Effect of heat treatment on wear property of Al-Al_(65)Cu_(20)Cr_(15) quasicrystalline composite

The wear resistance and wear mechanism of Al-Al_)65)Cu_)20)Cr_)15) quasicrystalline composite with hot pressure and heat treatment under dry sliding conditions were investigated. The result can be presented as follows: the longer the aging time was the higher wear resistance this composite had, and wear resistance of this composite was the best in the state of annealing. the wear mechanism of this composite under dry sliding conditions was mainly abrasive particles wear, accompanying adhesive wear and oxidation wear.