Historical Introduction to Refractory Metals

  title={Historical Introduction to Refractory Metals},
  author={Fathi. Habashi},
  journal={Mineral Processing and Extractive Metallurgy Review},
  pages={25 - 53}
  • F. Habashi
  • Published 1 January 2001
  • Physics
  • Mineral Processing and Extractive Metallurgy Review
Abstract Refractory metals vary in relative abundance in the Earth's crust from highly abundant like titanium (0.44%) to the least abundant rhenium (1.0 × 10-7%). A major part of these metals occurs as oxides and complex oxides (Ti, V, Cr, Nb, Ta, W), two as sulfides (Mo, Re), and the remaining two (Zr, Hf) as silicates. Due to the lanthanide contraction and being transition metals, some of them have the same atomic radii: Zr-Hf, Nb-Ta, and Mo-W and have very similar properties. Due to these… 
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Plasticity in body centered cubic (bcc) refractory metals are largely due to the stress tensor induced either by solute or thermal activation. The mechanism of the solute atom(s) residence causes
The Application of Cretaceous Clay Minerals of Mjez El Beb (North-Western Tunisia) in Ceramic Industry
The Cretaceous clays of north-western Tunisia have been studied for their use in the traditional ceramic industry (bricks, tiles and pottery). Mineralogical, chemical, thermal analyses, technological
Effect of Molybdenum Incorporation on the Structure and Magnetic Properties of Cobalt Ferrite
We report on the effect of molybdenum (Mo) incorporation on the crystal structure, surface morphology, Mo chemical valence state, and magnetic properties of cobalt ferrite (CoFe2O4, referred to CFO).
Structural And Mechanical Characterization Of Nanocrystalline Tungsten And Tungsten-Based Alloy Thin Films For Extreme Environment Applications
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First-Principles Study of Structural, Mechanical, and Thermodynamic Properties of Refractory Metals (Rh, Ir, W, Ta, Nb, Mo, Re, and Os)
The structural, mechanical, and thermodynamic properties of refractory metals Rh, Ir, W, Ta, Nb, Mo, Re, and Os have been systematically investigated by first-principles calculations based on density
A Study of the Peculiarities of Molding and Structure Formation of Compacted Multicomponent Silicide Composites
Technology for the preparation of carbide and multicomponent powders from scrap of hard alloys and tungsten anhydride for further use in the formation of eutectic coatings have been developed in the
Microstructure, mechanical and electrical properties of nanocrystalline W-Mo thin films
The effect of sputtering pressure on the surface/interface microstructure, crystal phase, mechanical properties and electrical characteristics of nanocrystalline W-Mo films is reported. The W-Mo
Review: additive manufacturing of pure tungsten and tungsten-based alloys
Tungsten is a refractory metal that has a wide range of applications in many fields. However, its high ductile-to-brittle transition temperature limits its processing and machining. While additive


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