Real-Time Radiography for CDI Castings X-ray Inspection System, SBIR Phase I.

Download or read book Real-Time Radiography for CDI Castings X-ray Inspection System, SBIR Phase I. written by Nand Gupta and published by . This book was released on 1997 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this project is to demonstrate the feasibility of a low cost, real-tirne radiographic inspection technique for Cast Ductile from (CDI) castings which can provide both standard inspection images and three dimensional positional information of image features. The feasibility of this project was demonstrated by real time radiographic experiments on a smaller object at 150 kV x-ray energy and by tangential x-ray imaging of an actual 3% CDI projectile at 280 kV x-ray energy. The greater sensitivity of the new detector technology introduced in this development project makes it possible to use significantly lower x-ray energy than would normally be required for the inspection of such castings. This is an important achievement because the cost of radiographic inspection equipment and facilities is directly correlated with the x-ray energy level. For data display, a new tangential technique for the collection of radiographic data is combined with a Multi Planer Reconstruction (MPR) image display (first introduced in a recent Omega NSWC SBlR). This is used to show both the standard and three-dimensional inspection information. This combination of enhanced detectors, tangential scanmng and data display makes possible an enhanced, cost effective, radiographic inspection system which can identify both the features and their position in three-dimensional space in the dense CDI material.