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rust-preventive compound coatings

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001706
EISBN: 978-1-62708-217-4
.... The surfaces have been treated with well-adhering coats of manganese phosphate primer and aluminium based paint. It is believed that additional corrosion protection compounds CPC(s) had been applied in keeping with the Boeing standard corrosion prevention requirements. However, the presence of such compounds...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001058
EISBN: 978-1-62708-214-3
... of the submitted 32 mm ( 1 1 4 in.) plug showed no evidence of fatigue or of any preexisting crack or cavity ( Fig. 3 and 4 ). The portion of the plug that was freed from the system by the break showed no rust, whereas the exposed portion that remained in the pipe was covered with loose rust deposited...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001608
EISBN: 978-1-62708-236-5
... (a) A magnetite coating on hot rolled sheet, with fresh rust breaking through; (b) Hot rolled surface, about 60% covered with fresh rust; (c) Hot rolled steel, with all the original magnetite lost. Rust is beginning to darken where arrowed, to form hematite. When steel that has been exposed for weeks...
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
... → 2 Fe ( OH ) 3 The final product is the familiar rust . The classic example of a replacement reaction, the interaction of zinc with copper sulfate solution, illustrates metal deposition: (Eq 18) Zn + Cu 2 + → Zn 2 + + Cu or, viewed as partial reactions...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001385
EISBN: 978-1-62708-215-0
... of rusting. There was also what appeared to be dried mud in several locations on the breaker housing. In 1968, Underwriters Laboratories published standards for wiring terminals. These have evolved to the present standards: The homeowners noted flickering and dimming of lights occurring at random...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001486
EISBN: 978-1-62708-234-1
... in the examples, and may in certain circumstances, as shown in Figure 2 , result in disruption. In most cases the liner as a whole is relatively free from corrosion and rust deposits. The rate of development of the pits may reach 0.10 in. in 1,000 hours, whereas ordinary corrosion is only of the order of 0.002...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
.... The purpose of the tests was to determine the effects of the antiseizure compound in acidified 3.5% NaCl solution on bolts at two hardness levels. Two bolts, one with a hardness of 41 to 42 HRC and the other of 20 to 22 HRC, were coated with the antiseizure compound. Another bolt that had a hardness of 41...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... and uniformity of oxide coating. Etched with 2% nital. Original magnification: 1000× Fretting Fretting results from a very small movement of one highly loaded surface over another. The slight movement prevents the formation of, or destroys, any protective oxide film. Thus, continually clean surfaces...
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
... The final product is the familiar rust. The classic example of a replacement reaction, the interaction of zinc with copper sulfate solution, illustrates metal deposition: (Eq 18) Zn + Cu 2 + → Zn 2 + + Cu or, viewed as partial reactions: (Eq 19) Zn → Zn 2...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... prior to the later fracture, the surface of which is covered by a less adherent rust coating. As another example, when damage occurs by electrical discharge (for example, if a crane touches a power line or if welding has been done on a component on a vehicle while the electrical ground...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... was covered with dark scale; the airfoil surface and the underside of the shroud had thick scale ranging from dark-rust color to black, with a thinner layer on top of the dark layer. This thin layer was white in some areas. Pitting was evident, especially at the shroud fillet. There was erosion-corrosion...
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
....b01_08 50. Tang Z. , A Review of Corrosion Inhibitors for Rust Preventative Fluids , Curr. Opin. Solid State Mater. Sci. , Vol 23 , 2019 , p 100759 10.1016/j.cossms.2019.06.003 51. Albrimi Y.A. , Addi A.A. , Douch J. , Souto R.M. , and Hamdani M...
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
... in the environment and is carried away or produces a loosely adherent, porous coating now greater in thickness. Because of the porosity in the oxidation (rust), this metal is still considered active or able to continue degrading. Coating specialists have been able to formulate a phosphoric-acid-based compound...
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
...) (a) Corrosion is localized, moderate Striations in steel under tubercles, as for preferential acid dissolution of microstructure in rolling direction None stated Passive MIC Slimers (gelatinous mass with high microbial numbers) General corrosive attack under slime Pitting if SRB present Rusting may...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... destroyed. Fig. 2 Bolt that failed in fatigue. The smooth dark areas are from initial fatigue cracking, now coated with dark adherent oxide. This initial cracking took place some years prior to the later fracture, the surface of which is covered by a less adherent rust coating. As another...
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
... conditions (both steady state and transient). The magnitude of these stresses required for SCC to occur can be well below the yield strength, tensile strength, and fatigue strength of the metal. A specific environment, which may or may not produce a visible corrosion product (e.g., rust). Generally...
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-preventive coatings on a fracture specimen. When possible, it is best to dry the fracture specimen, preferably using a jet of dry, compressed air (which will also blow extraneous foreign material from the surface), and then to place it in a dessicator or pack it with a suitable dessicant. However...
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
... (oxide) either dissolves in the environment and is carried away or produces a loosely adherent, porous coating now greater in thickness. Because of the porosity in the oxidation (rust), this metal is still considered active or able to continue degrading. Coating specialists have been able to formulate...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
... damage are false Brinelling , which is applied particularly to bearings where the craters caused by the vibration of the ball against the race are circular and resemble Brinell impressions, and “fitting rust,” where gages or shims are clamped together and experience vibration. The terms fretting...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... of failure (consequently, the examination may be hindered by a sample that is too small). Discoloration or rusting on stainless steel may be a sign of iron contamination. Heavy deposits on a tube, such as scale or corrosion product, could be caused by overheating. Visual examination will indicate...