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4D CT


         4D imaging: 4D imaging is based on traditional 3D CT imaging, for which a time dimension is added, that is, a CT scan with time resolution.

          Generally it is divided into the following types, and Sanying can provide perfect solutions.


          Types based on the change rates of the samples’inner structures


Type

Change Rate

Applicable CT Equipment


Low-speed 4D

Change rates of the sample's inner structures are above the hour level

Laboratory CT

(Applicable to the products of Sanying)


Fast-speed 4D

Change rates of the sample's inner structures range from tens of seconds to more than ten minutes

Laboratory CT

(Applicable to the products of Sanying)


Ultrafast-speed 4D

Change rates of the sample's inner structures are within ten seconds

CT system based on synchrotron radiation source


        

          Types based on the samples’change factors of inner structures


Type

Specification


No loading device is required

The inner structure of the sample changes spontaneously over time


Loading device is required

 

Compression/Tension/Torsion/Three-point bending

It is suitable for mechanical experiments and analysis of materials. We can provide loading devices with various force values: 5kN, 300kN, 2000kN, etc.


Confining pressure & Axial pressure

It is suitable for triaxial compression experiments of rock mechanics and soil. We can provide loading devices with various pressure values: 1MPa, 30MPa, 60MPa, etc.


Seepage/Displacement

It is suitable for water displacing oil, gas displacement and other experiments in petroleum geology


High/Low temperature

It is suitable for temperature-sensitive sample analyses





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