The powder metallurgy processing of refractory metals and alloys

• Molybdenum and tungsten are refractory metals in the elemental form with the largest production volume in the world. The fabrication of these refractory metals, as wall as their alloys and intermetallics, using high-temperature powder metallurgy (PM) is reviewed in this article. The primary focus is on the role of traditional high-temperature PM in producing alloys with tailor-made properties. An insight into the bulk production of molybdenum and tungsten alloys with nano-grains is highlighted.

Nyckelord

intrinsic reduction kinetics

hydrogen reduction

tungsten-oxide

moo3

gas

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ref (ämneskategori)

art (ämneskategori)