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EFFECT OF NORMAL FORCE ON TRIBOCORROSION BEHAVIOUR OF Ni-30Cr MODEL ALLOY IN LiOH - H3BO3 SOLUTION

Abstract : Tribocorrosion of Ni - 30Cr model alloy was investigated for different contact pressures in LiOH H3BO3 solution at room temperature. The sliding tests were performed with a pin-on-disc tribometer designed to evaluate the synergistic effect between corrosion and wear. The combined corrosion wear degradation during sliding tests was monitored and evaluated by open circuit potential measurements and electrochemical impedance spectroscopy measurements. The sliding track morphology was investigated by SEM and profilometric measurements after sliding tests. The total material loss generated by the deterioration of the protective oxide layer due to combined chemical / electrochemical and mechanical interactions in the sliding track area was assessed from quantitative and qualitative point of view.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01245618
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Submitted on : Thursday, December 17, 2015 - 2:31:09 PM
Last modification on : Wednesday, July 15, 2020 - 3:06:04 PM

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Claudiu Ionescu, Marioara Abrudeanu, Pierre Ponthiaux, François Wenger, Vasile Rizea. EFFECT OF NORMAL FORCE ON TRIBOCORROSION BEHAVIOUR OF Ni-30Cr MODEL ALLOY IN LiOH - H3BO3 SOLUTION. Revue Roumaine de Chimie, Academia Romana, 2011, 56 (9), pp.907-915. ⟨hal-01245618⟩

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