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90 W‐7Ni‐3Fe refractory alloys are first sintered by hot oscillating pressure (HOP) under different oscillating frequencies (0, 1, and 10 Hz) in this work. The effects of oscillating frequencies on the microstructure and Vickers hardness are investigated. With the oscillating frequency increasing, the relative density and hardness of refractory alloys are obviously improved. Especially, the alloy...