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vapor phase corrosion inhibitor

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
.... A corrosion inhibitor is a substance that, when added in small amounts to a corrosive, reduces its corrosivity. Corrosion inhibitors function by interfering with either the anodic or cathodic reactions, or both. Many of these inhibitors are organic compounds; they function by forming an impervious film...
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
...: 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...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
.... Gräfen H. , Horn E.-M. , Schlecker H. , and Schindler H. , Corrosion , Ullmann’s Encyclopedia of Industrial Chemistry , Wiley-VCH , Weinheim , 2002 , 10.1002/14356007.b01_08 50. Tang Z. , A Review of Corrosion Inhibitors for Rust Preventative Fluids , Curr. Opin...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001832
EISBN: 978-1-62708-241-9
.... The longitudinal seam weld along which this pitting occurred is at the side of the pipe as installed in the field, indicating exposure only to the vapor of the exhaust. This is in contrast to the corrosion on the bottom of the pipe, which is probably associated with accumulated condensate. Fig. 8 Optical...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001791
EISBN: 978-1-62708-241-9
... to high temperatures. The combined effect of pitting, incrustations, and phase transformations caused the pipe to rupture. boiler tube fracture corrosion pits salt incrustation carbon steel thermal fatigue striations dimples microstructural analysis plastic strain A192 (carbon steel) UNS...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... of corrosion inhibitors is effective in some cases. Elimination of cathodic depolarizers (deaeration of water by thermomechanical means plus oxygen scavengers such as sodium sulfite or hydrazine) is very effective in some aqueous systems. Metallic Coatings Two types of metallic coatings are used...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
..., battery, or solar cell. Conversely, stray currents can be a source of increased galvanic degradation. Altering the Electrolyte The use of corrosion inhibitors is effective in some cases. Elimination of cathodic depolarizers (deaeration of water by thermomechanical means plus oxygen scavengers...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001103
EISBN: 978-1-62708-214-3
... that does not contain an aluminum-rich beta phase may prove satisfactory in this application. Apart from changing the bolt material, the second metallurgical issue is to deal directly with the stress and corrosion environment of the tap bolt. Although it has been argued that failure occurred because...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... a suitably buffered or inhibited solution can be used to retard corrosion. Another method is to keep the heat exchanger dry and, if necessary, fill it with an inert gas. Desiccants or vapor-phase corrosion inhibitors can also be added, and the heat exchanger can then be sealed until start-up. After start...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... are anodic to the main body of the metal and therefore less resistant to corrosion because of precipitated phases, depletion, enrichment, or adsorption. In wrought high-strength heat treatable aluminum alloys, paths of stress-corrosion cracks are always intergranular, because the thermal treatments...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
...Abstract Abstract Stress-corrosion cracking (SCC) is a form of corrosion and produces wastage in that the stress-corrosion cracks penetrate the cross-sectional thickness of a component over time and deteriorate its mechanical strength. Although there are factors common among the different forms...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... of steels and some other high-strength alloys. On the other hand, corrosion inhibitors lower the corrosion rate and thus the amount of hydrogen charged into the metal. Most high-strength steels are susceptible to hydrogen embrittlement when they are stressed and exposed to fresh or sea water and even...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... at the surface and does not degrade tensile properties. Corrosion of uranium in water or water vapor reduces tensile ductility. Uranium is embrittled in water over the pH range of 5 to 10. Analysis of Hydrogen Embrittlement in Commodity-Grade Steels Hydrogen embrittlement refers to the degradation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... (first alumina, then magnesia), improvements in performance (in particular, corrosion resistance) became possible. The use of phase diagrams was then recognized as a very good research tool to accelerate such improvements. Phase diagrams are used to design refractories and to understand the role...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
... analyst to determine the cause and suggest corrective action. The causes of failures include tube rupture, corrosion or scaling, fatigue, erosion, and stress-corrosion cracking. The article also describes the procedures for conducting a failure analysis. boilers corrosion embrittlement erosion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... of these features, crack progress can be traced back to the point of origin, and then it can be ascertained whether the crack was initiated by an inclusion, a porous region, a segregated phase, a corrosion pit, a machined notch, a forging lap, a nick, a mar, or another type of discontinuity, or was simply...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... FAILURES may be divided into two classes: those rejected after inspection and mechanical testing, and failures in service that may arise from fracture, wear, corrosion, or deformation (distortion). Causes for rejection during inspection may be either features visible on the weldment surface or subsurface...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... the characteristics of fatigue fractures followed by a discussion on the effects of loading and stress distribution, and material condition on the microstructure of the material. In addition, general prevention and characteristics of corrosion fatigue, contact fatigue, and thermal fatigue are also presented...