Temperature measurement inside and near the weld pool during laser welding
Article dans une revue avec comité de lecture
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LHOSPITALIER, SylvieBOURGES, PhilippeBERT, AlexandreQUESADA, JeanLAMBERTIN, MichelAbstract
The work in this article deals with the measurement of temperature fields inside and near the weld pool during laser welding. The laser source used for this study is a 7.5 kW CO2 laser, and the welded material is a UNS N08904 austenitic stainless steel. The principle behind the actual experimentation is relatively simple: the welding operation is recorded with a charge coupled device camera equipped with infrared filters; after calibrating the camera sensor and image processing, the temperature distribution in the weld pool and near the melted zone is revealed.
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