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wheel hub

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001633
EISBN: 978-1-62708-221-1
... Abstract Failure analysis of a mobile harbor crane wheel hub that included SEM and EDS analyses demonstrated that the mechanism of failure was fatigue. The wheel hub was a ductile cast iron component that had been subjected to cyclic loading during a ten-year service period. The fracture...
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Published: 01 June 2019
Fig. 2 Showing right hand rear-wheel hub after detachment of the wheel. More
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Published: 01 June 2019
Fig. 2 View of a nonfailed axle, wheel hub, and steering arm (top) More
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Published: 01 June 2019
Fig. 5 Failed wheel hub (side view) showing fracture surface and area where material has broken away More
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Published: 01 June 2019
Fig. 6 Failed wheel hub (side view) incorporating the broken part held in place More
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Published: 01 June 2019
Fig. 7 Fracture surface of the failed wheel hub showing the brown discoloration or stain area (arrow) More
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Published: 01 June 2019
Fig. 10 Fractograph of the wheel hub fatigue failure More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0091092
EISBN: 978-1-62708-224-2
... Abstract A 60.3 mm (2.375 in.) diam drive shaft in the drive train of an overhead crane failed. The part submitted for examination was a principal drive shaft that fractured near a 90 deg fillet where the shaft had been machined down to 34.9 mm (1.375 in.) to serve as a wheel hub. A 9.5 mm...
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Published: 01 December 1992
Fig. 1 (a) Hub area of wheel that failed by crack propagation from hole to hole. (b) and (c) Higher-magnification views. More
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Published: 30 August 2021
Fig. 52 Hub and partial plate section of failed wheel. Arrow shows the wear from riding on the rail More
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Published: 01 June 2019
Fig. 1 General view of two crane wheel sets and one failed axle (middle) with wheel and wheel hub removed. The wheels are turned at different angles. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001678
EISBN: 978-1-62708-218-1
... damage to the vehicle and the occupants ( Figs. 1 and 2 ). Fig. 1 Damaged Four- Wheel Drive Station Wagon. Fig. 2 Showing right hand rear-wheel hub after detachment of the wheel. The vast majority of fasteners (bolts, screws, studs, etc) used in vehicle industry are made from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0048102
EISBN: 978-1-62708-224-2
... Abstract A bridge wheel from a 272,160 kg stripper crane fractured in the web near the rim after one year of service. The wheel was forged from 1055 steel, and the tread, hub faces, and hub bore were machined. Beach marks indicative of fatigue at ten locations were revealed by macroscopic...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001305
EISBN: 978-1-62708-215-0
... Abstract An ASTM A 504 carbon steel railway car wheel that was used on a train in a metropolitan railway system failed during service, causing derailment. The wheel was completely fractured from rim to hub. Macrofractography of the fracture surface showed road grime, indicating that the crack...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001038
EISBN: 978-1-62708-214-3
... Abstract The rear outside wheel of an over-the-road 18-wheel tractor-trailer failed at its bolt holes, permitting the tire and wheel to separate from the hub. Failure analysis was conducted using photographic examination of actual fracture surfaces and SEM examination of fracture replicas...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048099
EISBN: 978-1-62708-235-8
... Abstract A bridge wheel on a crane, forged from 1055 steel, fractured after one year of service. The wheel fractured in the web between the hub and the rim. A small area containing beach marks that originated in a heavily burned area on the web surface was revealed by visual examination...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047125
EISBN: 978-1-62708-217-4
... Abstract A commercial aircraft wheel half, machined from an aluminum alloy 2014 forging that had been heat treated to the T6 temper, was removed from service because a crack was discovered in the area of the grease-dam radius during a routine inspection. Neither the total number of landings nor...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001306
EISBN: 978-1-62708-215-0
... completely separated from the hub. The wheel assembly was mounted to the hub by 10 left hand thread wheel studs and twenty speciality nuts designed to match the wheels. The truck was relatively new at the time of this incident, having travelled approximately 20,000 total miles. Pertinent Specifications...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001383
EISBN: 978-1-62708-215-0
... cracking 1340 UNS G13400 Hydrogen damage and embrittlement Surface treatment related failures Background Several wheel studs fractured in a brittle manner after very limited service life. Applications Most heavy truck wheels are clamped to steer axle and drive axle hubs using ten...
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Published: 01 June 2019
Fig. 1 Aluminum alloy 2014-T6 aircraft wheel half that was removed from service because it developed a fatigue crack at a material defect. Detail A shows the area where the crack occurred and a view of the fracture surface revealed when the hub was broken open to examine the crack. View B-B More