Final acceptance is based on the article in its finished condition. NDT before PWHT is carried out so that repairs on the defects detected at that stage are cleared at that stage.
Alan Denney
AKD Materials Consulting Ltd
From: materials-welding@
googlegroups.com [mailto:materials-welding@googlegroups.com ] On Behalf Of Zakaria ghrab
Sent: 28 November 2016 08:52
To: materials-welding@googlegroups.com
Subject: Re: [MW:25766] Heat treatment impact on defect
In that case what'is the advantage to perform NDE after PWHT.
Thank you.
2016-11-27 15:49 GMT-01:00 George Dilintas <dilintas@gmail.com>:
Not at all unless you "burn" it
2016-11-24 17:06 GMT+02:00 Zakaria ghrab <zakaria.ghrab@gmail.com>:
Dear expert,
Could you please give us your feedback & return experience about impact of PWHT (Heat treatment in general) in defect.
Could size of porosity (volumic defects) can change after PWHT especially for ally steels ?
Any information for surfacic defects ?
Could you please confirm and give us some reference from codes and/or litterature.
Thank you very much.
--
Thanks and Regards,
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زكرياء غراب
GHRAB ZakariaTunisia : +216 96 635 805
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Dr. Georgios Dilintas,
Dipl. Ing. In Aeronautic and Space Engineering
Ph.D in Mechanics of Solids - Computational Mechanics
A.I.S, A.N.I, IRCA Lead Auditor
Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis
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Thanks and Regards, ?
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زكرياء غراب
GHRAB ZakariaTunisia : +216 96 635 805
Yesterday is the past, tomorrow is the future; and today? Today is the present, the gift: Enjoy it!
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