Telecurso 2000 – Ensaios de materiais Aula 25 – Ensaio por raios gama

In this lesson, you will learn the fundamentals of gamma ray testing, a non-destructive testing (NDT) method widely used for the internal inspection of materials and components, especially in situations where the use of X-rays is not feasible. The video clearly and didactically presents the principle of the method, the radioactive sources used, and the basic interpretation of radiographic images, highlighting its application in industrial inspection. 🔍 Topics covered in this lesson: What is gamma ray testing and what is it used for? Difference between gamma rays and X-rays Radioactive sources used (Iridium-192, Cobalt-60, among others) Types of detectable discontinuities Advantages, limitations, and applications of the method