Formation of Al2O3–ZrO2 composite coating on zirconium by micro-arc oxidation
作者： Yuanyuan Yan , Yong Han , Juanjuan Huang
DOI: 10.1016/J.SCRIPTAMAT.2008.03.015
关键词:
摘要: Al 2 O 3 –ZrO composite coating was prepared on zirconium by micro-arc oxidation in an aqueous NaAlO -containing electrolyte. The is composed of α-Al , tetragonal ZrO (t-ZrO ) and monoclinic (m-ZrO ), firmly adherent to the substrate. maximum hardness reaches 1630 Hv 0.2 N friction coefficient against steel as low 0.115 at 200–1000 N loads under oil-lubricated condition. structure formation mechanism have been investigated.
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