lunes, 6 de mayo de 2019

Corrosion: a common issue

If we would ask someone who is not familiar with the science of materials or the metallurgical industry what corrosion is, they might answer that corrosion is what makes iron become reddish. However, if the same person was asked about what the yield strength, the fracture toughness or the austenitic grain size are, he or she might stare at us wondering what kind of language we are speaking.

Most people know something about corrosion because most people have had to deal with it personally. It affects our cars, our appliances, the plumbing of our households, the planes we are taking to go on vacation …   

Anyway, although we all know some way to define corrosion, very few people know how complex this phenomenon is. The following paragraph taken from the introduction of the ASM HANDBOOK VOLUME 13, a document that can be considered as a reference in the field of corrosion, can help us to get an idea: