January 2007 features...The use and effect of lubricants during compaction and ejection of metal powder has long been studied from a macro perspective, assessing effects of different factors but ignoring the actual mechanisms through which they operate. A Swedish research group has looked at the physical interaction between the metal powder, lubricant and tool wall on a microscopic level...
Finding a future for manganese by cutting costs
The yo-yo prices of commodities
have affected the powder metals market as much as others. PM
producers are looking hard at materials they may once have
discounted in order to gain commercial advantage. Joe Capus
reports…
Long life demands spark probe into tool performance
Chinese cobalt, spark-plasma
sintering and functional gradients were amongst the many topics
discussed by hard materials experts at EuroPM2006 in Ghent. Ken
Brookes reports...
Coating points a way for synthesis of tough
intermetallics
Particle coating is a suitable
route to homogenous fine intermetallic powder mixtures. It has
the advantages of easy control of the alloying content and
regular distribution of the elements, favouring sintering and
homogenisation...
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