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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Chandrahas Rathod
Sent: Tuesday, May 31, 2011 09:45
To: materials-welding@googlegroups.com
Subject: Re: [MW:11220] any one can explain how welding CRACKS looks on x-ray film of any welded pipes ETC. ----
hi,
it will be straight under lower mag and same will be in zig-zag/tapered in both direction under high mag.
each zig-zag point connects to make a straight line(H .mag).
under low mag u can see zig-zag only if the residual/ service stress is high enough to reveal it and it will be not straight at normal mag.
On Sun, May 29, 2011 at 2:24 PM, sajidalam mohd. <engineer_makes_world@yahoo.co.in> wrote:
| DEAR EXPERTS GOOD DAY CAN ANY ONE EXPLAIN HOWS CRACKS IN WELD ON X-RAY FILMS LOOKS? IT LOOK LIKE ZIZ ZAG??? ITS LOOKS LIKE THIN/NARROW STRAIGHT LINE??? BECAUSE I AM CONFUSED ABOUT INDICATION OF CRACKS OF WELDING ON X-RAY FILM? WAITING FOR REPLY. REGARDS MOHAMMAD SAZID ALAM INSPECTION ENGINEER AICO-DAMMAM MOBILE:-0534077860 |
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