Investigation of the Effect of Mechanical Alloying on the Wear Behavior of AA7020/Fe3O4/GNP Hybrid Composite Materials

Year 2024, Volume: 11 Issue: 4, 814 - 825, 30.12.2024

Ufuk Taşcı

https://doi.org/10.54287/gujsa.1553577

Abstract

In this study, the mechanical properties of composite/hybrid composites were investigated by reinforcing 10% Fe3O4 and 0.25% nanographene by weight into the AA7020 alloy, which is widely preferred, especially in the defense and aviation industries. The prepared mixture powders were subjected to a mechanical alloying process for 1 and 8 hours in a ball mill with a 1/16 powder-ball ratio to distribute them homogeneously. The mixed hybrid/composite powders were produced in a metal mold using a powder metallurgy hot pressing method at 250 MPa load and 575°C temperature for 60 minutes. The microstructural properties of the test samples were investigatedIn addition, density, microhardness and wear test results were examined in terms of mechanical properties. The hybrid sample with 8h mechanical alloying obtained the highest hardness value (118.5 HV) and the lowest friction coefficient (0.1965 µm).

Keywords

Mechanical Alloy, Hybrid Composite, Graphene, Fe3O4, Tribology Behavior

Supporting Institution

GAZİ ÜNİVERSİTESİ BİLİMSEL ARAŞTIRMA PROJELERİ KOORDİNASYON BİRİMİ

Project Number

FKB-2023-8950

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