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研究了不同粒度镍粉对ＷＣ－９％Ｎｉ硬质合金性能和组织的影响，并对镍聚集现象给合金材质造成的不良影响进行了讨论。
The effects of different sizes of nickel powder on the properties and microstructure of WC-9% Ni cemented carbide were studied, and the adverse effects of nickel aggregation on the alloy material were discussed.