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 -

697 views
Technical Discussions
yanxiang
yanxiang
02:51 Sep-11-2004
acoustic absorption of Low density polyethylene

Where can I find the frequency and/or temperature dependence of the acoustic absorption for the Low density polyethylene material?


    
 
 
Rolf D.
Director,
NDT.net, Germany, Joined Nov 1998, 604

Rolf D.

Director,
NDT.net,
Germany,
Joined Nov 1998
604
03:55 Sep-11-2004
Re: acoustic absorption of Low density polyethylene
----------- Start Original Message -----------
: Where can I find the frequency and/or temperature dependence of the acoustic absorption for the Low density polyethylene material?
------------ End Original Message ------------

You can try the following references:

Plastic Material's acoustic properties
http://www.ndt.net/links/proper.htm

Ultrasonic Testing in pipe extrusion
http://www.ndt.net/article/rohrext/us_pk/us_pk_e.htm
and open here the diagram "Sound attenuation"


    
 
 

Product Spotlight

FlexoFORM™

The FlexoFORM™ solution integrates flexible phased array probe technology in a scanner to solv
...
e the challenges that come with inspecting pipe elbows. When combined with a water column, this solution can be used to collect easy-to-interpret data on elbows with diameters ranging from 4.5 in. OD up to flat and offers many benefits.
>

NEW! The PragmaPro Instrument Platform

The PragmaPro is based on a modular cartridge technology and supports various NDT instrument modal
...
ities such as UT, PAUT, ECT and many more. This new platform is based on a machined, powder-coated aluminum frame for shock-proofness, best sealing qualities and maximum heat dissipation. This is practical to extend the outdoor temperature range and/or to extend the power injected in the transducers. The PragmaPro is aiming at a very wide range of applications, such as weld scanning, corrosion mapping and composite testing.
>

GUL QSR1® Scanning

How do you measure pipe wall thickness without direct access to the area? QSR® Scanning - Guide Wav
...
e Quantitative Short Range Scanning.
>

High-end Ultrasonic Flaw Detector with 32:128PR PAUT and 2-ch TOFD: SyncScan 2

SIUI’s newly launched SyncScan 2, is a high-end ultrasonic flaw detector with 32:128PR PAUT and
...
2-ch TOFD, which can maximize your efficiency for PA and TOFD. ● Support PA/TOFD/UT ● 32-ch PA is more suitable for inspection on extra-thick wall and high-attenuation material. ● 32-ch PA and 2-ch TOFD work simultaneously. ● Support PR mode for corrosion inspection.
>

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