Introduction to computed tomography: application to the inspection of material extruded tensile testing specimens

Abstract

Introduction. The growth of additive manufacturing has rapidly changed the way in which many industries approach their fabrication methods. Additive manufacturing was born as a rapid prototyping process, quickly expanding into many different areas. Although the technology has come a long way in recent years, increased progress and inves-tigation are still necessary to reach the required quality manufacturing standards by the industry (Khosravani & Reinicke, 2020). In the last decades, different printing technologies were developed, and, to create a common ground for manufacturers and users, the ISO/ASTM 52900 includes the standards for additive manufacturing. Printing covers a wide range of applications, mainly using plastic materials such as polylactic acid (PLA) and acrylonitrile buta-diene styrene (ABS), among others. Many makers, researchers, and industries use this technology to create prototypes, small series of parts, and mass-production products. [...]