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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
...Abstract Abstract An electron probe microanalyzer was applied to the study of service failures (due to severe heating) of aluminum wire connections in residential electrical circuits. Perturbed regions in which the composition underwent a change during the failure were revealed by optical...
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
...Abstract Abstract Wire ropes, pulleys, counterweights, and connecting systems are used for auto tensioning of contact wires of electric railways. A wire rope in one such auto tensioning system suffered premature failure. Failure investigation revealed fatigue cracks initiating at nonmetallic...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001285
EISBN: 978-1-62708-215-0
...Abstract Abstract A 6 x 19 fiber core steel wire rope failed as it was being used to lower a steel television tower. Fracture of the rope occurred at a point under one of two clips used to fashion a spliced loop that was directly connected to the top of the tower. Microscopic examination...
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
... of a direct-current motor. The mode of failure and the changes in the microstructure showed that fracture was due to a defective resistance butt-weld which had been made when the wire was in process of drawing. A further example of a conductor failure occurred in a 12 SWG copper connection between the rotor...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001228
EISBN: 978-1-62708-229-7
.... They were milled blades without binding wires and cover band. They did not fracture at the fastening, i.e. the location of highest bending stress, but in a central region which was 165 to 225 mm away from the gripped end. The blades were fabricated from a stainless heat-treatable chromium steel containing...
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
...Abstract Abstract The bolt in a bolt and thimble assembly used to connect a wire rope to a crane hanger bracket was worn excessively. Two worn bolts, one new bolt, and a new thimble were examined. Specifications required the bolts to be made of 4140 steel heat treated to a hardness of 277...
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
... panel from incident 1 is shown in Fig. 2 and Fig. 3 . Three aluminum wires entered the panel through the hole indicated by the arrow. These aluminum wires connected the power meter to the breaker panel. The badly melted and arced stubs of these wires protruded approximately 25 mm (1...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001793
EISBN: 978-1-62708-241-9
... ± 13.3 HAZ (weld–wire spacer) 150.0 ± 5.2 Wire spacer 190 ± 0.7 A transverse observation of the weld connecting the wire spacer to the pipe revealed defects like lack of penetration on both sides of the weld, resulting in cavities between the weld metal, wire spacer, and concentric pipe...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001549
EISBN: 978-1-62708-224-2
... by the heavy deformation of the fracture faces of the I-beam, extension of the fatigue crack had occurred over a considerable time. Wire ropes are frequently subjected to repeated bending in service. The possibility of fatigue failure of individual wires, and hence of the rope itself, is always present...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001258
EISBN: 978-1-62708-235-8
...Abstract Abstract A drawing plant which processed steel wire of designation 105 Cr 2 for ball bearings had losses due to crack formation and wire breakage during drawing. To establish the reason for the breakage, seven fractures were submitted for investigation with contiguous wire segments...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001118
EISBN: 978-1-62708-214-3
... on the inside surface ( Fig. 2 , 3 , 4 ). The fracture was macroscopically flat (located nearly opposite the spring connection where the two ends were intertwined). The fatigue portion of the fracture was approximately one-half of the spring wire diameter ( Fig. 2 ). The origin of the fracture...
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
...Abstract Abstract A bolt manufacturer observed that products made from certain shipments of steel 41 Cr4 wire were prone to the formation of quench cracks in their rolled threads. The affected wire was tested and found to be highly sensitive to overheating because of the metallurgical method...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001125
EISBN: 978-1-62708-214-3
... transmission conductor cables are mostly of ACSR construction. Because electrical conductor (high-purity) aluminum cannot bear its own weight over long spans, one or more layers of aluminum wire strands are assembled around a steel wire cable core. The aluminum bears the electrical load, and the steel...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001819
EISBN: 978-1-62708-180-1
...), pins, and orthopedic wire are available (intramedullary refers to use of the marrow space of the bone for support). Some implants have very specific uses; others have a wide range of applications with different functions. Under the impact of a trauma, bones can fracture in any configuration...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001674
EISBN: 978-1-62708-234-1
... for Corrosion Study Table 1 Test Matrix of Components Used for Corrosion Study Description of Bridgewire Assemblies Test Temperature C 100 88 74 54 36 19 Standard Detonators: Type A Green DAP, AuPt Wire x x x x x x Type B Blue DAP, Au Wire (Corroding) x x x x x x...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0091362
EISBN: 978-1-62708-220-4
... weld 133 328 461 262 Corroded circumferential weld 34 169 203 225 E-Brite weld wire 3 53 56 55 Sound longitudinal weld 10 124 134 188 Sound circumferential weld 20 106 126 85 These results confirmed suspicions that failure was due to excessive amounts...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
.... Metalworking operations are also classified as either primary metalworking (where mill forms such as bar, plate, tube, sheet, and wire are worked from ingot or other cast forms) or secondary metalworking (where mill products are further formed into finished products by hot forging, cold forging, drawing...
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
... of the snubbers will give rise to increased vibration of the blades and the onset of impact fretting. In some turbines, a wire is threaded through holes in the outer ends of the blades to dampen down vibration. In this case, the frictional energy dissipated in the fretting process is the effective agent and may...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001702
EISBN: 978-1-62708-219-8
... electrically by copper wire connections. A schematic showing the east face of one-half of the beam is given in Figure 2 . This drawing shows the grid system used to identify positions on the surface of the beam. It contains grid locations 1 through 47 while the other half of the beam was numbered 54...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001350
EISBN: 978-1-62708-215-0
... metal and filler wires. The root pass of the fillet weld was made by the tungsten inert gas welding, followed by manual metal arc welding with basic coated electrodes. After each pass, the weldments were inspected visually and by using dye penetrants. After fabrication was completed, the tank passed...