| Titre : |
Based on type of deterioration of the metal - Part 5 |
| Type de document : |
texte imprimé |
| Année de publication : |
2013 |
| Langues : |
Anglais (eng) |
| Catégories : |
Alliages
Corrosion
Métaux
|
| Tags : |
'Corrosion uniforme' Mesure Macrocorrosion Microcorrosion intercristalline' Métaux Alliages Luxation 'Effet défauts ponctuels' Imperfection 'Joints de grains' |
| Index. décimale : |
620.16 Métaux et leurs alliages |
| Résumé : |
We have discussed the corrosion process based upon the mechanism of corrosion, and types of environment in part-2 and part-4. In this part we will study the corrosion process based upon the type of deterioration of metals. The fol lowing types of deterioration of the metal, due to corrosion, have been reported :
a. General corrosion or surface corrosion or extensive corrosion.
b. Inter-crystalline corrosion.
The pure metal is less susceptible to corrosion but lacks in many desired metallic properties. The al loy though is good for engineering works but is prone to corrosion. Undoubtedly the environment and metal surface heterogeneity cause corrosion but the geometrical structure causes more serious corrosion problem. The intercrystalline corrosion is many a time is not visible from naked eyes or is hidden and weakens the very basic property (mechanical strength) of a metal which causes loss to life, money and man power. |
| Note de contenu : |
- GENERAL OR SURFACE CORROSION : Uniform corrosion - Mechanism of uniform corrosion - Measurements - Non-uniform corrosion
- INTERCRYSTALLINE CORROSION : Metal - Alloys - Crystal imperfections - Effect of point defects - Dislocation - Grain boundaries |
| Permalink : |
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in PAINTINDIA > Vol. LXIII, N° 9 (09/2013)
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Based on type of deterioration of the metal - Part 5 in PAINTINDIA, Vol. LXIII, N° 9 (09/2013)
