Shearography system SHEAROGRAPHY
Laser Measurement Co., Ltd.
About This Product
■Summary
The shearography system is highly mobile and can quickly inspect the entire field of view with just turnkey operation, and can perform non-destructive and automated monitoring of structures. The standard measurement area is A4 size. The sensor part can also be attached to a vacuum hood. Dynamic excitation allows for uniformity of defect stiffness and parameters, making quantitative judgment possible. The equipment for dynamic excitation is contained within the rack unit.
■Measurement principle
Shearography is becoming a popular metrology technique in the field of non-destructive testing (NDT). When shearography is used for non-destructive testing, defects are identified by non-uniform deformation gradients due to external loads or stimuli. ISI's highly sensitive shearography allows the use of very compact and non-destructive loading systems.
Tubes and tanks are loaded by internal pressure. Other components require vacuum chambers, vacuum hoods, and surface heating with IR lights or hot air. Dynamic excitation is a completely unique technology. Defects can be seen as non-uniform deformation gradients. Depending on the spatial distribution of deformation, defects or structures can be identified by shearography.
■Dynamic vibration method
Dynamic excitation is a special technique for non-destructive testing and verification of material properties. A small, portable piezo exciter can locally excite defects such as cracks, delamination, and poor adhesion. Vibrations caused by local geometries allow defects to be visualized in just a few seconds by sweeping the frequency. It is especially suitable for composite materials with honeycomb sandwich structures that are difficult to achieve using other methods.
■Application example-1
・Subject: CFRP tank for aircraft. This tank is made with MAN Technology AG
・Material: CFRP (composite material and stainless steel)
・Challenge: Non-destructive inspection using a full field of view
・Method: Adjustment of internal pressure and SE3 shearography system
■Application example-2
・Subject: X-38 nose cap made by DLG in Germany
・Material: Composite material CSI-C
・Challenge: Non-destructive inspection of adhesion defects
・Method: SE3 Shearobalafy system and dynamic vibration device
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Product
Shearography system SHEAROGRAPHY
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Handling Company
Laser Measurement Co., Ltd.
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Categories
1 Models of Shearography system SHEAROGRAPHY
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SHEAROGRAPHY |
Available upon quote |
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