Industrial Computed Tomography (CT) for Additive Manufacturing Inspection and Quality Assurance.

With the rapid growth of additive manufacturing, new challenges relative to inspection of internal details of an AM part have become apparent. Complex passageways and volumes can be built directly into a part, but what assurance does the manufacturer have that these hidden regions turned out as planned? In this story, we present how industrial CT is useful in determining if residual material is left in passages, or is trapped in stagnation areas, and have escaped the cleaning process. Figure 1 shows the CAD model of a part that is a candidate for additive manufacturing. Note that making the internal cavities would take multiple processes to fabricate with traditional machining and joining

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