PV Arul Kumar

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About

PV Arul Kumar is a prominent researcher in advanced manufacturing and materials processing, with a focus on electrical discharge machining (EDM) of difficult-to-machine composites. His work addresses critical challenges in machining carbon fiber-reinforced polymers (CFRP), particularly the creation of blind square holes—a geometry essential for aerospace and automotive components. In his most-cited study (30 citations), Kumar demonstrated that adding silicon carbide (SiC) powder to kerosene dielectric fluid significantly improves EDM performance for CFRP, enhancing material removal rates and surface quality while reducing tool wear. This contribution provides a practical, cost-effective solution for precision machining of composite materials, which are notoriously abrasive and prone to delamination. Kumar’s research bridges the gap between traditional EDM techniques and modern composite manufacturing needs, offering insights into powder-mixed dielectrics and process optimization. His work is widely referenced by engineers and researchers seeking to improve machining efficiency for high-strength, lightweight materials, underscoring his impact on sustainable and high-precision manufacturing technologies.