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inorganic zinc-rich coatings

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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
... of corrosion are described in more detail in Corrosion , Volume 13 of the ASM Handbook. However, as a brief introduction, the electrochemical nature of corrosion can be illustrated by the attack on zinc by hydrochloric acid. When zinc is placed in dilute hydrochloric acid, a vigorous reaction occurs...
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
..., and the application of preventive measures. The fundamentals of corrosion are described in more detail in Ref 2 . However, as a brief introduction, the electrochemical nature of corrosion can be illustrated by the attack on zinc by hydrochloric acid (HCl). When zinc is placed in dilute hydrochloric acid, a vigorous...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001702
EISBN: 978-1-62708-219-8
... in) thick (equivalent to about 0.8 mm ( 1 32 in) loss of metal); steel rocker assemblies badly rusted. September 1969 - first repairs; damaged concrete removed, steel rebar sandblasted; some rebar primed with epoxy; other rebar coated with inorganic zinc coating; patch constructed; patch...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... wrap coating on a buried pipeline in wet, anaerobic, high-clay soil features soft, black corrosion products rich in iron sulfide, FeS, and iron carbonate, FeCO 3 , overlying severe pitting. Fig. 4 Overlapping pits associated with corrosion by sulfate-reducing bacteria under iron sulfide/iron...
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
... for the development of season-cracks” ( Ref 3 ), and, in the case of cartridge brass, it was determined that this agency was an environment that contained ammonia. It was concluded that season cracking was the result of the chemical composition of the metal, specifically the amount of zinc in the brass alloy...
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
... container, but becomes cathodic when the can is opened and exposed to air. Zinc is an active metal. It is susceptible to galvanic corrosion and is widely used for galvanic anodes, in cathodic protection as a sacrificial coating (for example, galvanizing or electroplating), and as a pigment in certain types...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001769
EISBN: 978-1-62708-241-9
... total reflectance) technique. The sample was directly placed in the zinc selenide crystal and the spectrum was recorded in the transmittance mode. Scanning Electron Microscope (SEM) Studies Stainless steel coupons of size 1 × 2 cm were mechanically polished to mirror finish and immersed in 10...
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
... container but becomes cathodic when the can is opened and exposed to air. Zinc is an active metal. It is susceptible to galvanic corrosion and is widely used for galvanic anodes, in cathodic protection as a sacrificial coating (for example, galvanizing or electroplating), and as a pigment in certain types...
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
..., although not necessarily improper, result in similar carbide precipitation. The path of SCC in some metals is not governed completely by composition and structure of the metal but is also influenced by the environment. For example, the path of cracking in copper-zinc alloys can be made transgranular...
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
... corrosion products, and deposits or coatings). Testing under simulated service conditions Finally, the investigation concludes with a synthesis and interpretation of results. This step may actually require reiteration of previous steps or the introduction of new steps. Similar to design, failure...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... oxidation rate versus temperature. LTHC, low-temperature hot corrosion; HTHC, high-temperature hot corrosion. Courtesy of U.S. Navy Fig. 26 Schematic of cross section of a thermal barrier coating (TBC). Calcium-magnesium-alumino-silicate (CMAS) deposits on the TBC surface, which upon melting...