Materials Science, Metallurgy, Welding, NDTs, Reliability Assessment, Failure Analysis, etc.
sakib321
Posts: 64 Joined: 02 Aug 2010, 04:06
Area of interest: Metallurgy Engineering
Post
by sakib321 » 31 Aug 2010, 04:07
DCVG
will any body give me details about this method
its purpose
its method
its limitation
its application
Sakib Jalal
ben
Posts: 165 Joined: 24 Aug 2010, 03:11
Area of interest: Mechanical Engineering
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by ben » 02 Sep 2010, 18:07
Go through the following link and if you have any specific query, do let me know.
http://en.wikipedia.org/wiki/DCVG
Nabeel Ahmed Qureshi
Core Member
Posts: 87 Joined: 04 Apr 2010, 09:38
Area of interest: Mechanical Engineering
Post
by Nabeel Ahmed Qureshi » 03 Sep 2010, 03:53
Direct Current Voltage gradient, an accurate method for picking wrapping defects & is widely used on underground pipelines.
Describe your specific query.
Regards
NAQ
sakib321
Posts: 64 Joined: 02 Aug 2010, 04:06
Area of interest: Metallurgy Engineering
Post
by sakib321 » 03 Sep 2010, 07:18
is it necessary to dig up the whole pipe for coating inspection by using this method
and can we ensure the integrity of pipeline via this technique
Sakib Jalal
ben
Posts: 165 Joined: 24 Aug 2010, 03:11
Area of interest: Mechanical Engineering
Post
by ben » 03 Sep 2010, 23:24
Is your pipeline cathodically protected?
sakib321
Posts: 64 Joined: 02 Aug 2010, 04:06
Area of interest: Metallurgy Engineering
Post
by sakib321 » 04 Sep 2010, 04:38
not at all
Sakib Jalal