Monday, December 31, 2007

Corrosion FAQs

What are the different types of corrosion?

The word corrosion comes from Latin and means to "gnawor chew into little pieces." In metallurgy, it is the chemicalor electro-chemical reaction between a material (usually ametal)and its environment that causes deterioration of themetal and its properties.
Types of Corrosion:
Uniform
Pitting
Crevice
Galvanic (dissimilar materials in an electro-chemical cell)
Erosion Corrosion (flowing corrodent)- Cavitation in corrodent- Fretting (mechanical motion)
Inter granular (including exfoliation)
De alloying (attack of one component in an alloy)
Corrosion Assisted Cracking- Stress Corrosion (tensile stress)- Corrosion Fatigue (cyclic stress)
Hydrogen Damage (embrittlement, blistering, etc.)
Microbiologically Induced Corrosion (MIC)

more

NACE FAQs

CORRECTION ENGG FAQs

WELD CORROSION FAQs

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