where expertise comes together - since 1996 -

The Largest Open Access Portal of Nondestructive Testing (NDT)

Conference Proceedings, Articles, News, Exhibition, Forum, Network and more

where expertise comes together
- since 1996 -
1174 views
Technical Discussions
Trevor Easton
Engineering
Dofasco Inc, Canada, Joined Nov 1998, 13

Trevor Easton

Engineering
Dofasco Inc,
Canada,
Joined Nov 1998
13
02:26 Nov-29-2001
UT for laminates

I am looking for a device to detect delamination in a fibre product 0.120" thick
48" wide. Product is moving at 60ft/min on a belt conveyor. Any companies or suggestions?


 
 Reply 
 
Godfrey Hands
Consultant,
PRI Nadcap, United Kingdom, Joined Nov 1998, 305

Godfrey Hands

Consultant,
PRI Nadcap,
United Kingdom,
Joined Nov 1998
305
08:58 Nov-30-2001
Re: UT for laminates
: I am looking for a device to detect delamination in a fibre product 0.120" thick
: 48" wide. Product is moving at 60ft/min on a belt conveyor. Any companies or suggestions?
.

Trevor,
One possibility that comes to mind is Video Thermography, where a heat pulse (or continuous source) is put on the product, and a thermographic camera evaluates the resultant heat distribution, either on the same side as heat source or opposite side.
Don't know who in your area does this, but web search should help you.

Regards,

Godfrey


 
 Reply 
 
Dave Forsyth
R & D
TRI/Austin, USA, Joined Nov 2001, 41

Dave Forsyth

R & D
TRI/Austin,
USA,
Joined Nov 2001
41
03:21 Nov-30-2001
Re: UT for laminates
I would be concerned that the thermal response of the material may not be fast enough, if it is moving on a line at 60ft/second. If that is indeed the case, noncontact ultrasonic methods would seem to be appropriate. Since you are in Canada so I would encourage you to contact my colleagues in Montreal:

Jean-Pierre Monchalin
Group Leader
Process Modelling and Instrumentation, Optical Techniques
Industrial Materials Institute (IMI)
National Research Council Canada (NRC)
75 de Mortagne Blvd.
Boucherville, Quebec, J4B 6Y4
Telephone: (450) 641-5116 Fax: (450) 641-5106
Email: jean-pierre.monchalin@nrc.ca

They are very good at what they do.

Regards, Dave.

: : I am looking for a device to detect delamination in a fibre product 0.120" thick
: : 48" wide. Product is moving at 60ft/min on a belt conveyor. Any companies or suggestions?
: .
.
: Trevor,
: One possibility that comes to mind is Video Thermography,

(snipped)


 
 Reply 
 
Joe Buckley
Consultant, ASNT L-III, Honorary Secretary of BINDT
Level X NDT, BINDT, United Kingdom, Joined Oct 1999, 528

Joe Buckley

Consultant, ASNT L-III, Honorary Secretary of BINDT
Level X NDT, BINDT,
United Kingdom,
Joined Oct 1999
528
03:33 Nov-30-2001
Re: UT for laminates
: I am looking for a device to detect delamination in a fibre product 0.120" thick
: 48" wide. Product is moving at 60ft/min on a belt conveyor. Any companies or suggestions?
.

The speed will limit how complete a test you can manage, but large area delaminations should be detectable with air-coupled UT, using a plate-wave approach. (too fast to C-scan)

I suggest you contact QMI (www.qmi-inc.com) or Airstar (www.airstar1.com)

Rgds
Joe



 
 Reply 
 
Randy Plis
Sales, Consultant
AMDATA NDE Technology LLC, USA, Joined Oct 1999, 23

Randy Plis

Sales, Consultant
AMDATA NDE Technology LLC,
USA,
Joined Oct 1999
23
05:39 Dec-03-2001
Re: UT for laminates
: : I am looking for a device to detect delamination in a fibre product 0.120" thick
: : 48" wide. Product is moving at 60ft/min on a belt conveyor. Any companies or suggestions?

: Have we established how small of a flaw he is looking for? My recollection is that air scans tend to be used for fairly large diameter flaws.


 
 Reply 
 

Product Spotlight

NDTkit RT

NDTkit RT, TESTIA's Digital Radiography software The NDTkit product line software for X-ray analysi
...
s. NDTkit RT is a software benefiting from the Ultis kernel which is dedicated to radiographic image analysis. It offers a set of tools and filtering processes to assist RT operators in finding relevant flaws.
>

On-Demand Webinar: Advanced Ultrasonic Techniques for HTHA Detection & Assessment

In the Oil and Gas industry, High Temperature Hydrogen Attack (HTHA) can occur in steels operating a
...
t high temperature, usually above 205°C (400°F). Early stages of HTHA are very difficult to detect. Join us for a webinar presented by Guy Maes, Zetec Sales Engineer Director. The webinar will demonstrate how advanced ultrasonic techniques are deployed for efficient and reliable HTHA inspections.
>

Eddy Current inspection : RotoETscan Rotating Head

The rotating head RotoETscan detects the presence of longitudinal surface or sub surface defects a
...
t high speed. The rotating head is often installed directly on the production line. It is generally dedicated to the control of long products such as tubes, bars and wires, made of ferrous or non-ferrous material. It can also be used for inspection of small parts (billets).
>

Sci Aps Z-Series Portable Handheld Analysers

The world’s only handheld analyzer that measures carbon content in stainless (yes even L-grades),s
...
teels, and cast irons. Also accepted for low Si analysis for sulfidic corrosion analysis, and is widely used in the power industry for Cr analysis, for flow accelerated corrosion applications.
>

Share...
We use technical and analytics cookies to ensure that we will give you the best experience of our website - More Info
Accept
top
this is debug window