PRODUCTION OF AA7075/B4C COMPOSITE MATERIALS BY SEMI-SOLID STIRRING METHOD

Authors : Rifat YAKUT, Nilhan ÜRKMEZ TAŞKIN

Pages : 230-240

Doi:10.36222/ejt.596420

View : 21 | Download : 10

Publication Date : 2019-12-30

Article Type : Research Paper

Abstract :AA7075 aluminum alloy was reinforced with B 4 C particles to produce aluminum composite materials. In the production of AA7075/B 4 C composite materials, semi-solid mixing methods were applied for homogen reinforcement dispersion then low pressure solidification.  For the determination of the mechanical properties of the obtained samples; three point bending, compression and hardness tests were performed. In addition, microstructure, reinforcement matrix interface and chemical structure of the composite material produced by SEM, EDS, XRD analysis were examined. As a result, it was observed that; using the semi-solid mixing method the reinforcing powders could be distributed homogeneously into the matrix, both chemical and mechanical bonding could be occurs between the matrix and the reinforcing material and this mixing technique could be easily used in the production of particle reinforced metal composites. 
Keywords : Aluminum, B4C, Metal Matrix Composites, Semi Solid Stirring