Key technologies of intelligentized welding manufacturing : the spectral diagnosis technology for pulsed gas tungsten arc welding of aluminum alloys

This book presents the recent research results of the application of arc spectrum in the welding process. It sheds light on the fundamentals of monitoring welding quality using arc spectral information. By analyzing the topic both from a global and local perspective, it establishes a knowledge base of features characterizing welding statuses. Researchers, scientists and engineers in the field of intelligent welding can benefit from the book. As such, this book provides valuable knowledge, useful methods, and practical algorithms that are applicable in real-time detection of welding defects. Front Matter ....Pages i-xiii Introduction (Yiming Huang, Shanben Chen)....Pages 1-25 Welding Arc Spectrum Sensor and Welding System (Yiming Huang, Shanben Chen)....Pages 27-41 Basic Characteristics of Arc Spectrum in P-GTAW Process (Yiming Huang, Shanben Chen)....Pages 43-65 Monitoring of Welding Process Based on Characteristic Spectral Lines (Yiming Huang, Shanben Chen)....Pages 67-109 Dimension Reduction of Arc Spectrum for Porosity Detection in P-GTAW Process (Yiming Huang, Shanben Chen)....Pages 111-136 Formation Mechanism and Control of Porosity in GTAW of Al Alloys (Yiming Huang, Shanben Chen)....Pages 137-170 Conclusions (Yiming Huang, Shanben Chen)....Pages 171-173