Computed Tomography for Nondestructive Testing

摘要

Coordinate measuring machines (CMMs), vision systems, the trusty micrometer-no manufacturer would argue the importance of traditional dimensional metrology equipment, but the fact remains that the tried and true sometimes comes up lacking. What happens when you can't see or reach interior features? Is there any porosity or stress cracking deep within the workpiece? How about fiber orientation? And once a product has been assembled, how does one go about measuring the clearance between its mating components, the fit and function of the unseen interior?