Enhanced microstructural and mechanical properties of Alumix 13 matrix hybrid composites reinforced with B4C and SiC
Source abstract
Abstract
This study produced B4C and SiC reinforced hybrid/composite samples using powder metallurgy with pre-alloyed Alumix 13 matrix (Al-4.5% Cu-0.5% Mg-0.05% Si). B4C and SiC were added at 5% by weight and mixed in a two-dimensional ball mill for 60 min to ensure homogeneous distribution. The mixed powders were compressed at 700 MPa and sintered at 575?C for 60 min. Hardness values were compared with the highest in samples containing 5% hybrid composite materials. Microstructural characterization of B4C and SiC particles in the Alumix 13 matrix was performed. Alumix 13 matrix was chosen for its favorable mechanical properties and compatibility with reinforcement particles. Ball milling ensured adequate mixing for uniform dispersion while pressing at 700 MPa created dense samples necessary for successful sintering. Hardness analysis showed a significant improvement with 5% hybrid, and microstructural investigation provided information on particle distribution and bonding quality. This work demonstrates the potential of B4C and SiC-reinforced Alumix 13-based hybrid/composites for applications requiring enhanced hardness. It provides valuable data for future research in powder metallurgy and hybrid composite manufacturing.
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Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Advanced ceramic materials synthesis · Additive Manufacturing and 3D Printing Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Technical Sciences Vocational School, Gazi University, Ankara, Turkey
References (36)
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