Abstract
The character of the relationship between the coefficient of plasticity of a ferrite powder and its specific surface is determined by the particle shape and size of the powder. Because of this, such curves can be employed for undirectly assessing the morphological characteristics of ferrite powders. The addition of polyvinyl alcohol has been found to have a marked deleterious effect on the plasticity of ferrite powders. The character of the relationship between the coefficient of plasticity of a ferrite powder and its water content has been established. Stability of water content is shown to be an important factor, ensuring high quality of compacts, minimizing waste due to cracking, and decreasing the rate of wear of die sets.
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