Abstract
An aluminium bronze alloy was processed by multi-directional forging (MF) and aging treatment. The microstructure, strength, hardness, ductility and friction and wear character were investigated. The strength and hardness were enhanced and the friction coefficient was decreased after MF, but the wear resistance inferior to that of coarse-grained (CG) types. Lower work hardening is the main factor that leads to a lower the wear resistance in the fine-grained structure aluminium bronze alloy. After MF and aging, the fine-grained structure aluminium bronze alloy with higher sliding wear resistance was due to higher strength, hardness, ductility and work hardening, though higher friction coefficient.
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