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Track Systems supplement 2012

13 April 2012 | By

This Track Systems supplement features: Optimising the wheel/rail interface: reducing forces for the benefit of all; RAILECT – development of an ultrasonic technique, sensors and systems for the volumetric examination of aluminothermic rail welds...

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Friction stir welding for the fabrication of aluminium rolling stock

28 May 2008 | By Stephan W Kallee, Sector Manager Industrial Membership Services and Calvin Blignault, Project Leader – Technology Friction and Forge Processes Department, EFP Technology Group, TWI Ltd

Since the invention of friction stir welding (FSW) at TWI in 1991, companies from all parts of the world have implemented the process, predominantly in the fabrication of aluminium components and panels. Friction stir welded structures are now revolutionising the way in which trains, metro cars and trams are built.

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Trends in design and fabrication of rolling stock

6 February 2007 | By Stephan W. Kallee, Sector Manager and John Davenport, Programme Manager, TWI Ltd

Whether rail vehicles are made from steel, stainless steel or aluminium, the search for lower cost, robust designs is never ending. For the case of aluminium, complete trains are being assembled from hollow aluminium extrusions and prefabricated panels. Recent investigations into the crashworthiness of aluminium railcars have clearly demonstrated the…