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aluminum foil

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Published: 15 January 2021
Fig. 9 Three different energy-dispersive spectrometer (EDS) spectra obtained from the indicated regions of a copper sample surrounded by aluminum foil. Note the annotated peak labels. More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... of metals composition in failure analysis work. If the milling to obtain chips for analysis is done in a machine shop where other machining is done, it may be necessary to set up a protective “tent” (for example, out of aluminum foil) around the chips being collected, to prevent contamination by airborne...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001589
EISBN: 978-1-62708-235-8
... was washed out during the sample preparation. In order to pin down the source of the defect, the defect side of the HPEN deposit foil was separated by first stripping nickel from the opposite side of the disk substrate in 50% by volume HNO 3 . The exposed aluminum alloy substrate was then dissolved...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001298
EISBN: 978-1-62708-215-0
... Abstract A helicopter tail rotor blade spar failed in fatigue, allowing the outer section of the blade to separate in flight. The 7075-T7351 aluminum alloy blade had fiberglass pockets. The blade spar was a hollow “D” shape, and corrosion pits were present on the inner surface of the hollow...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006770
EISBN: 978-1-62708-295-2
... the surface of the sample. Fig. 9 Three different energy-dispersive spectrometer (EDS) spectra obtained from the indicated regions of a copper sample surrounded by aluminum foil. Note the annotated peak labels. In cases where the sample surface is rough and cannot be disturbed, yet chemical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001681
EISBN: 978-1-62708-234-1
..., probably Al 2 O 3 . Fig. 14 shows another cluster which gave similar analyses (area A). The large particle in Fig. 14 was rich in Al, Si and O, and probably was an aluminum silicate. Fig. 12 TEM micrographs of carbon extraction replica, showing a cluster of particles. Fig. 13 TEM...
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
... and even low-vapor-pressure oils and greases can also be evaluated. A small drop or thin layer of the liquid or oil of interest can be placed on a clean substrate (silicon wafer, aluminum foil, etc.) and allowed to dry in air prior to its analysis. Some instruments are now equipped with stages that can...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003534
EISBN: 978-1-62708-180-1
... at. A minute drop or thin layer of the liquid or oil of interest can be placed on a clean substrate (silicon wafer, aluminum foil, etc.) and allowed to dry in air prior to its analysis. One consideration, however, is the electrical property of the sample—is it conducting or insulating? In general, AES...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0048840
EISBN: 978-1-62708-220-4
.... Chemical analyses were performed on the plates, which were found to be within specifications for this variety of carbon-manganese steel. Analyses for arsenic, molybdenum, nickel, copper, and chromium indicated no abnormality. The steel was not required to be fine grained; in addition, the soluble aluminum...
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...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001489
EISBN: 978-1-62708-217-4
... — — — — 18.9 16.5 1.0 1.2 — — — 1.5 Fe balance The chemical compositions of the inclusions observed on the polished surfaces of specimens A and B are given in Tables 2 and 3 , respectively. Almost all the inclusions in rings A and B were rich in chromium and aluminum; the concentration...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006943
EISBN: 978-1-62708-395-9
... sample size can cause the elliptical cracks to enlarge laterally and create unusually shaped crack fronts during slow crack growth. The elliptical crack fronts shown in Fig. 14(b) are unique in the fracture of polymers and perhaps some soft aluminum alloys. Note that in such cases, SIF solutions can...
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
... Hastelloy X nickel-base superalloy 1205 2200 1 HX (17Cr-66Ni-bal Fe) 1150 2100 1 (a) Seamless tube. (b) Electric resistance welded tube Iron oxides alone are not protective above 550 °C (1020 °F) ( Ref 5 ). Chromium, aluminum, and/or silicon assist in forming scales, which...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
... of a metal-matrix composite (MMC) containing unidirectionally aligned alumina fibers in the matrix of an aluminum alloy. Figures 2(b) and 2(c) show a fracture profile from the tensile fracture surface of a low-alloy steel specimen. These fracture surfaces were electroplated with copper. As illustrated...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... carefully, and obscure the microstructural details at the edge, or, worse yet, drip onto the objective (in an inverted microscope), causing loss of image clarity or even damage. Figure 5 shows a large shrinkage gap between a phenolic mount and a piece of 6061-T6 aluminum etched with dilute aqueous...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
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
.... The shape of indentations can also allow the nature of an impacting part to be determined. In some cases, there may be deposits of the impacting material, including coating, left on the surface of the impact area. Examples include aluminum present on the surface of a steel component that has been impacted...
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
... coating, left on the surface of the impact area. Examples include aluminum present on the surface of a steel component that has been impacted by an aluminum component or the presence of paint on a scraped or indented part. Figure 4 shows a bolt from a diesel engine connecting rod that had stretched...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... on initial sheet thickness: Film/foil: extruded sheet thickness <0.25 mm (0.01 in.) Thin gage: extruded sheet thickness <1.5 mm (0.06 in.) Heavy gage: extruded sheet thickness >3 mm (0.12 in.) Plate: extruded sheet thickness >12.5 mm (0.5 in.) Sheets with a thickness...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
... observed the embrittlement of α-brass by mercury ( Ref 19 ). Since then, LME has been identified in numerous failure analyses that include some notable cases: damage to aircraft by liquid-gallium embrittlement of aluminum and the embrittlement of stainless steel piping by molten zinc. References 13...