Investigations of corrosion behavior of organic coatings after nano surface treatment on 1050, 5005, 7075 aluminum type materials

Aluminum is increasing its effectiveness and frequency of use in many sectors day by day. Aluminum is an advantageous element in terms of material selection, thanks to its light weight, resistance to corrosive effects, thermal and electrical conductivity, easy formability and weldability. In particular, its alloys can have very different properties. It is decided which alloy element will be according to the environmental conditions and usage function in which it is used. In this topic, 1050, 5005, 7075 type aluminum materials used in the automotive sector, defense industry, industry and aircraft industry were used. Firstly, nano coating was applied on the materials. Afterwards, organic coatings such as cataphoresis coating, powder coating and zinc flake coating processes were applied. These processes applied are very different from each other in terms of method. The parts coated in these processes were subjected to performance tests. The first test is the adhesion test, which gives us preliminary information about whether the coating adheres well or not. After passing this test successfully, the parts were subjected to cycle corrosion test and cass test processes, and their results were compared.