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.
The simplest cause of puffiness is simply the pressure on your face while you sleep hours, especially if you don't turn much in your sleep. This will naturally go away as you wake up, but you can help the process by applying a cool, wet cloth to your face. Other common causes are: 1  Water Retention: The most common reason for a puffy face in the morning is fluid retention. The best way to avoid this is to limit alcohol and salt (sodium) intake and, perhaps counter-intuitively, drink more water to flush out the system. Allergic Reactions: A common cause of puffiness in the morning is an allergic reaction.