WHAT IS BULK METALIC GLASS (BMG)?

AMORPHOUS METAL

An amorphous metal, also known as bulk metallic glass (BMG) is a solid metal alloy with disordered atomic-scale structure. These metal alloys are special in that they have a unique ability to stay amorphous when cooling from their molten liquid phase to solid phase as long as they are cooled fast enough. The material structure of the alloy stays disordered, putting it in what’s called a glassy state. These alloys are composed of a special combination of metals that give them good glass-forming ability (GFA).

AMORPHOUS METAL

An amorphous metal, also known as bulk metallic glass (BMG) is a solid metal alloy with disordered atomic-scale structure. These metal alloys are special in that they have a unique ability to stay amorphous when cooling from their molten liquid phase to solid phase as long as they are cooled fast enough. The material structure of the alloy stays disordered, putting it in what’s called a glassy state. These alloys are composed of a special combination of metals that give them good glass-forming ability (GFA).

PROPERTIES

  • High Yield Strength
  • High Hardness
  • High Elastic Limit
  • Low Youngs Modulus
  • Low Density

ADVANTAGES OF BMG

  • High wear resistance & natural anti-galling properties
  • Potential to use in some tribological applications without lubrication
  • High scratch resistance
  • Very strong corrosion resistance
  • One of the most elastic metals
  • Superior performance cryogenic environments
  • Reduction of weight compared to steel

MANUFACTURING ADVANTAGES

  • Injection mold net-shaped casting
  • Almost zero shrinkage when formed
  • Excellent surface finish as cast
  • Easily adjust production quantity
  • Reduction of cost-per part at scale manufacturing