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Railroad-rail steel

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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
... fractures Railroad-rail steel Fatigue fracture Rolling-contact wear In a recent Battelle study completed for the Department of Transportation (DOT) [ 1 ], it was found that nearly 10 percent of over 10,000 1-mile segments of revenue-service railroad rail contained one or more detail fracture-type...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001376
EISBN: 978-1-62708-215-0
... Abstract An AISI 9260 steel railroad spike maul failed after a relatively short period of service. The maul head fractured in two pieces when struck against a rail. Visual, fractographic, metallographic, and chemical analyses were conducted on sections taken from the maul head, which was found...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001585
EISBN: 978-1-62708-231-0
... fracture with short-term exposure to an oxygen-rich environment. Fracture features emanated from longitudinally-aligned inclusions rich in aluminum. Inclusions Rails (railroad) Carbon-manganese steel Mixed-mode fracture The National Transportation Safety Board simultaneously investigates...
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.c9001444
EISBN: 978-1-62708-231-0
.... The steel in the regions of the slots possessed little capacity for deformation, and fracturing of the martensitic layer, under cooling or impact stresses, would be likely to occur. The slots should have been cut mechanically. Impact Martensite Phase transformations Rails (railroad) Fe-0.55C...
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
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001665
EISBN: 978-1-62708-231-0
... the casting fractured as a result of the derailment, the fracture followed the scale in the contaminated region thus creating the “rock candy” fracture. Copper Inclusions Rail steels Rock candy fracture Fe-0.25C Intergranular fracture In December 1977, a freight train derailed near...
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
... metal is displaced by the rotation, and lubrication Bronze backing is heated to its melting point, 900–915 °C and penetrates the axle resulting in failure. Lackawana and Western Railroad conducted two studies in 1953 with an actual rail car axle 5 . A non-copper containing cast iron bearing...
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
... Penetration in Overheated Journals,” Report 69222, New York Central Railroad Company , New York , July 1959 6. New York Central Research Shows … Turning Removes Copper Penetration , Rail. Locom. Cars , Feb 1961 , p 34 – 35 7. Report of the Committee on Axle and Crank Pin Research...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001398
EISBN: 978-1-62708-229-7
... such chemical seal that was established and render it ineffective. Cracking would take place where residual tensile stresses of a sufficiently high order either from manufacture or welding existed. This is in line with the experience of the American Railroads, where the use of sodium sulphate was found...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001822
EISBN: 978-1-62708-241-9
... , Houston, TX , 18 Sept 2007 . 3. “ Recommended Practice for Transportation of Line Pipe on Barges and Marine Vessels ,” API 5LW, American Petroleum Institute , 1996 10.17226/5272 4. “ Recommended Practice for Railroad Transportation of Line Pipe ,” API 5L1 American Petroleum Institute...
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
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 Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
..., with an additive for corrosion protection and lubrication, should be directed uniformly into the cut. Wet cutting produces a smooth surface finish and, most importantly, guards against excessive surface damage caused by overheating. Figure 1 shows the surface of quenched and tempered A2 tool steel (59 HRC) cut...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... and spalling of various railroad percussion tools. The ultimate goal of the program at Conrail was to reduce maintenance-of-way employee injuries. The HIT is a simple electropneumatic machine that is able to repeatedly strike an anvil with a hammer or spike maul. The end of the striking-tool handle is fitted...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001820
EISBN: 978-1-62708-180-1
... in a region of mechanical damage on the pipe surface, which is usually produced during rail shipment. Fig. 6 Typical example of fatigue cracking adjacent to a longitudinal weld. Because these cracks were detected in pipe that had not been in service, the shipping of the pipe was subjected...
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
... an example of a brittle fracture in a low-carbon steel examined in this manner. Figure 1 also shows a LM image of the fracture profile, a LM image of a replica of the fracture, SEM images of the fracture and a replica of the fracture, and a TEM replica of the fracture. Although Zapffe used bright-field...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
... and other preferred sites (such as inclusions or matrix interfaces). Flaking or hairline cracking in steels, particularly in forgings, heavy-section alloy plate steels, and railroad rails, has been an ongoing problem since the beginning of steelmaking and is reviewed in Ref 1 . A major source...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
... set of circumstances that present an injury potential (e.g., a railroad crossing at grade, a toxic chemical, a sharp knife, the jaws of a power press). Risk is the probability of injury and is affected by proximity, exposure, noise, light, experience, attention arresters, intelligence of an involved...
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
... (such as inclusions or matrix interfaces). Flaking or hairline cracking in steels, particularly in forgings, heavy-section alloy plate steels, and railroad rails, has been an ongoing problem since the beginning of steelmaking and is reviewed in Ref 6 . At still higher concentrations of hydrogen in metal, blistering...