19.11.2003 Pressing & Sintering

Lubricants for Compaction of P/M Components

PTECH2003, in Guarujá, São Paulo, Brazil. Authors: Mats Larsson, Maria Ramstedt. In the production of P/M components admixed lubricant in the metal powder mix is the most common way to achieve the lubrication needed during compaction and ejection of the components. However, the type of lubricant not only influences the compaction, but also the properties of the powder mix, as well as the properties of the green component. In this paper a comparison is made between four types of lubricants; zinc stearate, amide wax, Kenolube® and Metallub®. The properties of GS-lube, a lubricant designed for high green strength, are also presented.