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2014年3月28日星期五

Molybdenum Carbide Powder

Molybdenum Carbide  Powder (Mo2C, 2.5um, High Purity 99.9%, Hexagonal, metal basis)
APS: 2.5um
Purity: 99.9%
Color: Dark Gray
Carbon: 5.85%
Free Carbon: 0.3%
O: <0.5%
Molybdenum Carbide Powder
Ultrafine molybdenum carbide powder is prepared through a special process method. It is a close-packed hexagonal lattice, also face-centered cubic lattice. the molybdenum carbide does not react with anaerobic acid , soluble in nitric acid and aqua regia obtaining carbon. Density: 9.18g/cm3; Melting point: 2690±500oC. It has a higher melting point and high hardness, good thermal stability and mechanical stability, excellent corrosion resistance. Applications: ultrafine molybdenum carbide powder can be used as a coating material, can also be used as the added material, widely used in various high temperature, abrasion and chemical resistant etc.um Carbide Mo2C Powder

Molybdenum Carbide-Mo2C


Molybdenum carbide (Mo2C) can occur in many crystalline forms, the most common of which is α-Mo2C and β-Mo2C.
Mo2C Powder
 It is the latter phase which is stable at low temperatures and occurs in steels. β-Mo2C has a close-packed hexagonal crystal structure with the carbon atoms located in one half of the available octahedral interstices. The lattice parameters assumed for the diagrams below are a=0.3007 nm and c=0.4729 nm.


Mo2C
Projection of four unit cells. The numbers indicate the fractional coordinates along the z-axis. The black atoms are carbon and the blue molybdenum.
Mo2C_x
Two molybdenum and one carbon atom per unit cell.
Mo2C_yocta_z
As the projection along the z-axis, but with most of the atoms removed to show carbon in an octahedral interstice.
octa
Carbon in an octahedral interstice.