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RE: [MW:5795] MPI vs DPI

By Materials & Welding

Even opened surface defects, when dirt not to be moved sufficient it can not use DPI.

 

Regards,

 

TRAN VAN VUONG

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of mohammed helal
Sent: Tuesday, June 29, 2010 11:35 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:5794] MPI vs DPI

 

The major difference  is the DPI is only for the defects that open to the surface and the MPI  for the subsurface defect ( 6 mm deep).

Eng.MOHAMMED ABD EL-AZIM HILAL

        MECHANICAL ENGINEER

     CSWIP 3.1 - NDT (RT- MT - PT)

OTISHAN CONSULTANT ENGINEER

 00966-502612218  -  0020103124557



--- On Tue, 6/29/10, george.dilintas@gr.bureauveritas.com <george.dilintas@gr.bureauveritas.com> wrote:


From: george.dilintas@gr.bureauveritas.com <george.dilintas@gr.bureauveritas.com>
Subject: Re: [MW:5791] MPI vs DPI
To: "materials-welding" <materials-welding@googlegroups.com>
Date: Tuesday, June 29, 2010, 7:06 PM

Mpi  can be used only on ferromagnetic materials


----- Original Message -----
From: Amir Zakee Adnal [amirzakee@gmail.com]
Sent: 29/06/2010 16:52 ZE5
To: materials-welding@googlegroups.com
Subject: [MW:5787] MPI vs DPI



Dear all
What is/are major difference between MPI and DPI? Can MPI be
substitute with DPI? Is there any code or standard that allow such
substitution?

Regards,
Amir Zakee

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