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ULTRASOUND INSTITUTE
The Ultrasound Institute can develop new advanced ultrasonic measurement, imaging and NDT techniques for non-conventional applications.

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Technical Discussions
sandeep pawar
sandeep pawar
06:39 Oct-04-2004
tofd

hello friends,
i am sandeep pawar, a final year mechanical enginerg student from india.as per the curriculum i am required to give a seminar on any topic.i have chosen "tofd" as my subject....i got many responses to my earlier message..thank u very much....after reading whatever material i had , i have a few doubts regarding this method.....plz those of you who have worked or are working on tofd ..i request u 2 help me...i would appreciate if u plz email me at....sandeepapawar@hotmail.com.........

1.what frequency waves are used?
2.how is the frequency decided?
3.with tofd , what is the max -min thickness which can be inspected?
4.once the waves are transmitted , they reach the discontunity where they get reflected as well as diffracted.how do we differentiate between reflected and diffracted waves?
5.sorry, but i didn't get...what exactly the purpose diffracted waves surve..i mean howz it different from the reflected waves?...does it really make so much of difference?...
6.whick discontinuties can be detected with TOFD?....7.
7.how are the discontinuties identified ?...i mean how do we know whether it's is a lof,crack,or a blow hole?
8.can tofd be implemented using present conventional UT setup?
9.where can i find more detailed information in this regard?
10.if any of u are from india..and u have any literature on this subject will u plz lend it to me?

thank you very much.....plz email me at...sandeepapawar@hotmail.com


    
 
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