Abstract
Comminution is one of the key steps in the manufacture of permanent magnets of SmCo alloys because the structural and magnetic properties of the resultant powders, determined largely by the comminution parameters, determine the quality of the finished magnet. This paper investigates and compares two forms of comminution--one carried out in a disintegrator and the other in a vibratory mill--and their respective effects on the fine crystal structure of the powders by analyzing the diffraction angle dependence of the physical broadening of x-ray lines.
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