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Copper wire

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0006897
EISBN: 978-1-62708-222-8
...Abstract Abstract The small cable (drop wire) providing service for individual subscribers from the aerial plant is held in place by a clamp made of a tin-coated brass body (attached to the cable) and a copper tail wire loop (attached to a galvanized steel hook or to a porcelain insulator...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001443
EISBN: 978-1-62708-235-8
...Abstract Abstract Following the fusing of one of the copper leads in the choke circuit of an electric welder, a piece of the affected lead was obtained for examination. The sample had large internal cavities and surface bulges. It is remarkable that a wire containing defects of the magnitude...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048134
EISBN: 978-1-62708-235-8
...Abstract Abstract A copper alloy C51000 (phosphor bronze, 5%A) failed prematurely during life testing of several such springs. The wire used for the springs was 0.46 mm (0.018 in.) in diam and was in the spring-temper condition. The springs were revealed to be subjected to cyclic loading...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0047392
EISBN: 978-1-62708-221-1
... and gas metal arc welding; neither preheating nor postheating was specified. The filler metal was E70S-6 continuous consumable wire with a copper coating to protect it from atmospheric oxidation while on the reel. Analysis of the two castings revealed that the carbon content was higher than specified...
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
...: ANSI/UL 486A Wire Connectors and Soldering Lugs for use with Copper Conductors ANSI/UL 486B Wire Connectors for Use with Aluminum Conductors ANSI/UL 486E Equipment Wiring Terminals for Use with Aluminum and/or Copper Conductors Standards 486B and 486E require that terminals intended...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001607
EISBN: 978-1-62708-231-0
... rope was taken as a group of wire strands, and the fractured ends on the individual wires in the group were positioned so that the fracture region in each strand was adjacent to the fracture region in the nearby strand. The wires were then bound together with a copper wire and cleaned ultrasonically...
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
..., wrapped with copper wire, and tested for 3 h at 1100 °C (2010 °F) without application of a load. No grain-boundary penetration of copper or intergranular cracking is evident, but there is evidence of minor bulk and grain-boundary diffusion [dark-etching lines in (b)]. (a) Root of notch. 55×. (b) Edge...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001845
EISBN: 978-1-62708-241-9
... were detected in two steady clamps made of CuNi 2 Si (per DIN 2.0855) alloy approximately 6 months after commissioning. A steady clamp is a kind of fitting for the overhead contact system in electrified railways, being applied to fix the copper wires. Typical physical properties of CuNi 2 Si...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001624
EISBN: 978-1-62708-218-1
... localized heating, which led to melting of the wire. Chemical analysis Corrosion products Discoloration Electric Sensors Wire Copper (Other, miscellaneous, or unspecified) failure An electronic sensor coil failed continuity testing, indicating that a break was present in the polymercoated...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
... Fracture surface at the commutator side of Seaboard Coast Line axle 2028 Fig. 5 Optical micrograph of copper penetration (liquid metal embrittlement) in the broken axles. 300× Fig. 6 Montage of the copper penetration in the Auto Train axle Fig. 9 Brittle (a) and ductile (b...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0049838
EISBN: 978-1-62708-222-8
.... The composition is found to vary along the radius with the values determined by microanalysis given in Table 2 . The principal change appears to be a nearly direct replacement of zinc by aluminum, with the copper content remaining similar. X-ray microanalysis of reaction zone at the aluminum wire/brass plate...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001259
EISBN: 978-1-62708-233-4
... 0,017 0,006 0,004 All values correspond to the specifications according to DIN 1654 and 17200. The “good” shipment can be differentiated from the two quench crack sensitive ones by a higher sulphur content which points to the smelting practice in the S. M. furnace. It also shows higher copper...
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
.... Process of Predicting Galvanic Corrosion from Polarization Behavior The process of predicting galvanic corrosion from polarization behavior can be illustrated by the example of a steel-copper system. Steel has the more negative corrosion potential and will therefore suffer increased corrosion upon...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001124
EISBN: 978-1-62708-214-3
... Table 1 Results of chemical analysis of the base wire Element Required content (ASTM B398), % Measured content, % Copper 0.10 max 0.036 Iron 0.50 max 0.26 Manganese 0.03 max 0.003 Magnesium 0.6–0.9 0.61 Zinc 0.10 max 0.01 Chromium 0.03 max 0.001 Silicon 0.5...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001104
EISBN: 978-1-62708-214-3
... 1.66 Sulfur <0.010 0.44 Phosphorus 0.014 0.012 Chromium 17.3 16.2 Nickel 35.5 37.0 Molybdenum 0.12 0.11 Copper 0.16 0.16 Titanium 0.12 <0.05 Aluminum … … Niobium <0.05 <0.05 Discussion The failure of the sinter belt material...
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 Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... from Polarization Behavior The process of predicting galvanic corrosion from polarization behavior can be illustrated by the example of a steel-copper system. Steel has the more negative corrosion potential and will therefore suffer increased corrosion upon coupling to copper, but the amount...
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 Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001778
EISBN: 978-1-62708-241-9
... sectioned from the fractured end of each failed wire rod for optical microscopy and electron probe microanalysis. These samples were individually mounted in electrically conductive copper-containing resin and polished by conventional metallographic techniques. The polished samples were etched in 2% nital...