Mechanical Milling: Evolution of Crystal Parameter of Iron Powder
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ABSTRACT:
The purpose of the present research was to analyzed the evolution of crystal parameter of iron powder exposed to the mechanical milling.
The experiments of iron powder milling were done in a planetary mill with balls of high energy on different time interval.
The iron powder with 99.9 % purity was introduced in four vials, having every one an average mass of 1.750 kg, varying the number and the diameter of balls.
It was noticed from the experiment that there is a tendency to increase accentuated the crystallographic parameter in the interval of 7.5 – 9 mm ball radius. It also was admitted from the experimental data that the same interval to be more efficiently on milling from point of view of evolution of crystal parameter.
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