Abstract
This paper presents a development of micro Computed Tomography (microCT) imaging system based on digital radiography. The system comprises stepper motor, CMOS detector, microcontroller and digital radiography unit. Scanning process was done by rotating the object while exposing its cross-sectional surface to X-ray radiation. The object was rotated by using stepper motor controlled by microcontroller. The normal of cross-sectional surface taken as the rotation axis. Therefore, a number of 2D image slices were obtained by rotating the object from 0° to 360°. The 2D image slices were then reconstructed to form 3D image using computer. By using the proposed microCT, analysis of surface and internal of the object can be done in 3D image and 2D image (slice) for nondestructive testing (NDT) application.
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