Efflux plasma charge-based sensing and control of joint penetration during keyhole plasma arc welding

Welding Journal (Miami, Fla)

Volumn 80, Issue 7, 2001, Pages

  Zhang, S B ^a   Zhang, Y M ^a  

^a UNIVERSITY OF KENTUCKY   (United States)

Author keywords

Joint penetration; Keyhole; Penetration control; Plasma arc; Sensor

Indexed keywords

ELECTRIC ARC WELDING; FEEDBACK CONTROL; FLUXES; GAS METAL ARC WELDING; TRANSFER FUNCTIONS; TWO TERM CONTROL SYSTEMS; WELDS;

AUTOMATED WELDING PROCESSES; EFFLUX PLASMA CHARGE SENSORS (EPCS);

PLASMA WELDING;

EID: 0035392447     PISSN: 00432296     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. Monitoring joint penetration using infrared sensing techniques
2. Control of the welding process using infrared sensors
3. Infrared sensing for on-line weld geometry monitoring and control
4. Experimental investigation of GTA weld pool oscillations
5. Measurement of oscillations in partially penetrated weld pools through spectral analysis
6. Weld pool oscillation during GTA welding of mild steel
7. Ultrasonic measurement of weld penetration
8. Ultrasonic sensing of weld pool penetration
9. Laser phased array measurement of solidified weld penetration depth
10. Determining joint penetration in GTAW with vision sensing of weld-face geometry
11. Real-time sensing of sag geometry during GTA welding
12. Adaptive control of full penetration GTA welding
13. A study of arc force, pool depression and weld penetration during gas tungsten arc welding
14. Real-time image processing for monitoring of free weld pool surface
15. Three-dimensional simulation of the plasma arc welding process
16. Keyhole stability in plasma arc welding
17. Front side keyhole detection in aluminum alloys
18. Observation of keyhole during plasma arc welding
19. Plasma charge sensor for in-process, noncontact monitoring of the laser welding process