In the automotive industry, new material combinations and optimized designs enable material savings and weight reductions. However, during welding, the different properties of the materials lead to structural changes and in-fluence the strength of the joint. Testing of the resulting intermetallic phase is of crucial importance for safety-relevant components, which currently often requires complex and destructive methods. The aim of the project is to develop a fiber-based, endoscopic LIBS (Laser Induced Breakdown Spectroscopy) system that enables spatially resolved determination of the material composition of welded joints in cavities or complex deep-drawn components of wrought aluminum alloys. The proposed method offers advantages in terms of measurement speed and reduced sample destruction.
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