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flow-accelerated corrosion

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
..., including general corrosion, under-deposit corrosion, microbially induced corrosion, flow-accelerated corrosion, stress-assisted corrosion, erosion-corrosion, cavitation, oxygen pitting, stress-corrosion cracking, and caustic embrittlement. The discussion is supported by several illustrations and relevant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430376
EISBN: 978-1-62708-253-2
... Dooley R.B. , Flow Accelerated Corrosion in Fossil and Combined Cycle/HRSG Plants , Power Plant Chemistry , Vol 10 ( No. 2 ), 2008 , p 68 – 89 6.21 Lai G.Y. , High Temperature Corrosion and Materials Applications , ASM International , 2007 , p 235 6.22 Fan, J...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.9781627082532
EISBN: 978-1-62708-253-2
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310027
EISBN: 978-1-62708-286-0
... of a corrosive fluid does not automatically accelerate corrosion. The reduction of concentration gradients can be beneficial against localized corrosion, and flow can bring to the surface an increased supply of passivating species. Increased flow rate in a fluid medium is deleterious if it induces mechanical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030023
EISBN: 978-1-62708-282-2
..., such as a buried metal pipe, some other metal structure, or an electrolyte with low resistance such as salt water. The current then flows to and from that structure and causes accelerated corrosion whenever it leaves a metallic structure and flows into an electrolyte. For example, in a pipeline...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030019
EISBN: 978-1-62708-282-2
... resistant metal decreases, and the surface becomes cathodic. The driving force for corrosion or galvanic current flow is the potential developed between the dissimilar metals. The extent of corrosion resulting from galvanic coupling is affected by the following factors: The potential difference...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350011
EISBN: 978-1-62708-315-7
... , 3rd ed. , McGraw-Hill , 1986 • Uhlig H.H. and Revie R.W. , Corrosion and Corrosion Control , 3rd ed. , John Wiley & Sons , 1985 Electrochemical corrosion in metals in a natural environment, whether atmosphere, in water, or underground, is caused by a flow...
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
.... Fig. 1 Geometry of crevice corrosion. The average separation is the gap, g . Fig. 2 Crevice corrosion under seal in type 316 stainless steel sieve from steam condenser cooling water system exposed to flowing seawater for two years at less than 40 °C (104 °F). Source: Ref 3...
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
... hydrogen flow rates are high or where coatings on the titanium become damaged. Titanium that is intentionally alloyed with trace amounts of palladium or molybdenum and nickel also is used to provide corrosion resistant service. For example, the Ti-0.2Pd alloy and the Ti-0.3Mo-0.8Ni alloy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
... accelerated corrosion under conditions of elevated temperature and high flow-induced turbulence. Alternative stainless or nickel-base alloys may be preferred for some applications. High-nickel alloys with high levels of chromium and molybdenum, such as alloy 825 (N08825) and alloy 625 (N06625), are used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
... of protective films on the metal surface, or they can interact with detrimental species to reduce the corrosion tendency for the specific metal/environment combination. More detailed information regarding the use of inhibitors for corrosion control can be found in Chapter 9 . The influence of fluid flow...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
... metal decreases, and the surface becomes cathodic. The driving force for corrosion or current flow is the potential developed between the dissimilar metals. The extent of accelerated corrosion resulting from galvanic coupling is affected by the following factors: The potential difference between...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... forces; however, with the protective film absent, corrosion can occur at a greatly accelerated rate. Erosion-corrosion may play a role in CO 2 corrosion ( Ref 37 ), and sand, under mild flow conditions, may also cause erosion-corrosion. Design problems resulting in rapid changes in flow direction, neck...
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
... splatter is another source of crevice corrosion. Erosion-corrosion is the acceleration of corrosive attack due to the simultaneous action of corrosion and erosion. The erosion-corrosion of mild steel in flowing water is illustrated in Fig. 18.9 . The attack is more severe than if just corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260149
EISBN: 978-1-62708-336-2
... inclusions Metal flow at the end of extrusion Fig. 3 Circumscribing circle diameter (CCD). OD, outside diameter In the direct extrusion process, metal flows faster at the center than the periphery of the billet. Thus, the larger the CCD ( Fig. 3 ) is, the more control is needed to match...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
... the corrosion of those metals and alloys. This influence derives from the ability of the organisms to change the environmental variables such as pH, oxidizing power, velocity of flow, and concentration of chemical species at the metal surface. Thus, the value of a given parameter at the metal-water interface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870085
EISBN: 978-1-62708-299-0
... (wear, flow velocity, and/or fatigue) to produce severe attack, usually of a localized nature. Because removal of the protective aluminum oxide film by mechanical processes exposes fresh metal to attack, corrosion occurs at an accelerated rate. References 1. Gehring G.A. Jr...