Friday, August 5, 2011

Re: [MW:12118] RE: 12112] Regarding PT & MPI test on overhead position

thank u sir, n may u explain me how the MPI is done in overhead position?

On Fri, Aug 5, 2011 at 4:37 PM, Pieper QSI <pieper-qsi@kpnmail.nl> wrote:

You are correct regarding capillary working of PT. But the capillary attraction force of the PT liquid in cracks is greater than the gravitation force therefore you only will face some small gravity problems during application of the liquid, once the fluid is on the surface the natural adhesion and capillary forces will do the job.

 

Met vriendelijke groeten / Best Regards

 

Herman Pieper

 

Pieper Quality Support & Inspection

Phone: +31 (0)521 380083

Fax:     +31 (0)84 7539225

Cell:     +31 (0)6 51691215

www.pieper-qsi.nl

 

Van: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] Namens khatri ankit
Verzonden: vrijdag 5 augustus 2011 12:37
Aan: materials-welding@googlegroups.com
Onderwerp: Re: [MW:12115] RE: 12112] Regarding PT & MPI test on overhead position

 

but sir in PT , it works on capillary action, due to overhead position, how it works? may u explain me plz how the penetrant draws in to the discontinuity, there is gravitation force.  

On Fri, Aug 5, 2011 at 1:18 PM, Pieper QSI <pieper-qsi@kpnmail.nl> wrote:

Dear Sir,

You can apply both technologies in the overhead position. There are no
restrictions for these technologies regarding execution position.

Met vriendelijke groeten / Best Regards

Herman Pieper

Pieper Quality Support & Inspection
Phone: +31 (0)521 380083
Fax:     +31 (0)84 7539225
Cell:     +31 (0)6 51691215
www.pieper-qsi.nl

-----Oorspronkelijk bericht-----
Van: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] Namens khatri ankit
Verzonden: vrijdag 5 augustus 2011 9:25
Aan: Materials & Welding
Onderwerp: [MW:12112] Regarding PT & MPI test on overhead position

Dear Experts,

I just want to know that in overhead position which NDT method is
suitable either DPT or MPI

Kindly mention the significance for the same.

y it's used ? and y it;s not used?

Regards,

Ankit Khatri

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