After a short description of a radiological grid and its radiograph, the Moire method is explained. Moire fringes are observed by superposing 2 radiographs of the same grid on a film viewer. A simple analysis of this effect discovers structural defects in the grid. The defects are classified by means of several illustrations
Crosta, G. (1981). использование эффекта муара при контроле качества рентгенологических отсеивающих растров [Use of the moiré effect in the quality control of x-ray screening grids]. VESTNIK RENTGENOLOGII I RADIOLOGII, 1981(1), 70-73.
использование эффекта муара при контроле качества рентгенологических отсеивающих растров [Use of the moiré effect in the quality control of x-ray screening grids]
Crosta, GFF
1981
Abstract
After a short description of a radiological grid and its radiograph, the Moire method is explained. Moire fringes are observed by superposing 2 radiographs of the same grid on a film viewer. A simple analysis of this effect discovers structural defects in the grid. The defects are classified by means of several illustrations
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