| 1. |
A study was made of the possibility of adding surface-active substances to a plasticizer (paraffin wax) and their effects on the extrusion characteristics of hard-alloy mixtures and quality of finished parts. It was established that the addition of 1% of a SAS to 5% of paraffin wax facilitates deformation through an adsorption effect, the extrusion pressure thus being lowered by 100 kg/cm2.
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| 2. |
Surface-active substances considerably simplify the preparation of a mixture for extrusion by eliminating the process of repeated mixing through a multiple-channel die.
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Translated from Poroshkovaya Metallurgiya, No. 2 (86), pp. 11–13, February, 1970.