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anodic protection system

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003696
EISBN: 978-1-62708-182-5
... Abstract This article presents a brief history and the uses of the anodic protection technique. It compares anodic and cathodic protection and describes the design considerations of the anodic protection system. The article discusses the specific requirements of equipment required for anodic...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004109
EISBN: 978-1-62708-184-9
... Abstract Cathodic protection (CP) is an electrochemical means of corrosion control widely used in the marine environment. This article discusses the two types of CP systems, namely, impressed current systems and sacrificial anode (passive) systems. It describes the anode materials used in these...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004114
EISBN: 978-1-62708-184-9
... the size and the location of the anode bed for effective current output for the desired life of the anode bed. The article concludes with a discussion on commissioning and monitoring of cathodic protection systems. cathodic protection corrosion mathematical models casing-to-anode separation...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003697
EISBN: 978-1-62708-182-5
... oxidation reaction in a galvanic cell is concentrated at the anode, which suppresses corrosion of the cathode in the same cell. Figure 1 shows a simple cathodic protection system. The steel pipeline is cathodically protected by its connection to a sacrificial magnesium anode buried in the same soil...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003428
EISBN: 978-1-62708-195-5
... discusses the design considerations for sealant joint. The article describes the common methods to seal aircraft structures: fay surface, fillet, butt joint, channel, brush, and form-in-place seals. It discusses the surface preparation and application method of primer and topcoat systems. The article...
Book Chapter

By Jude Mary Runge
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006523
EISBN: 978-1-62708-207-5
... oxide and the erect nature of each column. These adsorbed anions also provide individual reaction sites for the growing finish, sustaining the ion exchange system known as the ion pump, which maintains the continuity of the electrochemical circuit and therefore polarization, which enables the erect...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001281
EISBN: 978-1-62708-170-2
... systems. Anodic films produced in sulfuric acid baths are colorless and offer a base for subsequent clear finishing systems. Aluminum-base materials that are painted for service in severe corrosive environments are anodized before being painted. A fully sealed anodize may result in interior adhesion...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003672
EISBN: 978-1-62708-182-5
... materials and design of systems to protect the materials in their service environment. The following articles discuss traditional and emerging techniques used to improve corrosion resistance. ...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003832
EISBN: 978-1-62708-183-2
... paint systems that can offer longer service life and are suitable as a maintenance upgrade for existing structures. In addition, thermal spray coatings can provide protection to smaller engineering components, such as tanks, pumps, impellers, ship equipment, architectural products, and many other items...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004118
EISBN: 978-1-62708-184-9
...) than the surrounding earth. This can be accomplished by various methods, but for pipe-type cable all systems must have one thing in common. They must be capable of safely conducting high alternating current (ac) fault currents to ground. Such faults occur when the conductor comes in electrical contact...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006027
EISBN: 978-1-62708-172-6
...-applied linings. A steel or other metal surface is thoroughly cleaned, usually by solvent cleaning and abrasive blast cleaning. An adhesive system, designed to adhere the rubber to the metal, then is applied. The adhesive may be a single or multicoat system. Next, the rubber sheet is cut to fit and...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004164
EISBN: 978-1-62708-184-9
... protection in the hot months and freeze-up protection in the colder months. Over the next decades, ethylene glycol coolants saw many advances in inhibitor technologies. Glycol coolants continued to provide better and longer-lasting protection to the cooling system. United States automakers, Ford Motor...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004163
EISBN: 978-1-62708-184-9
... Abstract Steel automotive exhaust systems suffer from various forms of corrosion. This article illustrates exhaust system components with typical upper metal skin temperatures and alloys of construction. It discusses high-temperature corrosion of automotive exhaust systems, including oxidation...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003701
EISBN: 978-1-62708-182-5
... water systems. corrosion preboiler corrosion protection cooling water cooling system open recirculating systems closed recirculating systems water-recirculating systems pH suspended solids dissolved salts scale deposition anodic inhibitors cathodic inhibitors pretreatment internal...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003805
EISBN: 978-1-62708-183-2
... when it is combined with a differential aeration cell, in which the anaerobic zone works as a local anode. Steel structures buried in the ground, such as pipelines, provide a better electrical conductor than the soil for stray return currents from electric rail systems, electrical grounding equipment...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003584
EISBN: 978-1-62708-182-5
... intermediate species in the reaction. The Butler-Volmer equation is valid for systems under pure charge transfer control; the mass transport is much faster than the charge transfer and ensures the constant supply of reactants at the interface. This is not the case for fast charge- transfer reactions...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003601
EISBN: 978-1-62708-182-5
... battery systems. The article illustrates the constructive roles played by corrosion at anodes in batteries through the use of a zinc anode in a mercury battery and a lithium metal anode in a rechargeable lithium battery. It also outlines the destructive role played by corrosion by illustrating shelf...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004125
EISBN: 978-1-62708-184-9
... finishing systems for aircrafts: the surface pretreatment system, primer, topcoat, advanced-performance topcoat, self-priming topcoat, and specialty coatings. It presents safe compliant solutions to environmental problems associated with the protective coatings technology. These solutions include the use of...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003595
EISBN: 978-1-62708-182-5
... Electropolishing is an electrochemical process that involves anodic dissolution of a metal specimen (anode electrode) in an electrolytic cell. This article reviews the two-electrode and three-electrode systems for electropolishing. It presents the equations of anodic reactions and the selection criteria of...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001247
EISBN: 978-1-62708-170-2
... Abstract Electrodeposits of cadmium are used to protect steel and cast iron against corrosion. This article provides an overview of the surface preparation of, and brighteners used in, cyanide baths. It focuses on the anode system, current density, deposition rates, and bath temperature of...