Rail Base Corrosion and Cracking Prevention: Phase 2
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2018-04-09
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Edition:Technical report; Jul 2014- Apr 2017
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NTL Classification:NTL-RAIL TRANSPORTATION-RAIL TRANSPORTATION
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Abstract:EWI was engaged by the Federal Railroad Administration to research rail treatments to prevent rail base corrosion in corrosive environments. A coating system was selected in Phase 1 and recommended for field trials. In Phase 2, four railroads sponsored the acquisition of coated rail sets and three installed them in-track. The coating suffered from adhesion loss and premature failure. The potential cause for failure was identified by the coating supplier. An additional set of four coating systems was tested in Phase 2B, using both accelerated laboratory exposure and ambient outdoor exposure. The laboratory tests included standard industry exposure tests. The outdoor exposure testing included salt applications. Based on the results of these tests, EWI is recommending a new coating for field trials.
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