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wire production

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001219
EISBN: 978-1-62708-219-8
... Galvanized steels Suspension bridges Wire products Galvanized steel Surface treatment related failures Hydrogen damage and embrittlement During construction of a river bridge with 80 twisted cables, one or more fractures were found in each of 21 wires of 18 cables before assembly, All were located...
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
... defects, segregation, pipe, porosity, and so forth. In the production of steel wires, high-carbon wire rod that varied in diameter between 5.5 and 14 mm was used as the starting raw material. High-carbon steel wire rod is supplied to the wire-drawing units in either hot-rolled condition or after...
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
.... This is compared in Figure 6 with a blue, glass-filled plastic unit held at 74 C (165 F) for 24 months. The gold wires are severely attacked in both cases; however, there is a secondary corrosion product associated with the solder mound and deterioration of the glass-filled plastic. The corrosion product...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001817
EISBN: 978-1-62708-241-9
...). The desired microstructure and mechanical properties are controlled and adjusted by carbon content of the steel and subsequent heat treatment. The heat treatment that produces the starting microstructure for wire production is termed patenting. It consists of heating to austenite region and isothermal holding...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048117
EISBN: 978-1-62708-235-8
... Abstract Two outer valve springs made from air-melted 6150 pretempered steel wire broke during production engine testing. The springs were 50 mm in OD and 64 mm in free length, had five coils and squared-and-ground ends, and were made of 5.5 mm diam wire. It was revealed that fracture...
Image
Published: 01 June 2019
Fig. 12 Fractured sample from AFRS Helix #10 showing corrosion at a split on the outside diameter of the wire, where the failure initiated. The face of the split, with corrosion products, connects the corrosion on the outside surface of the wire to the fracture initiation region. The wire More
Image
Published: 01 June 2019
Fig. 5 A split in sample SRS #9 is shown in cross section. The split depth is approximately equal to the radius of the wire. The split is full of corrosion products. Corrosion is occurring at inclusions adjacent to the split (small black dots). Near the outside diameter of the wire (left side More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001715
EISBN: 978-1-62708-219-8
...-hand side of the photograph, and a twist on the right-hand side of the photograph. Fig. 5 A split in sample SRS #9 is shown in cross section. The split depth is approximately equal to the radius of the wire. The split is full of corrosion products. Corrosion is occurring at inclusions...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048131
EISBN: 978-1-62708-225-9
... Abstract The springs formed from 3.8 mm diam cold-drawn carbon steel wire failed to comply with load-test requirements. A split wire in the spring was revealed by investigation. A smooth heat-tinted longitudinal zone was observed in the fracture. It was concluded that the spring failed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090433
EISBN: 978-1-62708-218-1
... Abstract A production lot of plastic wire clips was failing after limited service. The failures were characterized by excessive relaxation of the clips, such that the corresponding wires were no longer adequately secured in the parts. No catastrophic failures had been encountered. Parts...
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
..., 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 wire...
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 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 by which...
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
... initiation and propagation. The absence of corrosion elsewhere in the wire may be attributed to reorientation of grains at the wire joints, making the joints susceptible to enhanced grain-boundary corrosion. The presence of chlorides and sulfates in the corrosion products was attributed to the marine air...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001075
EISBN: 978-1-62708-214-3
... relatively clean, containing only superficial corrosion products. The general plane of the fracture surface was normal to the wire aids, and there was no obvious indication of plastic deformation. Testing Procedure and Results Surface Examination Macrofractography Examination of the fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001518
EISBN: 978-1-62708-228-0
... For the purposes of a comparison, the coupling from the other end of the hose was dismantled to reveal the hose underneath. It was observed that the textile braid was stained/colored a red-brown from the corrosion product of the braid wire that had penetrated out through the textile braid. The textile braid...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001527
EISBN: 978-1-62708-224-2
... mechanical properties alone, with composition dictated by the ability of the finished product to satisfy the requisite strength level after wire drawing and rope manufacture. Wire Grades Labeled grades of wires are of historical significance, but are somewhat vague. The following grades have been...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001390
EISBN: 978-1-62708-215-0
... Abstract Cracking occurred in type 304L stainless steel sheaths on nichrome wire heaters that had been in storage for about 5 years in a coastal atmosphere. The cracks were discovered when the heater coils were removed from storage in their original polyethylene packing materials...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001841
EISBN: 978-1-62708-241-9
... Abstract Ultrasonic cleaning is widely used in the production of medical devices such as guide wires and vascular implants. There are many cases, however, where cleaning frequencies have been close to the natural frequency of the device, producing resonant vibrations large enough to cause...
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
... the attention of the investigator, because they reduce production efficiency, waste critical materials, and increase costs. In some instances, they cause considerable damage or personal injury. Finally, failures can result in costly litigations. The need to develop and encourage the science (and art...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001119
EISBN: 978-1-62708-214-3
... Abstract To samples of helical compression springs were returned to the manufacturer after failing in service well short of the component design life. Spring design specifications required conformance to SAE J157, “Oil Tempered Chromium Silicon Alloy Steel Wire and Springs.” Each spring...