, Mechanical Properties and Crack Resistance of Welded Joints Made of Steel 14HGN2MDAFB
The article presents test results concerning the structure and the phase composition of the weld and HAZ metal of welded joints made of high yield point (above 700 MPa) steel 14HGN2MDAFB using the mechanised welding meth...
Modelling of Welding Processes – Applied Models and Examples
The article aims to present the manner in which welding processes are modelled using dedicated software programmes, provides examples concerning applications of various heat sources and indicates the necessity of perform...
Advanced Design and Verification of Tracks and Welding Positioners – External Axes of Robots
Multiaxial welding positioners and tracks intended for integration with an industrial robot as their external axes should be characterised by specific kinematic structure, the wide range of movements and high rigidity tr...
Use of modern analytical methods in designing induction heating devices
The article presents induction heating and its application range, discusses factors significantly affecting the course of an induction heating process and characteristic phenomena such as electromagnetic induction, skin...
Laser + MAG Hybrid Welding of T-Joints
The article presents the possibilities of the hybrid welding (laser + MAG) of T-joints, discusses primary technological conditions of the HLAW process as well as discusses the possibilities of using the HLAW method when...