This document specifies the full immersion or intermediate immersion exfoliation corrosion test methods for 2×××, 5×××, 6×××, 7××× deformed aluminum alloy products. This document is applicable to the exfoliation corrosion test of deformed aluminum alloy products such as 2×××, 5×××, 6×××, 7××× series aluminum alloy plates, strips, tubes, rods, molds and forgings.
GB/T 22639-2022 Referenced Document
GB/T 12967.3 Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys—Part 3 : Salt spray test
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8005.1 Aluminium and aluminium alloy terms and definitions—Part 1:Product and method of processing and treatment
GB/T 22639-2022 history
2022GB/T 22639-2022 Test method of exfoliation corrosion for aluminium alloy products
2008GB/T 22639-2008 Test methods for exfoliation corrosion for wrough aluminium and aluminium alloys