Literature review demonstrates enhanced mechanical properties and defect reduction in 3D-printed Ti-6Al-4V nanocomposites, highlighting the critical role of nanoparticle loading.
Additive manufacturing is increasingly adopted across industries for producing complex, high‐performance components with reduced material waste, yet optimizing build quality remains challenging. Reinforcing Ti‐6Al‐4V, a lightweight, biocompatible alloy widely used in biomedical, aerospace, and automobile industries with nanoparticles to form metal matrix nanocomposites (MMNCs) offers a promising solution. This review examines current Ti‐6Al‐4V MMNC preparation methods for AM, linking nanomaterial incorporation to improvements in microstructure, porosity, thermal behavior, nano‐hardness, and tensile strength. Uniquely synthesizing these MMNCs, the review highlights literature‐reported nanoparticle loadings that are often associated with defect reduction and improved build quality. Fine‐tuning nanoparticle content and process parameters is crucial for tailored microstructures and superior mechanical performance in AM‐fabricated MMNCs. The process parameters to fabricate MMNC and the current state of art synthesizing methods are presented and discussed. The challenges and future research requirements in the field of different types of metal additive manufacturing to fabricate components with improved part quality are presented.
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Onyeji et al. (2026) studied this question.
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