Template:WebNotes/MPCEnvironmental Deterioration

Environmental Deterioration Analysis The Environmental Deterioration (ED) rating system will vary depending on whether the structural item's materials are metallic or non-metallic. For metals, you will rate the material's sensitivity to different Potential Corrosion Types (PCT) such as pitting, fretting, erosion, etc. You will also rate the sensitivity to Stress Corrosion Cracking (SCC), the level of exposure to corrosive substances in the environment, and the degree of protection from that environment. For non-metals, you will rate the material's sensitivity to different Potential Environmental Damage Types (PED) such as humidity, solar, lightning, etc., as well as the ability to detect such damage. You will also rate the level of exposure to an adverse environment, and the degree of protection from that environment.

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