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Mechanical and Physical Properties Observations for Cu-Gr-SiC Composite Synthesized by Powder Metallurgy | ||
| Mechanics of Advanced Composite Structures | ||
| مقاله 6، دوره 13، شماره 2 - شماره پیاپی 28، بهمن 2026، صفحه 339-345 اصل مقاله (687.35 K) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22075/macs.2025.37505.1840 | ||
| نویسندگان | ||
| Avinash Sharma* ؛ Rajesh Kumar Porwal | ||
| Faculty of Mechanical Engineering, Shri Ramswaroop Memorial University, Lucknow, India | ||
| تاریخ دریافت: 05 اردیبهشت 1404، تاریخ بازنگری: 30 تیر 1404، تاریخ پذیرش: 10 شهریور 1404 | ||
| چکیده | ||
| This study examines the mechanical and physical properties of copper-graphite-silicon carbide (Cu-Gr-SiC) metal matrix composites (MMCs), focusing on parameters such as density, micro-hardness, compressive strength, flexural strength, and EDX analysis. Composites were developed using 5 wt.% graphite and varying SiC content (0–15 wt.%), using powder metallurgy techniques. The sintered density decreased from 8.23 g/cc for pure copper to 6.09 g/cc for the composite with 15 wt.%SiC, attributed to the lower densities of the reinforcing phases. Micro-hardness increased from 56 HV to 74.2 HV with rising SiC content, reflecting the hardening and grain refinement effect of SiC. Flexural strength reached a maximum of 200 MPa at 15 wt.%SiC, while compressive strength improved up to 5 wt.% SiC but declined at higher concentrations due to increased brittleness. EDX analysis confirmed uniform dispersion of reinforcements with minimal oxidation. These results support the use of Cu-Gr-SiC MMCs in demanding applications, with an optimal balance between reinforcement and mechanical performance. | ||
| کلیدواژهها | ||
| Metal Matrix Composite؛ Micro-hardness؛ Compressive strength؛ Flexural strength؛ Energy Dispersive X-ray (EDX) | ||
| مراجع | ||
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