Análisis de calidad para piezas fundidas de aluminio mediante ensayo radiográfico de rayos X

Abstract

This document shows the procedure followed in order to analyze the quality of aluminum castings using X-ray test. This work was made due to the lack of standard procedures in Ecuador for the analysis of the quality of aluminum castings that guarantee the aptness to perform the function they were designed for, developing guides that show a comparison pattern and recommendations for obtain radiographs that detect discontinuities inherent to the casting process. In order to reach the mentioned goal a bibliographical review was made, gathering information about manufacturing processes, focusing on casting process, and the importance of the quality in products, that is ensured using non-destructive tests, adopting industrial radiography as non-destructive test. Using the information that was obtained from the bibliographical review, test specimens were produced that were made of aluminum and had selected discontinuities, in order to be inspected by radiography and obtain images that show the appearance of the discontinuities in two perpendicular directions for define them entirely. With this information was reachable the definition of the guides for inspect aluminum castings, collecting recommendations and limitations for the detection of those discontinuities using the X-ray equipment used for the development of this work, providing an overview to the inspector that will test castings.