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ASM Handbook

Powder Metallurgy

Edited by
P. Samal
P. Samal
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J. Newkirk
J. Newkirk
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ASM International
Volume
7
ISBN electronic:
978-1-62708-175-7
Publication date:
2015
Book Chapter

Powder Metallurgy Refractory Metals and Alloys

Published:
2015

Abstract

This article focuses on the selection, properties, and applications of powder metallurgy refractory metals and their alloys, including tungsten, molybdenum, tantalum, niobium, and rhenium.

Abstract

Refractory metals are extracted from ore concentrates or scrap, processed into intermediate chemicals, and then reduced to metal, usually in powder form. This article discusses the raw materials needed and the processing steps for producing pure and alloyed refractory metal powders. The effects of processing conditions on the physical and chemical properties of tungsten, molybdenum, tantalum, niobium, and rhenium powders are reviewed.

Abstract

This article discusses the pressing and sintering of various refractory metal powders for the production of intermediate products as well as special cases of finished products. The metal powders considered include tungsten, molybdenum, tantalum, niobium and their alloys, as well as rhenium.

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2015. "Powder Metallurgy Refractory Metals and Alloys", Powder Metallurgy, P. Samal, J. Newkirk

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