Study on Wear Behaviour of Ceramics/1Cr18Ni9Ti Wear Components in H2O2 Solution

Xiu Qin Bai; Cheng Qing Yuan; Jun Li

doi:10.4028/www.scientific.net/AMM.66-68.1863

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 66-68Study on Wear Behaviour of Ceramics/1Cr18Ni9Ti...

Study on Wear Behaviour of Ceramics/1Cr18Ni9Ti Wear Components in H₂O₂ Solution

Abstract:

The wear performances of three types of ceramics (ZrO₂, Al₂O₃, Si₃N₄)/1Cr18Ni9Ti stainless steel rubbing pairs were analyzed under 0% (pure water), 10%, 30%, 50%, 70% and 90% hydrogen peroxide (H₂O₂) solution. The results showed that, under different concentrations of H₂O₂ solution, the worn surface roughness of the 1Cr18Ni9Ti stainless steel was bigger than that under pure water when the counterpart was ZrO₂ ceramic ball, while the worn surface roughness of the 1Cr18Ni9Ti stainless steel was smaller than that under pure water when the counterpart was Al₂O₃ ceramic ball. For the ZrO₂, Al₂O₃, Si₃N4 ceramics ball, the average worn surface roughness of Al₂O₃ ceramic ball was the smallest, and the average worn surface roughness of Si₃N₄ ceramic ball was the biggest. When the concentration of H₂O₂ solution was 10%, the metal particles from the ZrO₂/1Cr18Ni9Ti and Al₂O₃/1Cr18Ni9Ti stainless steel rubbing pairs had the features with large size and bright surface. The surfaces of the metal particles were oxidized clearly when the concentrations of H₂O₂ solution were 70% and 90%.