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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003698
EISBN: 978-1-62708-182-5
... Abstract This article discusses the definitions, classifications, structural features, vapor pressure values, corrosion inhibition mechanisms, and methods of evaluation of vapor-phase-corrosion inhibitors or volatile corrosion inhibitors (VCIs). Practical methods of using VCIs for corrosion...
Abstract
This article discusses the definitions, classifications, structural features, vapor pressure values, corrosion inhibition mechanisms, and methods of evaluation of vapor-phase-corrosion inhibitors or volatile corrosion inhibitors (VCIs). Practical methods of using VCIs for corrosion protection of aluminum, ferrous, and nonferrous alloys are discussed with specific examples. The article contains tables that summarize the applications of different VCIs used for protecting ferrous metals, copper and its alloys, and silver.
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003699
EISBN: 978-1-62708-182-5
... Abstract The inhibitors currently in use are generally complex mixtures of reaction products and have been formulated to meet the demands of a very competitive industry. This article discusses these demands on inhibitor formulation. The varying characteristics and number of organic inhibitors...
Abstract
The inhibitors currently in use are generally complex mixtures of reaction products and have been formulated to meet the demands of a very competitive industry. This article discusses these demands on inhibitor formulation. The varying characteristics and number of organic inhibitors are explained by the varying characteristics of oil wells and gas wells. Water injection systems and pipelines are also discussed. The article describes the factors that influence the corrosivity of produced fluids and the various treatments applicable for oil, gas, and pumping wells. It examines the primary causes of corrosion inhibition in waterfloods: oxygen contamination and acid gases dissolved in the brine. A discussion on the bacteria-induced corrosion is provided. The article also explains various tests available for field corrosion monitoring. It details the methods used to monitor corrosion rates and inhibitor effectiveness. The article concludes information on the computerization of inhibitor treating programs.
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003700
EISBN: 978-1-62708-182-5
... Abstract This article provides useful information on the occurrence of corrosion in crude oil refinery units, namely, crude unit, catalytic and thermal cracking units, hydroprocessing units, amine sweetening units, and sour water units. Types and applications of corrosion inhibitors, namely...
Abstract
This article provides useful information on the occurrence of corrosion in crude oil refinery units, namely, crude unit, catalytic and thermal cracking units, hydroprocessing units, amine sweetening units, and sour water units. Types and applications of corrosion inhibitors, namely, neutralizers, filming inhibitors, scavengers, microbiocides, and anti-foulants and scale inhibitors, are reviewed. The article describes the direct and indirect corrosion monitoring methods used to reduce equipment damage due to corrosion events and to assess the reliability and useful service life of process equipment.
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
... processes which occur in water-recirculating systems and the effect of dissolved gases, temperature, pH, suspended solids, dissolved salts, and scale deposition on corrosivity of water, are also reviewed. The article also considers anodic and cathodic inhibitors and the control of corrosion in municipal...
Abstract
The corrosion process that occurs in industrial systems is often difficult to discern until extensive deterioration has occurred. For boilers to function properly, the incoming water must be processed to meet the water quality required for the boiler. This article discusses pretreatment methods of the incoming water and preboiler corrosion protection methods. It analyzes internal treatment and condensate treatment of boilers. The article discusses three types of cooling systems: once-through systems, open recirculating systems, and closed recirculating systems. The corrosion processes which occur in water-recirculating systems and the effect of dissolved gases, temperature, pH, suspended solids, dissolved salts, and scale deposition on corrosivity of water, are also reviewed. The article also considers anodic and cathodic inhibitors and the control of corrosion in municipal water systems.
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Published: 01 January 1996
Fig. 79 Effect of inhibitors on crack growth rate for 300M steel. Source: Ref 156
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Published: 01 January 2003
Fig. 5 Effect of various inhibitors on the corrosion rate of carbon steel in aerated water at 25 °C (77 °F). (a) HPO 4 2− ions. (b) SiO 3 2− ions. (c) CrO 4 2− ions. Line generated from electrochemical model and test data (squares) are given.
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Published: 31 August 2017
Fig. 32 Effect of various environments and corrosion inhibitors listed in Table 15 on the corrosion fatigue properties of gray iron. Courtesy of American Foundry Society. Source: Ref 3 , 52
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Published: 01 January 2002
Fig. 31 Corrosion of type 304 steel in inhibited boiling 10% (H 2 SO 4 ). Inhibitor: 0.47 g Fe 3+ /L of solution added as Fe 2 (SO 4 ) 3 . Source: Ref 30
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Published: 01 January 2006
Fig. 17 Four types of batch inhibitor treating techniques. (a) Standard batch. (b) Annular slug. (c) Extended batch. (d) Tubing displacement
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Published: 01 January 2006
Fig. 14 Corrosion rate during inhibitor injection on/off cycle in a sour gas pipeline. Note: Measured corrosion rate with default B value and measured B value from harmonic distortion analysis. Source: Ref 60
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Published: 15 January 2021
Fig. 31 Corrosion of type 304 steel in inhibited boiling 10% (H 2 SO 4 ). Inhibitor: 0.47 g Fe 3+ /L of solution added as Fe 2 (SO 4 ) 3 . Source: Ref 30
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Published: 15 January 2021
Fig. 8 Increase in corrosion rate for steel treated with a corrosion inhibitor in carbon-dioxide-saturated 3% saline solution with addition of acetate. Source: Ref 52 . Reprinted with permission from NACE International
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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006405
EISBN: 978-1-62708-192-4
.... The chemically active additives include dispersants, detergents, antiwear, and extreme-pressure agents, oxidation inhibitors, and rust and corrosion inhibitors. The chemically inert additives include emulsifiers, demulsifiers, pour-point depressants, foam inhibitors, and viscosity improvers. The article also...
Abstract
This article focuses on lubricants classified as either internal combustion engine or nonengine lubricants, and the lubricant additives. The functional groups of chemically active and inert additives, as well as friction modifiers and other additives, are described in detail. The chemically active additives include dispersants, detergents, antiwear, and extreme-pressure agents, oxidation inhibitors, and rust and corrosion inhibitors. The chemically inert additives include emulsifiers, demulsifiers, pour-point depressants, foam inhibitors, and viscosity improvers. The article also discusses the multifunctional nature of additives and concludes with information on lubricant formulation.
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006411
EISBN: 978-1-62708-192-4
.... It reviews the functions of additives, such as friction modifiers, antiwear additives, viscosity modifiers, corrosion inhibitors, oxidation inhibitors, dispersants, and detergents. The article discusses the physical properties of liquid lubricants and the performance characteristics of lubricants...
Abstract
The function of lubricants is to control friction and wear in a lubricating system containing machine elements such as gears and bearings. This article discusses the basic properties of lubricants to help scientists and engineers understand the principles behind lubricant selection. It reviews the functions of additives, such as friction modifiers, antiwear additives, viscosity modifiers, corrosion inhibitors, oxidation inhibitors, dispersants, and detergents. The article discusses the physical properties of liquid lubricants and the performance characteristics of lubricants. It describes the most common lubricant categories and provides information on the health and safety aspects of using liquid lubricants. The article concludes with a discussion on the lubricant-application method that plays a vital role in how the lubricant functions.
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... the degradation of various protective systems, such as corrosion inhibitors and lubricants. The article describes the failure analysis of steel, iron, copper, aluminum, and their alloys. It also discusses the probes available to monitor conditions relevant to MIC in industrial systems and the sampling...
Abstract
This article focuses on the mechanisms of microbially induced or influenced corrosion (MIC) of metallic materials as an introduction to the recognition, management, and prevention of microbiological corrosion failures in piping, tanks, heat exchangers, and cooling towers. It discusses the degradation of various protective systems, such as corrosion inhibitors and lubricants. The article describes the failure analysis of steel, iron, copper, aluminum, and their alloys. It also discusses the probes available to monitor conditions relevant to MIC in industrial systems and the sampling and analysis of conditions usually achieved by the installation of removable coupons in the target system. The article also explains the prevention and control strategies of MIC in industrial systems.
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... in the environment; change in the alloy or heat treatment; change in design; use of galvanic protection; use of inhibitors; use of nonmetallic coatings and liners; application of metallic coatings; use of surface treatments, thermal spray, or other surface modifications; corrosion monitoring; and preventive...
Abstract
This article provides an overview of the electrochemical nature of corrosion and analyzes corrosion-related failures. It describes corrosion failure analysis and discusses corrective and preventive approaches to mitigate corrosion-related failures of metals. These include: change in the environment; change in the alloy or heat treatment; change in design; use of galvanic protection; use of inhibitors; use of nonmetallic coatings and liners; application of metallic coatings; use of surface treatments, thermal spray, or other surface modifications; corrosion monitoring; and preventive maintenance.
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004101
EISBN: 978-1-62708-184-9
... the pipe surface physically such that water and dissolved oxygen cannot reach the metal surface and the second is to add chemical inhibitors to alter water chemistry. copper corrosion oxidation reaction potable water distribution systems reduction reaction chemical inhibitors building systems...
Abstract
This article focuses on the internal corrosion of iron and copper in potable water. It tabulates the corrosion and water-quality problems caused by materials in contact with drinking water. The article provides a theoretical description of the reduction-oxidation reactions in water to analyze the causes of corrosion of metals in contact with water. It discusses the Langelier saturation index and the Larson index for determining corrosion in potable water systems. The article describes the two major ways of mitigation against corrosion in potable water systems. The first is to line the pipe surface physically such that water and dissolved oxygen cannot reach the metal surface and the second is to add chemical inhibitors to alter water chemistry.
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
... components and inhibitors used for corrosion prevention. It reviews the coolant performance tests recommended by ASTM, SAE, and vehicle manufacturers. The article concludes with a description on the difference between light-duty automotive and heavy-duty diesel engine coolants. cavitation corrosion...
Abstract
Advances in vehicle design and technology require engine coolant technology to minimize the degradation of nonmetals and prevent the corrosion of the metals in the cooling system. This article provides a detailed discussion on the functions, operation, materials, and major components of the cooling system. It discusses various forms of corrosion that occur in cooling systems, including uniform corrosion, galvanic corrosion, crevice corrosion, pitting corrosion, intergranular corrosion, erosion corrosion, and cavitation corrosion. The article presents information on engine coolant base components and inhibitors used for corrosion prevention. It reviews the coolant performance tests recommended by ASTM, SAE, and vehicle manufacturers. The article concludes with a description on the difference between light-duty automotive and heavy-duty diesel engine coolants.
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