Catch SDH with 1/2, 1 and 1.5 BP....for T joint configuration with less thickness use 70 & 80 degree probe. Do coverage plots then u know 70 or 80 are the best probe to get full volume coverage in this case.
Bhaskar kale
Dear G Siva Kumar,how to scan a T joint with 45 angle probe, web thickness 14 and flange is 22, do i have to draw DAC curve with 45 degree angle probe and with 14 mm thick reference block with 3mm side hole drill.Plz give me suggestionBhanu Pratap Singh8146866886
On Friday, January 18, 2013 12:57:31 PM UTC+5:30, sandeep monody wrote:Dear Experts,
We are doing UT in 50 to 100mm thick circumferential joints of pipes using 75mm thick Non piping DAC block (The same has been accepted by client). UT operator is preparing DAC curves (for angle probes) catching echoes directly from side drilled holes (¼ t and ½ t) and catching ¾ t SDH echo after bouncing from opposite side.
Our scanning area on weld joint is ½ to 1 ½ skip for 100mm thick weld joint but the DAC curve which is prepared as mentioned above, does not cover most of the scanning and I feel that most of echoes from discontinuity is missing due to the same problem.
Please advise me to resolve this confusionSandeep--
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धन्यवाद,
भास्कर मनोहर काळे
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