This study investigates composites and intermetallic, examining their microstructure, characteristics, and applications. The research demonstrates the complicated link between these materials’ fundamental features and their possible practical applications by analysing mechanical strength, thermal conductivity, microstructure, and reinforcement percent. The study discovers a positive relationship between mechanical strength and thermal conductivity, implying the possibility of capitalising on increased strength for enhanced heat transfer. Furthermore, the impact of matrix phases on mechanical properties emphasises the strategic significance of matrix selection. The impact of reinforcement fraction in fine-tuning characteristics highlights the importance of microstructure as a silent architect affecting material behaviour. In conclusion, this study provides insights into the intricate interaction of material characteristics, opening the way for informed material design and application engineering.