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Abstract
Cemented carbide powders milled for various times have been studied with respect to the shape and internal structure of the grains. The shrinkage of powder compacts during heat-treatment was recorded dilatometrically. The major effects of milling seem to be to alter the grain size and morphology of the powder and to form a fine dispersion of small particles of Co3O4.
Notes
* Manuscript received 7 May 1973. Contribution to a Symposium on ‘PM Alloys and Properties’, to be held in Eastbourne on 19–21 November 1973.