Abstract
AbstractAn experimental system that comprises a film of low silver content and a pair of high resolution phosphor intensifying screens and a commercial industrial X-ray film of similar speed arc compared for image quality. The speed of the radiographic systems and the X-ray energy of 200 kV that are fundamental to this study are both of particular interest to the industrial radiographer. The image quality is assessed by use of data derived from microdensitometer traces of a line test object, which provides information on the image contrast and on the grainincss, and by use of prints of magnified radiographs. It is concluded that the use of phosphor screens offers an increase in image quality when the information is limited by the graininess or quantum mottle of a radiograph which is frequently the case in practical radiography.
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