Application segmentation delineates the demand drivers for the Copper-based Amorphous Alloy market by end‑use. Electrical & electronics (≈35 % of revenue) dominate because the alloys’ high conductivity and soft magnetic properties enable compact transformers, inductors, and power‑conversion modules, directly influencing system efficiency. Automotive (≈25 %) follows, where the alloys support lightweight electric motor rotors, sensor housings, and high‑frequency ignition coils, contributing to vehicle weight reduction and energy‑saving targets. Aerospace & defense (≈15 %) leverages the alloys’ superior corrosion resistance and fatigue strength for structural components, radar enclosures, and stealth technology, generating premium‑priced contracts. Industrial machinery (≈15 %) utilizes the alloys in high‑speed gearboxes, magnetic bearings, and precision tooling, where durability under cyclic loads is critical. Renewable energy (≈10 %) applies the material in wind‑turbine generators and solar inverter cores, aligning with decarbonization incentives. Collectively, these application clusters shape the overall market size, and the phrase “Copper-based Amorphous Alloy segmentation” underscores their analytical relevance.