Testing of aircraft materials Flashcards
1
Q
Magnetic particle testing
A
Piece of metal is placed between 2 magnetic poles or a magnetic field is induced on the metal. Then it is sprinkled with a magnetic powder with the excess removed. The remaining powder shows the edges of cracks as they become magnetic poles.
2
Q
Gamma ray
A
Similar to Xray testing but utilsies gamma rays which are more powerful and can penetrate more. very dangerous to humans