There are factors that influence crevice corrosion. 1  These include: 2  The type of crevice: either metal to metal or metal to nonmetal. 3  The geometry of the crevice: including the size of the gap, its depth and the surface roughness. 4  The composition of the metal: the structure of the alloy composition and can be Cr, Mo, or others.
1 Allergies - Allergic reactions can lead to leaks in the subcutaneous capillary beds which can cause swelling in the face, including around the eyes.  Skin disorders - Eye puffiness can be a side effect of certain skin disorders, such as dermatitis, if the affected area becomes very sensitive, leading to swelling.
Jumbo fries, pepperoni pizza, and other salt-intense foods can cause puffy eyes. However, salt by itself does the eyes good. Get rid of the puffy eyes by mixing 1/2 teaspoon salt into 1 quart warm water. Dip cotton balls or facial pads into the solution, then lie down and apply pads to the eyelids. Rest in this position for at least ten minutes while keeping the pads in place.