– The purpose of this paper is to investigate the mechanical and wear properties of Y-TZP/Al2O3 nanocomposites.
– In this paper, the Y-TZP/Al2O3 nanocomposites with different crystal-sizes are designed and fabricated by hot pressing. Their mechanical and anti-wear properties are investigated, and the wear mechanism is studied by scanning electron microscopy, X-ray diffraction, and transmission electron microscope and so on.
– The experimental results indicate that the wear of Y-TZP/Al2O3 nanocomposites can be divided into two regimes: mild wear regime and normal wear regime. In mild wear regimes, the relationship between wear resistance (ɛ) and hardness (H) of the material can be described as: ɛ−1∝H−1. The corresponding relationship among wear resistance, hardness and toughness (KIC) of the material in normal wear regime can be described as: ɛ−1∝H−1KIC−4.
– In this paper, the mechanical and anti-wear properties of Y-TZP/Al2O3 nanocomposites are systematically investigated. The relation between mechanical properties and wear resistance is revealed.
