Re: Ultrasonic PHASED ARRAY Technology Xavier -
I am happy to hear of the growing interest in the Phased Array technology.
I work for NASA, at the Marshall Space Flight Center. We have a R/D Tech Tomoview system with one transducer: 64 element array, 10Mhz.
We are developing the inspection techniques for use on Friction-Stir welds of the External Tank. This will eventually be used in production -- probably a crawler type bridge, with dual 64 element, or maybe dual 128 element, transducers. Vertical inspection.
There seemed to be a large initial learning curve for Phased Array inspection, but we now are very confident in this method. We are detection LOP @ 0.020" and above, with detection of LOF as well.
Sensitivity, detection, mapping - all seem to surpass any other NDT method we have currently. RT, PT, ET, nothing comes close to the data the Phased Array unit gives.
I would like to keep informed of others who are using this method. As you mentioned, presently, we are in a "lab" environment, but soon will move to the production floor on full scale External Tanks.
In the lab, we have plates of 0.320" & 0.650", but now are able to inspect tapered plates of 0.650-0.320 just fine.
Thanks for the post.
Jeffery L. Leak - ED32
National Aeronautics and Space Administration
George C. Marshall Space Flight Center
MSFC, AL. 35812
: Group Sponsored Project
: PHASED ARRAY TECHNOLOGY
: A PRACTICAL EVALUATION OF THE BENEFITS
: I hope this is of interest to you. If you wish to receive more information, if you wish to participate, or if you have any queries, please do not hesitate to contact me.
: Yours sincerely,
: Xavier GROS
: Senior Project Engineer
: NDT Development and Services
|Ken Head |
Senior Level III
USA, Joined Jan 2000, 14
Re: Ultrasonic PHASED ARRAY Technology Sign me up
|James Anscomb |
Re: Ultrasonic PHASED ARRAY Technology : Xavier -
At present we are using the R/D Tech PipeWIZARD system to inspect pipeline girth welds.
I would be interested in receiving any information you have about Phased Array inspection.
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