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Metal Corrosion in Boats. The Prevention of Metal Corrosion in Hulls, Engines, Rigging and Fittings/Коррозия металла в лодках. Предотвращение коррозии металла в корпусах, двигателях, оснастке и фитингах

Артикул: 00455680
в желания В наличии
Автор: Nigel Warren
Издательство: Adlard Coles Nautical (все книги издательства)
Место издания: London
Серия: Защита от коррозии на судах (Все книги серии)
ISBN: 978-0-7136-4869-0
Год: 2006
Переплет: Мягкая обложка
Страниц: 258
Вес: 333 г
1100 P
900 P
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Книга на английском языке
A "black art": that's how metal corrosion and its prevention is regarded by most boat owners and indeed by many boatbuilders. It is a subject not often presented in yachting magazines, or if it is, the author is a corrosion engineer and baffles everyone with science. This book is an attempt to fill the gap and be of use to boatbuilder and owner alike.
It is very useful for an owner to have a broad knowledge of the corrosion behaviour of the common boatbuilding metals and to know in what conditions they are likely to corrode too rapidly for comfort. In some instances it is vital to the safety of the boat: seacocks, for example. Such knowledge is also very useful when choosing new fittings over the chandler's counter because so often chandlery staff are quite ignorant. The effect of one metal on another when immersed in seawater is a particular aspect that is very important; fortunately it is easily understood and without a knowledge of mathematics or even science!
While there are broad theories that help to determine a particular metal for a particular purpose, its actual corrosion behaviour can be very variable because corrosion depends upon so many factors. Consequently hard and fast rules are very difficult to make. The natural tendency of any metal is to return to its original state in the earth, as an ore, and only good choice and subsequent maintenance can reduce the speed of this process.

List of Tables
Introduction and Acknowledgements
Elements and their Symbols
The Metals Themselves
1. Stainless Steels
Austenitic stainless steels: the marine grades
Preventing weld decay
Pitting corrosion
Velocity effects
Surface finish
Temperature
Galvanic behaviour
Stress corrosion
Corrosion fatigue
Cavitation
Fresh water
Magnetic properties
Standards
Care of stainless steel
Conclusions
2. Copper and Nickel Based Alloys (Brasses and Bronzes)
Copper
Brasses
Zinc-free copper alloys
Nickel-based alloys
Chromium plating
In fresh water
In simple terms
3. Aluminium
Alloying elements
Marine grades
Pitting corrosion
Galvanic corrosion
Poultice corrosion
Other types of corrosion
Anodising
Conclusion
4. Steel and Iron
Steel
Corrosion rates in seawater
Galvanic corrosion
Impingement attack
Sulphate-reducing bacteria
Corrosion in a marine atmosphere
Cor-Ten steel
Iron ; Coatings to protect steel and iron
Zinc, cadmium and aluminium coatings
Tin, lead, nickel and chromium plating
Nylon dipping
Sheathing with fibreglass
Cladding
In fresh water
Conclusion
5. Miscellaneous Metals
Lead and solder
Uranium
Titanium
Magnesium alloys
Types of Corrosion
6. Wastage, Pitting and Velocity Effects
General wastage
Pitting
Velocity effects (impingement and cavitation)
7. Galvanic Corrosion
The Galvanic Series
Insulation
Fastenings
Nail-sickness
Antifoulings
Conclusion
8. Electrolytic, Selective and Stress Corrosion, and Corrosion Fatigue
Bonding to earth
Electrolytic corrosion
Selective corrosion
Stress corrosion cracking
Corrosion fatigue
Fatigue-conducive conditions
Control and Prevention
9. Cathodic Protection: the Corollary of Galvanic Corrosion
Sacrificial anodes
Fibreglass and wooden hulls
Outboards and sterndrives
Impressed current systems
Snags with cathodic protection
10. Underwater Problem Areas
Keels and keel bolts
Lead keels
Choice of keel bolt material
Internal ballast
Sterngear
Propeller shafts
Propellers
Sterntubes and shaft struts
Seacocks
Rudders and rudder pintles
Centreboards
Fastenings
Sterndrives and outboards
Antifoulings
Mooring chains
11. Problem Areas on Deck and Aloft
Bollards, fairleads etc
Pulpits, stanchions and lifelines
Ground tackle
Window frames
Controls and instruments
Hinges, padlocks, hasps and staples
Masts
Rigging
Wire terminals
Thimbles
Rigging screws (bottlescrews or turnbuckles)
Shackles;
Tangs and chainplates
Sealants
12. Metal Hulls and Copper Sheathing
Steel hulls
Surface preparation
Painting
Blast-cleaning
Paints
Maintenance painting
Special areas
General principles
Interior
Freshwater craft
Colour
Zinc-rich paints
Paint thickness measurement
Rust raisers
Galvanic precautions
Metal-coated steel hulls
Painting metal coatings
Aluminium hulls
Welded or riveted?
Copper sheathing and copper-nickel hulls
Copper-nickel hulls
13. Engine Corrosion
Direct and indirect cooling
Water piping
Exhausts
Fuel tanks
Water tanks
Electrical items
Outboard motors
14. Seawater, Sea Salt and Corrosion Preventers
Sea salt
Corrosion preventers
Appendices
Strengths and Densities of Common Boat Materials
Proprietory Stainless Steel Propeller Shafts
Weights and Measures
Glossary
Marine Materials
Bibliography
Useful Websites
Useful Addresses
Index

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