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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0046388
EISBN: 978-1-62708-224-2
.... A maintenance lubrication program was not suggested, but galling could be reduced by periodic application of a solid lubricant. Bolts Galling Molybdenum disulfide Solid lubricants Wear resistance 4140 UNS G41400 Abrasive wear Heat treating-related failures Figure 1 shows a bolt...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001030
EISBN: 978-1-62708-214-3
...). Control of machining parameters to prevent formation of brittle martensite, use of galvanically compatible fasteners, and use of an alternate lubricant were recommended. Airframes, corrosion Fasteners Jet planes Marine environments Military planes Solid lubricants Ti-6Al-4V UNS R56406 Stress...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001054
EISBN: 978-1-62708-214-3
... Abstract Silver solid-state bonded components containing uranium failed under zero or low applied load several years after manufacture. The final operation in their manufacture was a proof loading that applied a sustained tensile stress to the bond, which all components passed. The components...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... Abstract Metal-induced embrittlement is a phenomenon in which the ductility or the fracture stress of a solid metal is reduced by surface contact with another metal in either the liquid or solid form. This article summarizes some of the characteristics of liquid-metal- and solid-metal-induced...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001692
EISBN: 978-1-62708-229-7
... established that the preloads used were below design values in some cases, and also that bolts had loosened while in service from wear and various other factors related to lubrication and surface coatings. The points shown as solid circles in Fig. 6 are for “no preload” with K f =4. As may be seen, one of...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001408
EISBN: 978-1-62708-220-4
... probably withstand the conditions, an alternative being a rod made from solid Monel-metal. Experience appears to have shown that unprotected carbon steel is unsatisfactory in contact with chlorine gas if the temperature exceeds 200°C, while nickel is moderately resistant, even in the presence of water...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
... Abstract Erosion is the progressive loss of original material from a solid surface due to mechanical interaction between that surface and a fluid, a multicomponent fluid, an impinging liquid, or impinging solid particles. The detrimental effects of erosion have caused problems in a number of...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
... damage of the worn products after the tribological process. Then, the article describes some examples of wear processes, considering possible transitions and/or interactions of the mechanism of fretting wear, rolling-sliding wear, abrasive wear, and solid-particle erosion wear. The role of tribological...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... Abstract Impact or percussive wear is defined as the wear of a solid surface that is due to percussion, which is a repetitive exposure to dynamic contact by another body. Impact wear, however, has many analogies to the field of erosive wear. The main difference is that, in impact wear...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006771
EISBN: 978-1-62708-295-2
... Abstract This article covers the three most popular techniques used to characterize the very outermost layers of solid surfaces: Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS), and time-of-flight secondary ion mass spectrometry (TOF-SIMS). Some of the more important...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001812
EISBN: 978-1-62708-241-9
... Abstract Several cases of embrittlement failure are analyzed, including liquid-metal embrittlement (LME) of an aluminum alloy pipe in a natural gas plant, solid metal-induced embrittlement (SMIE) of a brass valve in an aircraft engine oil cooler, LME of a cadmium-plated steel screw from a...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... adhesion; polishing contact surfaces, even after coating, is the most effective Having oxides on contact surfaces Implementing surface-engineering techniques Using solid lubricants Lubricating the contact and using higher-viscosity oils Using antiwear and extreme-pressure additives in the...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001831
EISBN: 978-1-62708-241-9
... oxidized under elevated temperatures during operation, which decreased the lubrication capacity of the grease. Meanwhile, part of the grease was hardened and then formed some solid particles between the rollers and the outer ring. Owing to the degradation of the grease, serious dry friction and slight...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001783
EISBN: 978-1-62708-241-9
... literature, wear is considered to be the erosion phenomena of materials from a solid surface due to interaction with another solid surface. Wear is common in all equipment, but can be costly if not taken into consideration. There are many types of wear; the two most common types of wear are adhesive and...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... characteristic reddish-brown debris of ferric oxide, which, when mixed with oil or grease, produces debris that is often referred to as “blood,” “cocoa,” or “red mud.” Hence, in components that are lubricated so that ordinary corrosion is not likely to occur, the presence of reddish-brown debris is indicative of...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... is received as solid (wire, rod, or powder), is melted, and then propelled onto the substrate to deposit a coating. Although thermal sprays are not commonly used in bearings currently, research has increased in recent years ( Ref 175 – 193 ). The reason thermal spray coatings are being pursued is...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... that white unknown solids found in a tank were ferric phosphate, which aided in an investigation, as shown in Fig. 9 . Raman spectroscopy may be a preferred method to use for analyzing inorganic materials because infrared methods may provide only limited information. The smaller spot size of the laser...
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
... selection wear test WEAR is defined as surface damage with gradual removal of material from solid surfaces by abrasives or a counterface in relative motion. Corrosion is the deterioration of a metal as a result of chemical reactions between it and the surrounding environment, involving metal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
... of spark OES, but a finer surface finish is required. The GD technique is preferred when a depth-profile analysis is necessary. Inductively coupled plasma optical emission spectrometry (ICP-OES) is a technique used to analyze the concentration of metallic elements in solid and liquid samples...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001760
EISBN: 978-1-62708-241-9
... after grinding, polishing, and etching the specimen surface in Keller’s reagent for 10 s. In Fig. 11 , it is seen that the microstructure of the cylinder head material consisted of a solid solution of aluminum-silicon (rich phase is made of aluminum) and a uniform distribution of a eutectic silicon...