Conversion Coating

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Conversion Coatings are widely used for pretreatment of metals. Conversion Coatings are produced as a result of a chemical reaction between a metal surface and its environment and is converted into a tightly bonded layer of metal salts integral with the metal surface. A first-of-its-kind book that deals with the basic aspects of corrosion and also explains the applied aspects. Pollution control methods and trouble-shooting are also dealt with exhaustively. The book covers: Pretreatment methods; Industrial applications; Equipment; International and national methods; Quality control; Plant operations; Safety methods It also covers anodizing, a non-electrolytic process, which is an important area for understanding conversion coatings. The authors are an authority in this field and have over 30 years of experience in this field. A useful reference to metal finishers, R & D institutions and to material science scientists. Table of Contents Part I: Phosphate Coatings 1. Introduction 2. Historical Background 3. Principles of Corrosion 4. Surface preparation and pre-treatment methods 5. Theoretical aspects of phosphating 6. Types of Phosphate Coatings – Classifications 7. Methods of phosphating 8. Properties of phosphate coatings (physical & chemical) and other influencing factors 9. Practical Applications and uses (with & with out post treatments) 10. Phosphating of nonferrous metals and other special processes 11. Recent Innovations in Phosphating technology 12. Analytical and quality controls 13. Evaluation and testing of phosphate coatings 14. Assessment of phosphate coatings 15. Plant requirements (Equipments, materials of construction sludge removal ) 16. Solution Maintenance Schedule 17. Pollution Control – Effluent treatment and waste disposal 18. Safety precautions 19. National and International Standards Part II : Oxide and Chromate Coatings 20. Other types of conversion coatings 21. Chromate treatment of metals 22. General properties of chromate films aduses 23. Chromate treatment for zinc and cadmium 24. Chromate treatments for copper and its alloys 25. Chromate treatments for Aluminium and its alloys 26. Film formation mechanism and factors influencing chromate treatments 27. Methods of Applying chromate coatings 28. Evaluation of chromate coatings 29. Troubleshooting 30. Pollution Control – Treatment of wastes in chromating plants and disposal 31. Specifications for testing chromate coatings Part III: Anodising 32. Anodising of aluminium and its alloys – General principles, mechanism, properties and applications 33. Pre-treatment processes of Aluminium and its alloys for Anodising 34. Colouring of Anodised Aluminium 35. Anodising plant – equipments and accessories 36. Sealing of Anodic oxide films 37. Quality control and testing of Anodic oxide films 38. Control and maintenance of Anodising bath 39. Pollution Control Effluent treatment in Anodising plants"