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A New Automated In Line Quality Control System Based On Non-destructive Evaluation For Additive Manufacturing Of Net-shape Parts From Particulates

  • : Istvan Szabo1, Jiangtao Sun1, Cem Selcuk1, Tat-Hean Gan1
  • : 1Brunel University London
  • : PDF Download
  • : 2016

Abstract

Additive manufacturing and 3D printing is a highly desirable and rapidly growing industry sector. During the manufacturing process microscopic cracks and porosity may form and be critical. These features may negatively affect the structural integrity of the components. Both Digital Radiography (DR) and Computed Tomography (CT) are highly sought after means of non-destructive evaluation (NDE) of net-shape parts from particulate materials in a smarter fashion.

3D CT imaging offers to detect local and bulk defects accurately in a reliable manner in-situ. Through this it will be possible to achieve an enhanced quality control operation towards ideally 100% coverage in manufacturing output, and consequently a more reliable production.

This study hence details the importance of an integrated system; firmware and software, for a seamless and safe integration of such a quality assurance approach in additive manufacturing. Added value for applications in major industry sectors (e.g. energy and transport) is also highlighted.

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