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Liquid Penetrant Examination

thread367-377950

Liquid Penetrant Examination

Liquid Penetrant Examination

(OP)
Hi Friend,

Can anyone explain me that why does MPI test use for LF2 mateiral and not going to use LP test?


Regards
Kamlesh

RE: Liquid Penetrant Examination

LF2 is a ferromagnetic material, therefore, MPI can be performed. The advantage to MPI is that surface and near surface defects may be located depending on method and technique used. As a rule, if the material is strongly magnetic, use MPI. If non-magnetic use LPI.

RE: Liquid Penetrant Examination

A-350, section 11.3 permits PT as well. As per jwhit, MT is preferred because subsurface discontinuities can be located.

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