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Railroad wheels

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
... to the performance of cartwheel. Dynamic fracture toughness Fatigue property Performance evaluation Railroad wheels Static mechanical property Fe-0.55C-0.73Mn Fe-0.60C-0.85Mn Fe-0.5C-0.7Mn Rolling-contact wear Spalling wear Fatigue fracture 1. Introduction The railway system in China plays...
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
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001138
EISBN: 978-1-62708-231-0
... effects, failure of the thread structure of the clevis occurred. The failure occurred where the cylinder rod screws into the clevis. The rod was manufactured from 1045 steel. Cylinder rods Fretting fatigue Galling Railroad wheels 1045 UNS G10450 Fatigue fracture Fretting wear A. Design...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001807
EISBN: 978-1-62708-241-9
... A. , Davoli P. , Filippini M. et al. , An integrated approach to rolling contact sub-surface fatigue assessment of railway wheels . Wear 258 , 973 – 980 ( 2005 ) 10.1016/j.wear.2004.03.044 9. Ekberg A. , Kabo E. , Andersson H. Predicting rolling contact fatigue...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
... and manufacturing defects has become more important. This article presents case histories that are intended as an overview of the unique types of failures encountered in the freight railroad industry. The discussion covers failures of axle journals, bearings, wheels, couplers, rails and rail welds, and track...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001659
EISBN: 978-1-62708-231-0
... dependent upon wheel load and MGT. Confirmation of this should be obtained from the rails tested at the Facility for Accelerated Service Testing (FAST) where actual growth measurements can be made. Conclusions This most recent study of detail fracture growth patterns in railroad rails has led...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... Properties, Hysteresis Loop Shape, and Kinematic Hardening of Two High-Strength Bearing Steels , Metall. Trans. A , Vol 21 ( No. 2 ), 1990 , p 653 – 665 10.1007/BF02671936 27. Kabo E. and Ekberg A. , Fatigue Initiation in Railway Wheels—A Numerical Study of the Influence of Defects...
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
..., a review was published of railroad-car axle failures due to the absorption of molten copper ( Ref 2 ). Most axle-journal failures occurred near the wheel hub, an area of high stress and temperature. A broken axle was shown in which the fracture was not destroyed after breakage had occurred. From...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001347
EISBN: 978-1-62708-215-0
... to ten large fragments, with the remaining fragments decreasing in size. The large fragments consisted of the following: 2 railroad truck (wheel) assemblies—east and west 2 ends or heads with portions of their adjacent cylindrical shell 4 to 6 large pieces of the 4 central 2.8-m (109.25...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001665
EISBN: 978-1-62708-231-0
... Shepherdsville, Kentucky, causing substantial damage to a printing works adjacent to the tracks. In the ensuing litigation, the Louisville and Nashville Railroad Company was forced to pay compensation for the damage caused by the derailment. The railroad carried out an investigation of the mishap and found...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001719
EISBN: 978-1-62708-231-0
... into locomotive axle failures during the last century. A few relevant cases will be reviewed here: The first failure of this kind was reported and investigated in 1914 1 . The failed part was a Krupp Railroad Axle that failed in service. The study concluded that bronze metal was apparent on the fracture...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001831
EISBN: 978-1-62708-241-9
... al. [ 3 ] analyzed a failure case of one railway freight wagon wheel that was brought about by the fatigue fracture on the inner rings of the bearings. Li et al. [ 4 ] even reported that a failed aeroengine was the result of fracture of the cage rivets of one cylindrical roller bearing. Moreover...
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
... of copper penetration was observed, so the expert claimed that the axle was defective, and the railroad brought suit against the axle manufacturer. Although it was obvious that the specimen preparation was very poor and that this would make detection of copper by EDS more difficult, it was uncertain how...
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
... to the structure. Laboratory abrasive-wheel cutting is recommended to establish the desired plane of polish. The most commonly used sectioning device in the metallographic laboratory is the abrasive cutoff machine. All abrasive-wheel sectioning should be performed wet. An ample flow of coolant...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... to the structure. Laboratory abrasive-wheel cutting is recommended to establish the desired plane of polish. The most commonly used sectioning device in the metallographic laboratory is the abrasive cutoff machine. All abrasive-wheel sectioning should be performed wet. An ample flow of coolant...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... ). With a fluctuating load, this situation can cycle progressively, with continued loss of preload and possibly rapid fatigue failure (the effect of preload on steel automotive wheel studs and the fracture that resulted from the preload are described in Example 1 in this article). To eliminate fatigue problems...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006820
EISBN: 978-1-62708-329-4
... the shaft, exposing a fresh surface and fresh lubricant. Proof of this approach can be seen by reviewing the storage practices used by a large chemical plant with a motor and reducer warehouse, with over 300 units in it and adjacent to a plant railroad track. The plant was experiencing repeated premature...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... delamination and removal by wear. Corrosion enhances the wear attack. Wear of railway steel under repeated rolling contact suffers from such wear attack involving wear, fatigue, and corrosion. Perhaps the most encountered type of fatigue wear corrosion is fretting wear in a corrosive environment, termed...
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 device is the leaf spring used at one time in automobiles and railway rolling stock. It consists of an assemblage of steel plates, whose purpose is to dampen down vibration transmitted from the wheels to the carriage. Accumulation of debris could result in the plates not moving easily over one another...