What should be done if there are signs of corrosion on a part after testing?

When corrosion is detected on a part after testing, it is essential to postclean the part without delay. Postcleaning involves removing any residual penetrant, developer, or contamination as well as the corrosion products from the surface of the material. This process is crucial for several reasons.

First, corrosion can compromise the integrity of the material, leading to potential failures or safety concerns. By postcleaning the part, you are ensuring that the true condition of the base material can be assessed accurately, as obscurant agents like penetrants or developers may mask the extent of the corrosion.

Secondly, thorough cleaning helps prepare the surface for any necessary follow-up actions, such as further inspections, repairs, or the application of protective coatings. Leaving the corrosion untreated could lead to further degradation of the material and increased difficulty in managing the corrosion in the long run.

Additionally, while applying a protective coating may be an appropriate action to take afterward, it is essential to first clean the surface to ensure that the coating adheres properly and is effective. Simply leaving the part with visible corrosion or not adequately assessing the damage could result in harder and more costly repairs later.

Thus, postcleaning is a critical step in the inspection process and ensures that any subsequent actions are both effective