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April 2005 Features
Strength in depth counts if the going gets tough.
Dispersion-strengthened copper alloys can set the pace
in hot and high-speed applications.
Surface density holds key to auto success
Sintering and surface treatment can make PM a strong contender
in gear manufacturing materials
Tougher valve seats use two hard particles but no cobalt
Japanese researchers have produced a new material for
engine valve seats that is both cheaper and more environmentally
friendly
PM takes pole position in tungsten
heavy alloy production
Powder metallurgy is the premier manufacturing method
for a range of products from cemented carbides to armour-piercing
shells (click for full article)
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