Hardness and Wear Behaviour Of Al2O3/AA6063 Surface Metal Matrix Composites Fabricated Using Friction Stir Processing

Document Type : Research articles

Authors

1 Egyptian Academy for Engineering & Advanced Technology (EAE&AT) affiliated to ministry of military production, Cairo, Egypt.

2 Mechanical Engineering Department, Faculty of Engineering at Shoubra , Benha university.

Abstract

The hardness and wear characteristics of Al2O3/AA6063 aluminum surface composites (SCs) fabricated by Friction Stir Processing (FSP) were evaluated. The FSP process parameters effect, typically, the tool rotational and traverse speeds on the aforementioned characteristics were studied. It has been found that the Al2O3/AA6063 composite layers have higher
microhardness values when compared with the AA6063 base alloy. By increasing both the tool rotational and traverse speeds and one of them, increases(s) the microhardness of the Al2O3/AA6063 composite layers. The wear resistances of the Al2O3/AA6063 composite layers increases with increasing the tool rotational speed and/or reducing the tool traverse speed.

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