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filming inhibitors

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030209
EISBN: 978-1-62708-282-2
... water treatment processes within a refinery, such as in cooling water and steam generation systems. Table 1 Typical applications for refinery corrosion inhibitors Unit Process stream Filming inhibitor Neutralizer Crude distillation Crude tower overhead X X Vacuum tower overhead...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... finished coating. Various types of inhibitors commonly used include the following: Anodic Cathodic Ohmic Precipitation Vapor phase The protection afforded by these inhibitor types can result from several different mechanisms: the presence of adsorbed films, the formation of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... inhibitors oil and gas production oil wells gas wells water injection systems oil and gas pipelines bacteria-induced corrosion CORROSION INHIBITORS historically used in the oil field can be grouped into several common types or mechanistic classes: passivating, vapor phase, cathodic, anodic, film...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030033
EISBN: 978-1-62708-282-2
... inhibitors. It also provides information on various stages of pitting: passive film breakdown, metastable pitting, pit growth, and pit stifling or death. pitting corrosion passive film breakdown metastable pitting pit growth pit stifling MANY ENGINEERING ALLOYS, such as stainless steels and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030165
EISBN: 978-1-62708-282-2
... it becomes the cathode (cathodic protection). This chapter briefly reviews these methods of corrosion protection. The factors affecting corrosion behavior are covered. In addition, the chapter provides information on coatings and inhibitors, which are used in corrosion protection. corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... encountered in applications involving oil and gas exploration and production. This is followed by a section reviewing the methods of corrosion control, namely the proper selection of materials, protective coatings, cathodic protection systems, use of inhibitors, use of nonmetallic materials, and control of...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060369
EISBN: 978-1-62708-261-7
... composition of the stainless steel is exposed to air, the passive film forms immediately. ASTM A967 and A380 may be referenced for guidance on the passivation process for stainless steels. A corrosion inhibitor is a substance that, when added in small amounts to a corrosive medium, reduces its...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030039
EISBN: 978-1-62708-282-2
..., use of inhibitors, and potential control methods. crevice corrosion stainless steel nickel alloys aluminum alloys titanium alloys corrosion control methods corrosion inhibitors corrosion resistance CREVICE CORROSION, corrosion in occluded regions, is one of the most damaging forms of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940127
EISBN: 978-1-62708-302-7
... current densities, polarization characteristics, and physical variables such as anode-to-cathode area ratios and fluid velocity. It also discusses the effect of corrosion inhibitors, galvanic coupling, and external currents, making extensive use of polarization curves. chemical kinetics corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910001
EISBN: 978-1-62708-250-1
... process. Still others promote the formation of protective films on the metal surface. The use of inhibitors is favored in closed systems where the necessary concentration of inhibitor is more readily maintained. The increased use of cooling towers stimulated the development of new inhibitor/ water...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120123
EISBN: 978-1-62708-269-3
..., and the presence of fluoride ions diminish the protective nature of the oxide film, but its stability and integrity can be improved substantially by adding inhibitors to the environment. If titanium is exposed to strongly oxidizing or reducing environments, severe attack of the metal can ensue...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480331
EISBN: 978-1-62708-318-8
... Abstract This chapter discusses the corrosion behavior of titanium, the types of corrosion that can occur, and the effect of alloying on corrosion resistance. It explains that, due to its tenacious oxide film, titanium has excellent corrosion resistance in oxidizing environments and that the...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940271
EISBN: 978-1-62708-302-7
...-rolled products where an otherwise protective black oxide has been removed, allowing the exposed area to become anodic with corrosion supported by the cathodic oxide-coated surface Partial loss of passive films by insufficient inhibitor concentration in near-neutral environments Partial loss of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... low-volume, medium-sized and larger parts. It also discusses filament winding and preforming processes (including weaving, knitting, stitching, and braiding) in addition to resin-transfer molding, resin film infusion, and pultrusion. continuous-fiber composites filament winding liquid molding...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240323
EISBN: 978-1-62708-251-8
... corrosion products that become somewhat protective of the iron anode. Conversely, cathodic polarization can result from reactions at the cathode. For example, when iron is immersed in nonaerated neutral water, the absence of dissolved oxygen allows the development of an adsorbed film of hydrogen that...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610501
EISBN: 978-1-62708-303-4
.... Conversely, cathodic polarization can result from reactions at the cathode. For example, when iron is immersed in nonaerated neutral water, the absence of dissolved oxygen allows the development of an adsorbed film of hydrogen that quickly covers the surface: (Eq 6) Fe + 2 H + → Fe...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030349
EISBN: 978-1-62708-282-2
... process diffusion controlled Aerated environments (e.g., fresh water, seawater, or brine) 120 ∞ 50–80 Anodic process activation controlled; cathodic process diffusion controlled (anodic slope different) Mixed multiphase (oil/water) conditions; inhibitor or organic films on metal surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... customers and vendors that the ordered material meets its specifications and can be put into place. Another good practice is to include a corrosion-monitoring program to follow the effectiveness of the overall corrosion-control program. If, for example, inhibitors are used to protect against corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
... high temperatures Carbon (decarburization) Iron-chromium alloys High-temperature oxidizing atmospheres Chromium, which forms a protective film Nickel-molybdenum alloys Oxygen at high temperature Molybdenum The term hydrogen damage has been used to...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... Oxidation, scales Heat-transfer effects Molten deposits Condensation and dewpoint Control Surface cleaning and preparation Coatings Cathodic protection Inhibitors Inspection Planned maintenance Source: Ref 1 Aluminum products sometimes are coated on one or...