Article: Railroad switch design and failure mode analysis. (TTCI R&D).(Transportation Technology Center Inc.)

Article: Performance evaluation of an advanced design turnout with spiral geometry, hollow switch ties and welded heel frog: researchers hope several enhanced features on a new turnout will reduce maintenance costs while boosting performance.(TTCI R&D)
Railway Track and Structures;  April 1, 2005 ;     700+ words ......recent efforts to address failure modes include work on optimizing...route vehicles. However, switch point service life was also reduced...improvements that address the failure modes previously discussed. Some...for a larger cross section switch point and may result in ...

Article: FMECA
A Dictionary of Computing;      10 words ...FMECA Abbrev. for failure modes, effects, and criticality analysis.

Article: criticality analysis
A Dictionary of Computing;      11 words ...criticality analysis See failure modes, effects, and criticality analysis .

Article: Figuring out frog failures: impacts causing running surface deformation and metal flow, as well as what materials are used, are significant causes of failure in railroad frogs.
Railway Track and Structures;  May 1, 2002 ;     700+ words ......study used a variety of sources, likely failure modes and technical issues with frogs in...railroad engineering experts developed a Failure Modes Effects and Criticalities Analysis...reviewed it to determine the common failure modes and their effects. The most-commonly-cit...

Article: Performance evaluation of premium turnout components under 39-kip wheel loads: increased track capacity means an increased need for efficient turnout performance.(TTCI R & D)
Railway Track and Structures;  March 1, 2008 ;     700+ words ......turnout and component designs include: * Switch point service life * Switch surface and alignment...from AREMA guidance on switch geometry, switch point cross section, switch rod arrangement...configuration, plate work weld details, switch point details, initial frog surface ...

Article: Tackling the turnout problem. (includes related article on new designs)
Railway Age;  March 1, 1991 ;     700+ words ......rail may last 20 years or more while a switch point may need to be replaced after only two...through the curved side of the turnout. Switch point wear is very high on this turnout. Flow...less wear on the side of the curved switch point and help keep proper track alignment...

Article: TTCI makes a point.(Transportation Technology Center Inc.)(Brief Article)
Railway Age;  July 1, 2000 ;     201 words ......Inc. (ITCI) has come up with a new switch point/stock rail design it says will lower...larger cross-sectional area at the switch point than the conventional AREMA design...transfer areas, thereby lengthening switch point life, says TTCI. Stock rail life may...

Article: failure modes, effects, and criticality analysis
A Dictionary of Computing;      47 words ...failure modes, effects, and criticality analysis ( FMECA ) A systematic and disciplined approach to the task of measuring the relative criticality...

Article: Guidant Initiates Voluntary Physician Advisory on Certain Pacemakers.
Business Wire;  September 22, 2005 ;     700+ words ......informing physicians about two separate failure modes, each occurring at a low rate, being...best to treat their patients. These failure modes may result in one or more of the following...clinical behaviors associated with these failure modes can result in serious health ...

Article: Track advances improve operational efficiency: Three improvements in special track work for North American heavy haul freight railways are nearing the implementation stage. (Track).
International Railway Journal;  March 1, 2002 ;     700+ words ......turnout crossings) * a more durable switch point design, and * bainitic steel rail for...wide area. Most heavy haul mainline switch point! stock rail pairs are replaced together...rails. Improving the service life of the switch point will therefore improve the service life...

Article: The PCB industry reliability summit.(AROUND THE WORLD)
Printed Circuit Design & Manufacture;  April 1, 2007 ;     424 words ......that changes so rapidly. * New materials, manufacturing processes and designs can introduce new failure modes and eliminate existing failure modes, yet reliability evaluations remain unchanged. * New and unusual market applications are growing...

Article: Remote switch point operation.(products)(Brief Article)
Railway Age;  May 1, 2004 ;     155 words ......train crews or dispatchers to safely remote control a power switch point in non-signalized territory. Users can control the switch...and with approach locking, the manufacturer sends advance switch point position indication from a wayside signal. According to Global...

Article: Ensuring a successful new product launch: failure mode and effect analysis can find weaknesses in product designs and manufacturing processes before a new product is launched.(FMEA)
Circuits Assembly;  February 1, 2002 ;     700+ words ......technique used to identif, potential failure modes and their associated causes...not change. * List potential failure modes, effects, causes and process...for each operation --Potential failure modes. For each process function in...

Article: FY02 engine related mishap summary: a good news story!
Flying Safety;  January 1, 2003 ;     700+ words ......were the result of previously known failure modes (one of which had resulted in a previous...while the other three were from known failure modes. The combustor and fuel nozzles account...logistics-related mishaps, three were known failure modes with either corrective measures or...