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KARL DEUTSCH
INSTRUMENTS AND SYSTEMS FOR NON-DESTRUCTIVE TESTING OF MATERIALS
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Technical Discussions
Xavier Gros
Xavier Gros
00:19 Nov-21-2001
New industrial project on laser shearography - a practical evaluation

Conventional methods such as ultrasound, eddy current, radiography and magnetic particle testing are well established and regularly used by industry. The capabilities of these methods are now well known, but they are not suited for fast non-contact examination of large areas. Laser shearography appears to provide a viable combination of reliable defect detection and rapid non-contact measurements.

Laser shearography is a form of video holography that allows real-time mapping of strains caused by surface and sub-surface flaws. Defect shape, size and location can be quantitatively measured. The potential advantages which laser shearography offers for industrial applications include:

· rapid inspection compared with ultrasonic or any other manual testing technique,
· scanning of large areas,
· examination of complex geometries and various materials,
· visual format output display simplifies defect detection and signal analysis,
· non-contact measurement and mapping of strain.

The NDT Group of Mitsui Babcock technology Centre is launching a new Group Sponsored Project (GSP) that aims to evaluate the capabilities and limitations of laser shearography. This project will also provide guidelines for laser shearography inspection of parts and structures; including but not limited to composite, aluminium and steel structures. This study should be of interest to a wide range of industries such as composite manufacturers, aerospace, automobile, marine, offshore, petrochemical pressure vessel industries. More information can be obtained by sending an e-mail to: ndt@mitsuibabcock.com



 
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Metodi Stamenov
Metodi Stamenov
01:23 Jan-08-2002
Re: New industrial project on laser shearography - a practical evaluation
kindly ask for more information on laser shareography


 
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