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electric rail transit systems

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Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004167
EISBN: 978-1-62708-184-9
... Abstract This article presents the fundamentals of stray-current corrosion caused by electric rail transit systems. It describes the various corrosion-control design elements for the electric rail system. These design elements include substation spacing and grounding, track and track slab...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003608
EISBN: 978-1-62708-182-5
.... Examples of this situation are commonly observed in rail transit systems, pipeline systems, and electric distribution systems ( Ref 1 , 2 , 3 ). Detailed technical presentations of stray current corrosion can be found in the literature ( Ref 4 , 5 , 6 ). Stray currents (or interference currents...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004118
EISBN: 978-1-62708-184-9
... V) than the surrounding earth. This can be accomplished by various methods, but for pipe-type cable all systems must have one thing in common. They must be capable of safely conducting high alternating current (ac) fault currents to ground. Such faults occur when the conductor comes in electrical...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005840
EISBN: 978-1-62708-167-2
.... It provides information on curing, form removal, dryout, and coil refractory seasoning. Wear rails that are designed to prevent damage to the coil refractory and subsequent coil winding are also discussed. The article concludes with a discussion on preventive maintenance practices for induction forging coils...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006006
EISBN: 978-1-62708-172-6
... States; approximately 300,000 were tank cars and 440,000 were covered hoppers, both of which use somewhat robust coating systems. This article provides an overview of rail coatings, including their history, function, application, and selection. Fig. 1 Representative railcar A Brief History...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004115
EISBN: 978-1-62708-184-9
... to: Cathodic protection (CP) ( Ref 3 , 4 , 5 ) High voltage dc (HVDC) power lines ( Ref 6 ) Transit systems ( Ref 1 , 7 , 8 , 9 ) Direct current operated mining equipment Electric railways Welding, both onshore and offshore ( Ref 10 ) Electroplating or battery-charging equipment...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005891
EISBN: 978-1-62708-167-2
... frequency is one of the most critical parameters of induction heating systems. If frequency is too low, an eddy current cancellation within the heated body takes place, resulting in poor electrical efficiency of the coil. On the other hand, when the frequency is too high, the skin effect will be highly...
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
... at the origin to the tearing shear fracture at the arrest. Occasionally, the fracture at the origin will be ductile and then change to brittle as the fracture accelerates. The type of fracture that occurs is a function of the temperature of the pipe relative to the transition temperature of the steel. Sample...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
..., bolted flanges, shrink fits, all in the presence of vibrations; reciprocating arms; electrical contacts; wire ropes Rolling-sliding wear Rolling bearings; cam and follower; gears; wheel-rail system Abrasive wear by hard particles Ore-processing machinery; blades and buckets of earth-moving...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004112
EISBN: 978-1-62708-184-9
..., alignment drawings, locations of water crossings, types of terrain, locations of high-voltage AC power transmission lines and dc rail systems) Cathodic protection operating system data, test stations, electrical bonds Foreign CP systems Foreign underground structures in proximity to pipeline AC...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003417
EISBN: 978-1-62708-195-5
... or cooling. Because of its continuous nature, the pultrusion process produces the rack in one piece to span the entire length of the bus. In another transit application, long lengths of electrically insulating coverboard are pultruded to cover the current-carrying third rail on rapid transit systems. Because...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001403
EISBN: 978-1-62708-173-3
... to last for many years. This article provides an overview of the service conditions. It offers guidance for material selection applications, including bridges and buildings, pressure vessels and piping, shipbuilding and offshore structures, aerospace systems, machinery and equipment, automobiles, railroad...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003038
EISBN: 978-1-62708-200-6
... are pultruded in one piece to cover the current-carrying third rail on rapid transit systems. Because of the design flexibility of composite profiles, the shape is designed to snap over the rail and yet support a load dropped from above. Technical Process Of the three relevant technology areas, the most...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005897
EISBN: 978-1-62708-167-2
... The value of P loss sur represents an undesirable heating of tools, guides, rails, flux concentrators, magnetic shunts, fixtures, enclosures, support beams, and other electrically conductive structures that are located near the induction coil and where appreciable eddy currents can be induced...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001057
EISBN: 978-1-62708-162-7
... “Aluminum Foundry Products” in this Volume. Railroad Cars Aluminum is used in the construction of railroad hopper cars, box cars, refrigerator cars, and tank cars ( Fig. 10 ). Aluminum is also used extensively in passenger rail cars, particularly those for mass transit systems. Fig. 10...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002461
EISBN: 978-1-62708-194-8
... of the civil engineer who designed the bridge or the rail system. Fig. 3 Microstructure of a typical fully pearlitic rail steel showing the characteristic fine pearlite interlamellar spacing. 2% nital + 4% picral etch. 500× A similar case can be made for the selection of cast irons. A cast...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005633
EISBN: 978-1-62708-174-0
... Aluminum-to-copper electrical transition for power transmission Anodes used in aluminum smelters Railroad rails, especially for high-speed trains Fig. 6 Flash-welding machine installation equipped to weld band-saw blades Process Steps in Flash Welding Preweld Preparation Parts...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004113
EISBN: 978-1-62708-184-9
... in direction and can be caused by welding shops, electrically powered rail transit, and improperly grounded or faulted electrical equipment. Dynamic stray currents can be man-made or natural in origin. Static stray currents can be caused by other CP systems. See the article “Stray Currents in Underground...
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...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003041
EISBN: 978-1-62708-200-6
... technique must be adequate for the service temperatures and thermal cycling. The gas-fired systems provide substantial operating savings over electrical systems when direct energy and demand charges are considered. Gas heating is regularly used in autoclaves with maximum operating temperatures of 450 to 540...