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Technical Discussions
Saravanan S
R & D,
L&T, India, Joined Oct 2016, 3

Saravanan S

R & D,
L&T,
India,
Joined Oct 2016
3
09:37 Apr-10-2018
Forum for NDT of composites

Dear All,
Greetings !

Is there any dedicated website for NDT of composite materials or for aerospace NDT?

 
 Reply 
 
Rolf Diederichs
Director,
NDT.net, Germany, Joined Nov 1998, 609

Rolf Diederichs

Director,
NDT.net,
Germany,
Joined Nov 1998
609
12:01 Apr-10-2018
Re: Forum for NDT of composites
In Reply to Saravanan S at 09:37 Apr-10-2018 (Opening).

You are already on the website that is the biggest web resource for NDT of composite materials or for aerospace NDT.

Go to the Database www.ndt.net/search/

You will find in the list of publications "AeroNDT" of eight proceedings back to 2008, e.g. http://www.ndt.net/search/docs.php3?MainSource=230

You may search for composite or better you go to the tab "Keywords" and type composite until the auto suggestion will show you all the resources. (be aware that not all authors filled-in their keywords)

You can also brows the list of conference sessions: Composite, NDT of ..., UT of .. Ultrasonic Testing of ....

1
 
 Reply 
 
Tobias Kroeger
, Marketing manager
AT - Automation Technology GmbH, Germany, Joined May 2011, 1

Tobias Kroeger

, Marketing manager
AT - Automation Technology GmbH,
Germany,
Joined May 2011
1
16:19 Apr-16-2018
Re: Forum for NDT of composites
In Reply to Saravanan S at 09:37 Apr-10-2018 (Opening).

Dear Saravanan,

please visit our profile (AT - Automation Technology GmbH) on ndt.net to get information about NDT of composites and aerospace NDT by means of active thermography.

Beside other products, we developed a mobile ndt device, espeacially designed for the inspection of composite components of aircrafts. You can find a video about that product (called C-CheckIR) on our profile, too.

If you need further information, please contact me!

1
 
 Reply 
 
Johann Hinken
FI Test- und Messtechnik GmbH, Germany, Joined May 2014, 19

Johann Hinken

FI Test- und Messtechnik GmbH,
Germany,
Joined May 2014
19
16:38 Apr-16-2018
Re: Forum for NDT of composites
In Reply to Saravanan S at 09:37 Apr-10-2018 (Opening).

Dear Saravanan,
for glass fiber reinforced plastics and other insulating composites you may consider microwave testing. For this please see
www.fitm.de
http://fitm.de/wp-content/uploads/2017/07/N38e-Microwave-Testing_An-Overview.pdf
and http://fitm.de/index.php/applications/
Regards, Johann

1
 
 Reply 
 
J.B.
J.B.
23:11 Apr-16-2018
Re: Forum for NDT of composites
In Reply to Johann Hinken at 16:38 Apr-16-2018 .

Check e.g. the following papers - AANC from Sandia is funded by FAA as well coworking with Boeing, Airbus, Embraer, Bombardier etc.
AANC is cooperating the SAEs CACRC and the Inspection Task Group

http://www.tc.faa.gov/its/worldpac/techrpt/tc15-4.pdf
http://www.tc.faa.gov/its/worldpac/techrpt/tc16-8.pdf
http://www.tc.faa.gov/its/worldpac/techrpt/tc15-63.pdf
http://airlines.org/wp-content/uploads/2016/11/9_27_1115.pdf
https://www.osti.gov/servlets/purl/1145750

Besides the Standards of ASTM which are giving lots of relevant information about NDT in Aeropsace (international recognized Standards on which the NDT-Procedures of Boeing, Airbus etc are based on) the papers of AANC, which is FAA funded, represent the state of the art in NDT of CFRP in Maintenance (as well the same is valid for Production). This is the best source also for POD data.

But keepin mind. 95% of NDT on CFRP ist UT/PAUT. Thermography, Shearography, LaserUT, Eddy Current, TP/MT have no Impact or nearly no Impact. Dont trust tables you may see in some papers even of government Research organisations. if you look into factories or maintenance handbooks, you see UT, UT PAU, PAUT, PAUT.... to check parts build with CFRP. Even for Sandwich, PAUT gets more and more important, as it has the capabilites to replace alle other methods like Bondmaster, Thermography, Taptest (only the tooling for taptest is so simple and cheap, that is unbeatable where you can use it)

2
 
 Reply 
 
Simon Amallraja
Simon Amallraja
08:08 Apr-20-2018
Re: Forum for NDT of composites
In Reply to Saravanan S at 09:37 Apr-10-2018 (Opening).

Composite material is complex in nature and there are different proven methods available in the market. Depends on what you want to test, you have different techniques like High Power UT, Air Coupled UT, IR Thermography, Shearography, PUAT, Microwave and many more.

CFRP and GFRP has different test reqt.

If you can give details of your application or test reqt, this forum can help you a lot.

1
 
 Reply 
 
Saravanan S
R & D,
L&T, India, Joined Oct 2016, 3

Saravanan S

R & D,
L&T,
India,
Joined Oct 2016
3
09:55 Apr-23-2018
Re: Forum for NDT of composites
In Reply to Simon Amallraja at 08:08 Apr-20-2018 .

Dear Mr.Simon Amallraja,

I am looking for inspection of GFRPs, CFRPs and honeycomb panels inspection.
Currently I am using through transmission inspection, both air coupled inspection and dry coupled inspections. For air-coupled inspection, i dont have a C-Scan system. I need some C-Scan solution like PAUT which is useful in inspecting complex geometry parts like curved laminates, angle brackets etc. with minimal instrumentation. I would like to know if there are any solution available for such applications.

 
 Reply 
 
J.B.
J.B.
00:16 Apr-25-2018
Re: Forum for NDT of composites
In Reply to Saravanan S at 09:55 Apr-23-2018 .

if you look for Aircoupled Array UT check at Dr. Hillger (http://www.dr-hillger.de/HauptseitenE/F-Luftultraschallt-e.html ,
For example Airbus Helicopter uses this System (http://www.ndt.net/article/aero2012/papers/tu2b3.pdf)
An 8 element Array can be seen here in a Video: https://www.youtube.com/watch?v=AzYwbOmdKvQ&list=PL6P3SP4RoyanAkBHSHJLOtvThKkKz4k-z&index=4 (AirTech 4008)

2
 
 Reply 
 

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