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power train systems

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003504
EISBN: 978-1-62708-180-1
... to perform a specific task, to change the operating context of the system, or to change the capability of an operator or maintainer (training) Operating context The circumstances in which a physical asset or system is expected to operate Operational consequences A category of failure consequences...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001023
EISBN: 978-1-62708-214-3
... of the splines. Most Probable Cause Remedial Action The failed splined shaft and gear assembly forms an integral part of the ATAR engine accessory drive gear train. The gear train provides power from the main engine to the engine accessories, including hydraulic pumps and the electrical system. Because...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
..., it was only 10 ft. It was found that during cold weather, when the lake water was cool, operations was using only one pump to reduce power consumption. The system was designed to operate against the back pressure produced by two pumps in parallel. With only one pump in use the system back pressure dropped...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003515
EISBN: 978-1-62708-180-1
... property changes. Cost varies from inexpensive portable equipment to high precision, automated, stationary systems. Requires properly trained personnel with considerable application experience Eddy current Time-varying electrical signals induce eddy currents in a specimen. Discontinuities that alter...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003518
EISBN: 978-1-62708-180-1
... not have systems in place that allow simple remedies to be enacted for the deeper level causes. For example, if someone in an organization wants to investigate causes beyond the simple fact of improper hardness, it may be discovered that the incoming (receiving) inspection clerk was not properly trained...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006754
EISBN: 978-1-62708-295-2
... of components, assemblies, or structures, and its approach is consistent with the knowledge base of a person trained in materials engineering. The contribution of the materials engineer to the advancement of the scientific foundation of failure analysis has been great in the last few decades. This is evidenced...
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
.... As an example, the author studied an Auto Train locomotive drive axle ( Ref 2 ) that failed due to overheating of the friction bearing. 3 The train was approaching a city, and no power was being applied from the traction motor through the axle to the wheels, because they had to continuously reduce their speed...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001382
EISBN: 978-1-62708-215-0
... that was part of a coupling system in a train failed in service, causing cars to separate. Applications Circumstances Leading to Failure Pertinent Specifications Specimen Selection Figure 1 shows the as-received bolt. The fracture origin and a specific wear pattern on the bolt surface...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... representation of a physical system or process. The use of modeling can be a very powerful tool for information pertaining to the reconstruction of an accident. Whether the modeling consists of simple mathematical modeling of a physical system or more complex computer modeling of a system or part, the results...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003519
EISBN: 978-1-62708-180-1
... glass Use to look at samples. Loop is higher magnification, 10–25×. Lower-power magnifying glass can also be helpful Tape measure Measure long distances Indelible ink marker (fine) Mark items, bags, bottles Flashlight Look at items in holes, dark areas, etc.. Good to have 90° bend...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001594
EISBN: 978-1-62708-229-7
...Abstract Abstract Nuclear power plants typically experience two or three high-cycle fatigue failures of stainless steel socket-welded connections in small bore piping during each plant-year of operation. This paper discusses fatigue-induced failure in socket-welded joints and the strategy Texas...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001081
EISBN: 978-1-62708-214-3
... regularly updated by the engine manufacturer on the basis of field experience. After almost 14 years of engine operation, severe bolt hole cracking of disks and spacers in the eight-stage compressor train assembly of all engines, including the baseline, was observed during scheduled overhaul inspections...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
... fire. The men and women involved in failure investigation in the new millennium have an incredible array of sophisticated and powerful tools and equipment to assist them. Unfortunately, many failure investigations performed today (2020) are not the victims of a “failure of imagination” but the victims...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... Fig. 1 Corrosion characteristics of an active-passive metal as a function of solution oxidizing power (electrode potential) Fig. 4 Corrosion failure of 100-year-old riveted steel water transmission main. Courtesy of S. Paul, CorrTech, Inc. Fig. 6 Severely deteriorated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
...-fired combined cycle plant in this study has two separate power trains—units A and B—each having a CT and HRSG. The HRSGs were manufactured in modules with up to 10 harp assemblies each. The modules were assembled in the field, three across and five deep in the direction of gas flow. The last modules...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
...-passive metal as a function of solution oxidizing power (electrode potential) Fig. 2 Corrosion deposits on the outer-diameter surface of type 304 stainless steel inner braid wire strands used as reinforcement in a polytetrafluoroethylene hose used for chemical transport. Note corrosion at wire...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
..., such as bridges, highways, buildings, and power-generation and water supply facilities. Codes and standards regulate many of the materials and design features of these structures, due to safety concerns. Civil engineering designs typically use reliable and economical materials that are not particularly exotic...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
... gears, helical gears generate axial thrust, which causes slight loss of power and requires thrust bearings. Fig. 2 Sections of a helical gear (a) and a helical rack (b). Herringbone Gears Herringbone gears ( Fig. 3a ), sometimes called double helical gears, are used to transmit motion...
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
...) throughout the country is very expensive. An obvious economic need, as well as a regulatory requirement, exists for manufacturers (and importers) to have systems in place for expeditious recall of a faulty product. Once involved in litigation, one of the most powerful defenses that manufacturers...