Abstract
The effects of addition of polyethylene wax on the synthesis of Cu-Ni alloy (Monel) with 50wt%Ni processed in a high energy ball mill were investigated by X-ray diffraction. The Monel powder was characterized by laser particle size measurement and scanning electron microscopy. The results showed that the addition of wax at the beginning of milling causes a delay in alloy formation, and the particle shape obtained was essentially flaky. However, a strong effect was observed on the shape and particle size distribution when wax was added to the Monel powder with a flaky shape previously processed without wax. The particle shape changed from flake to more irregular and the median particle size decreased from 55 μm to 7.5 μm after 4 hours of milling.
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