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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 | ||
