Yes, MT or PT can be done on a root pass. But a final inspection must be performed after final pass (cap) . The inspector must then add on test results that the inspection was carried out on initial weld pass root pass and final weld pass. This practice is often used on heavy piping and multiple...
Has anyone ever heard of EC testing on gear teeth before ?
If so can one tell me how it's done,how reliable it is and where can i get this type of service??????
Magnetic particle inspection require cleanning and the particles contaminates.
Thanks
André
Electrodes from a sealed electrode box (E7018) may be used immediately but not past 4 hours. Electrodes that are placed in electrode ovens at 120 celcius are to be consumed within 4 hours after removal from the oven.
Do not discard the electrodes after 4 hours because they can be rebaked at 230...
Olets are inspected by magnetic particle and /or liquid penetrant inspection. As mentioned above one can do a complimentary inspection with the use of a boroscope to see if the weld has a full root penetration.
The use of UT on this type of joint preparation can only give you a partial...
Just checked out on you tube and you can clearly see on the Panametrics Epooch 3 screen the IP (main bang) and the back wall deflection I presume. Note that there is excessive gain,range control to narrow,no first gate showing and the second gate at babbit interface is not in place.
The...
I'm a certified NDE senior technician in all five methods(MT,PT,UT,RT and EC) to CGSB certifications which is equivalent to ASNT-TC-1A level 3(with 30 years of experience) and CWB (AWS) level III welding inspector.
I refused to carry out a ut inspection simply because of no back wall...
A manufacturer asked me to inspect babbit disbonding on a cast iron sleeve. After several attempts to get a back wall deflection, i informed my client that this type of inspection (ut)was not possible.
Another technician inspected this part and called a total 100% disbonding.
A third inspector...