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Molybdenum

Molybdenum

 
PHYSICAL DATA

          Atomic Number

          42

          Atomic Weight

          95.94

          Density [ 20°C / 68°F ]

          10.22 g/cm3

          Melting Point

          2610 °C

GENERAL INFO
          History

Discovered in 1778 by Carl Wilhelm Scheele in Sweden.  It was isolated in 1782 by Peter Jacob Hjelm in Uppalas, Sweden.  The name is derived from the Greek word "molybdos" meaning lead.

          Uses
  • Sulfide can be used as high temperature lubricant.
  • Used to make catalysts.
  • Used in steel making to improve hardness, toughness, wear resistance, and elevated temperature strength.  Also improves hardness penetration.
FORMS
          Typical
          Pure forms: Molybdenum compounds:
  • Ingots
  • Powder
  • Minerals (molybdenite)
  • Oxides
  • Molybdenum Bearing Alloys
  • Molybdenum Bearing Ferro Alloys
          F.W.W.
   

Acknowledgements

  
F.W. Winter
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