Transcription of CORROSION HANDBOOK
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CORROSION HANDBOOK
CORROSION HANDBOOK06/2021206/21 FOREWORDC orrosion is a ubiquitous natural process. Most of us, at some point in our everyday lives, become familiar with the effect that CORROSION has on rusted steel parts. CORROSION has a huge economic impact. About a fifth of the world s annual steel production simply goes towards replacing parts damaged by CORROSION . Even though it may involve higher up-front cost, correct and efficient CORROSION protection at source helps save money and resources in the long run. For fastening systems, it s even more critical because safety is key.
The illustration in Fig. 2 shows the basic corrosion mechanism of iron under a drop of water. Both metal dissolution and oxygen reduction reactions take place with slight separation on the surface, while their products (Fe-ions and OH-ions) react in the water drop to form iron oxide (red rust).
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