Real-time weld process monitoring. Edited by Y M Zhang
Contents
PART 1 MONITORING TECHNOLOGIES
PART 2 MONITORING OF WELDING PROCESSES
An analysis of welding process monitoring and control
Y-M Zhang, University of Kentucky, USA
- Introduction
- Welding process as a system
- Welding process as a complex system
- Welding process as an uncertain process
- Monitoring of welding processes
- Overview of the book
- References
PART 1 MONITORING TECHNOLOGIES
Arc sensors in weld monitoring
G E Cook, A M Strauss, D H Lammlein and P A Fleming, Vanderbilt University, USA
- Introduction
- Background
- Non-consumable electrode processes
- Consumable electrode processes
- Power supply considerations
- Signal processing and control approaches
- Future trends
- Sources of further information and advice
- Appendix: List of symbols
- References
Optical sensors in welding
G Saeed, Schlumberger and H Song, University of Kentucky, USA
- Introduction
- Knowledge of optics
- Optical sensor component
- Optical sensing system
- Application of optical sensor
- References
Infrared sensors in welding
H Yang, H C Wikle, S Nagarajan, M Johnson, P Banerjee and B A Chin, Auburn University, USA
- Introduction
- Theory of infrared sensors
- Measurement of weld temperature distribution
- Infrared sensors for real-time weld quality control
- Weld position control
- Cooling rate
- Summary
- References
Ultrasonic sensors in welding
J Shao and Y Yan, University of Kent, UK
- Introduction
- Principles of ultrasonic sensing
- Ultrasonic techniques and their applications
- Future trends
- Summary
- Sources of further information and advice
- References
PART 2 MONITORING OF WELDING PROCESSES
Weld seam monitoring
S-J Na, Korea Advanced Institute of Science and Technology, Korea
- Introduction
- Methods of weld seam monitoring
- Through-arc monitoring of weld seams in gas metal arc welding
- Electromagnetic monitoring of weld seams in gas metal arc welding
- Laser visual monitoring of weld seams in gas metal arc welding
- References
Weld profile monitoring
L Wu and G Zhang, Harbin Institute of Technology, China
- Necessity for weld profile measurement
- Outline of weld profile
- Surface shaping defects
- Automatic detection of weld profile
- References
Weld penetration monitoring
W Lu and Y-M Zhang, University of Kentucky, USA
- Introduction
- Weld pool oscillation sensor
- Infrared sensor
- Ultrasonic sensor
- Vision based sensor
- Weld pool sag depression
- Plasma charge based sensors
- Weld penetration control using sensor feedback
- Summary
- References
Weld pool surface monitoring
C S Wu, Institute for Materials Joining, Shandong University, China
- Vision-based sensing 2-D surface geometry of weld pool in GTAW
- Sensing 2-D weld pool boundary in GMAW
- Modeling and simulation of weld pool surface
- Sensing 3-D weld pool surface using specular reflection
- Improvement on observation of dynamic 3-D weld pool surface
- References
Monitoring resistance welding
D Farson, The Ohio State University, USA
- Introduction
- Resistance spot welding (RSW) systems, weld formation and signals
- Real-time process monitoring and control
- Future trends
- Sources of further information and advice
- References
Monitoring laser welding
A Ancona and T Sibillano, CNR-INFM, Italy
- Introduction
- Principles of laser welding
- Optical sensing
- Frequency analyses of acoustic and optical emissions
- Smart systems
- Other systems and future trends
- References