It is a physical examination in which objects that can be seen with the eye with the help of lens assembly are made more magnified.
Macro examination is the examination of a branded or non-etched test sample with the naked eye or with a small magnification.
Macroscopic experiments are used to reveal macroscopic properties by examining the cross section of the welded joint. This process is done by examining the prepared surface visually and / or optically before and after etching.
TS EN 1321: Destructive Testing of Welds in Metallic Materials – Macroscopic and Microscopic Inspection of Welds