| Titre : |
Eco friendly energy efficient phosphate passivation process for CRCA & HRCA mild steel metal substrate |
| Type de document : |
texte imprimé |
| Auteurs : |
C. Emmanuel, Auteur |
| Année de publication : |
1999 |
| Article en page(s) : |
p. 113-124 |
| Langues : |
Anglais (eng) |
| Tags : |
'Peinture anticorrosion' Peinturage 'Préparation surface' Passivation Phosphatation 'Protection corrosion' 'Acier doux' environnement' 'Prévention pollution' |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Metal finish operations viz., plating and painting are employed in engineering industries for the purpose of protecting their metal based products from, i) Corrosion ii) Aesthetics
For machine machine tool products, painting after suitable surface preparation is being adopted. |
| Note de contenu : |
- Corrosion and rusting : Meaning corrosion - Why metals are corroded? - Metal passivation-meaning and origination - Theories of metal passivation - What is meant by rusting and passivation? - Rust formation-origination - Acidic corrosion - Alkayne corrosion - Rust prevention-basic logics - Effect of passivation - Hybrid or mixed methods of rust prevention - Phosphating passivation process - Conventional 7 tank phosphate process - Solvent and hot alkaline degrease - Acid pickling - Zinc phosphating - Chromium passivation
- Eco-friendly energyless or energy efficient phosphating passivation process for CRCA & HRCA MS sheet metal substrate
- Salient features of new process : Degrease operation - Inhibited acid pickling - Phosphating passivation or oxidation phosphate process - Chromium free metal passivation process
- Process reaction mechanism and coating formation : - Phosphating process-meaning and significiances - Need for phosphating - Actions occured in phosphating process - Functions of phosphate coat - Disadvantages of conventional zinc phosphate process - Coating and sludge formation-in zinc phosphate process-reaction mechanism
- Economic and ecobenefits of new process structure |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13014 |
in PAINTINDIA > Vol. XLIX, N° 7 (07/1999) . - p. 113-124
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