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This work analyzes the surfaces obtained in alloy 718 when they are milled by abrasive waterjet (AWJ) at different conditions, and the effect of main process parameters on the characteristics of these surfaces. This analysis revealed that all surfaces have a homogeneous roughness in the transversal and the longitudinal directions, present embedded abrasive particles and have hardened about 50% with...
This work presents an investigation of the tribocorrosion of ruthenium in sulphuric acid solutions.The study was focused on the effect of the electrode potential on wear of ruthenium during sliding against an inert alumina ball in a reciprocating sliding tribometer fitted with an electrochemical cell. Surface chemical and electrochemical properties were characterized using AES, XPS, SEM and electrochemical...
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