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Reciprocating wear tests of Al–Si/SiCp composites: a study of the effect of str...
Gomes, J. R.; Ramalho, A.; Gaspar, M. C.; Carvalho, S. F.The aim of the work described here was to find evidence for the influence of stroke length on the reciprocating wear of aluminium matrix composites. For this purpose, two kinds of tests were performed: reciprocating ball-on-plane geometry experiments to apply stroke in the millimetre range, and fretting tests to study the strokes in the micrometer scale. The relationships between the dissipated energy and the w...
Fretting behaviour of galvanised steel
Gaspar, M. C.; Ramalho, A.The present work describes research conducted on the fretting behaviour of S 355 MC galvanised steel sheet. In order to study the influence of the normal load and the displacement effect, some of the specimens were galvanised by hot dipping and the rest were only polished before being tested. Fretting tests were carried out on a specially developed fretting rig prototype under [`]crossed-cylinders' contact geom...
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