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Technical Discussions
S S Ananthan
S S Ananthan
09:48 Apr-16-2002
ACFM

SIr,

I understand that ACFM is a technique for finding the surface cracks. Where is it being used? Can it be used in power plants during shutdown for condition assessment ? What sort of surface cleaning is required ? Anybody using the technique for in service inspection ? If any literature source is available pl indicate


S S Ananthan



    
 
 Reply 
 
T.Ausland
Consultant
Norway, Joined Mar 2001, 3

T.Ausland

Consultant
Norway,
Joined Mar 2001
3
00:08 Apr-16-2002
Re: ACFM
: SIr,
.
: I understand that ACFM is a technique for finding the surface cracks. Where is it being used? Can it be used in power plants during shutdown for condition assessment ? What sort of surface cleaning is required ? Anybody using the technique for in service inspection ? If any literature source is available pl indicate
.
:
: S S Ananthan
.
You are correct ! The equipmen are use to detect surface breacing cracks offshore ,onshore and could be used at powerplants as well. ACFM have data storage facillities for your scans and sizing opportunities.The requirement for cleaning will be as for eddy current. However the ACFM method is not the fastest method avilable and it takes a trained operator to do a efficient and qualifyed job. In normal job situations where you dont have requirements for data storage i would not choose ACFM but rather more conventional eddy current equipment.

T.Ausland


    
 
 Reply 
 
Peter Simpson
Director,
Ashtead Technology Ltd, United Kingdom, Joined Oct 1999, 12

Peter Simpson

Director,
Ashtead Technology Ltd,
United Kingdom,
Joined Oct 1999
12
00:46 Apr-16-2002
Re: ACFM
Excellent information on ACFM is available from Technical Software Consultants web site http://www.tscuk.demon.co.uk/tschome.htm

Regards

Peter Simpson


: SIr,
.
: I understand that ACFM is a technique for finding the surface cracks. Where is it being used? Can it be used in power plants during shutdown for condition assessment ? What sort of surface cleaning is required ? Anybody using the technique for in service inspection ? If any literature source is available pl indicate
.
:
: S S Ananthan
.



    
 
 Reply 
 
M. Lugg
Consultant,
TSC Inspection Systems, United Kingdom, Joined Nov 2000, 27

M. Lugg

Consultant,
TSC Inspection Systems,
United Kingdom,
Joined Nov 2000
27
00:58 Apr-16-2002
Re: ACFM
: : SIr,
: .
: : I understand that ACFM is a technique for finding the surface cracks. Where is it being used? Can it be used in power plants during shutdown for condition assessment ? What sort of surface cleaning is required ? Anybody using the technique for in service inspection ? If any literature source is available pl indicate
: .
: :
: : S S Ananthan
: .
: You are correct ! The equipmen are use to detect surface breacing cracks offshore ,onshore and could be used at powerplants as well. ACFM have data storage facillities for your scans and sizing opportunities.The requirement for cleaning will be as for eddy current. However the ACFM method is not the fastest method avilable and it takes a trained operator to do a efficient and qualifyed job. In normal job situations where you dont have requirements for data storage i would not choose ACFM but rather more conventional eddy current equipment.
.
: T.Ausland
.
ACFM is certainly widely used on power plants. It has advantages of being able to work through thicker coatings than conventional eddy currents or MPI, thus reducing cleaning requirements, and can depth size cracks. For more information, please refer to our web-site.


    
 
 Reply 
 

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