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Copper foil

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0045926
EISBN: 978-1-62708-235-8
...Abstract Abstract A batch of bimetal foil/epoxy laminates was rejected because of poor peel strength. The laminates were manufactured by sintering a nickel/phosphorus powder layer to a copper foil, cleaning, then chromate conversion coating the nickel-phosphorus surface, and laminating...
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
... into the grain boundaries and cause failure or does the molten copper flow into stress cracks after failure. In these tests, 19-mm ( 3 4 -in.) diam centerless-ground AISI 1045 carbon steel samples were left bare or wrapped with 0.13-mm (0.005-in.) thick copper foil and held in place with fine copper...
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
..., nickel, copper, and chromium indicated no abnormality. The steel was not required to be fine grained; in addition, the soluble aluminum content responsible for controlling grain size and reducing susceptibility to strain aging varied among the plates, but was very low for three of the plates (<0.005...
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
...) 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 information from the surface is desirable, the best course of action is to attempt to obtain...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... (0.0134 in.) in diameter. Notice that the hole has sharp edges and round, straight internal dimensions. The drill bit made chips of fiberglass and copper foil while cutting through the PCB. The glass fibers break by brittle fracture on impact with the cutting edge of the drill bit. Intense stress develops...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
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
... from a crashed helicopter, and LME of a steel gear by a copper alloy from an overheated bearing. The case histories illustrate how LME and SMIE failures can be diagnosed and distinguished from other failure modes, and shed light on the underlying causes of failure and how they might be prevented...
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
... thiocyanate/acetone Blue color Identify cobalt-base alloys Copper Dithizone Purple color Sort copper-bearing stainless steels Iron Potassium ferricyanide Blue precipitate Sort low-iron high-temperature alloys Lead Sulfuric acid White precipitate Sort leaded bronze Molybdenum Potassium...
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
...) light metallographs that are designed for the use of low-power macroscopic lenses. Figure 10 shows a copper tube with pitting that originated at the outside surface, which has been illuminated at low magnification on a metallograph with oblique lighting, together with illumination within the tube from...
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
... on the outside of a copper heat-exchanger tube Fig. 29 Silicon nitride (Si 3 N 4 ), plasma etched Fig. 30 Alumina (Al 2 O 3 ) thermally etched at 1500 °C (2700 °F) in air Fig. 1 Intersection of two cracks. Crack “B” has been arrested at crack “A,” which occurred first. Fig...
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
..., this type of saw is designed to make very precise cuts. They are smaller in size than the usual laboratory abrasive cutoff saw and use much smaller blades, typically from 7.6 to 20.3 cm (3 to 8 in.) in diameter. These blades can be of the nonconsumable type, made of copper-base alloys with diamond or cubic...
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
... sodium hydroxide, chlorides, nitrates, sulfates, and polythionic acids; and some copper alloys are sensitive to ammonia and nitrites. Stress-corrosion cracking failures produce thick-walled fractures that may be intergranular, transgranular, or both. Branching is often associated with SCC. Normally...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
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.a0003536
EISBN: 978-1-62708-180-1
... Fig. 10 Fracture surface overlaps. (a) Overlapped/reentrant segments in the fracture profile from the fracture surface of a copper specimen that failed in creep. Source: Ref 4 , 76 (b) A typical room temperature tensile fracture profile of copper does not show overlaps. Fig. 8 Profile...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... Throttling of valve by the operator outside of the design parameters Flow gages and records Operator logs Low-strength copper nickel alloy construction Material specifications Laboratory analysis Flow-induced cavitation Rumbling noise in system Vibration of system Failure mechanism Erosion...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... in a manufacturing plant cooling water system Table 1 Failure of a butterfly valve in a manufacturing plant cooling water system Item Description Indicators Cause Throttling of valve by the operator outside of the design parameters Flow gages and records Operator logs Low-strength copper-nickel...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4