Home Kovove Materialy-Metallic Materials 2014 Metallic Materials Vol. 52 (2014), no. 3, pp.179-182

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Metallic Materials Vol. 52 (2014), no. 3, pp.179-182

Title: Comparison of the adhesives used in the pull-off test Mo layer of railway axle
Author: V. MARES, M. ŠTAMBORSKÁ, R. FAJKOŠ

Abstract: This paper deals with the influence of adhesive on the pull-off test for the molybdenum layer of the railway wheel set axle. Certain axle types are fitted with a Mo coat used to provide protection against fretting and external influences. Pressing is used for the wheel-axle assembly procedure. During the process of pressing, this surface layer is damaged, which results in a corrosive tendency in the pressed joint. That is why great emphasis must be put on the Mo layer quality and its parameters must be tested in a suitable manner. Testing means identification of the surface tensile strength. The pull-off test provides a good tool to resolve the present problem.

Keywords: pull-off test, Mo - coatings, railway axles, material behaviour, fretting
Year: 2014, Volume: 52, Issue: 3 Page From: 179, Page To: 182
doi:10.4149/km_2014_3_179


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