Results

1
LASER FUSED NANOCRYSTALLINE COMPOSITE COATINGS
FROM FE-BASED AMORPHOUS ALLOYS TO IMPROVE WEAR
RESISTANCE
U.S. Mining Industry Consumes 1,246 Trillion
Btu/year 409 TBtu/yr Could Be Saved from RD
Improvements Mining Industry Energy Bandwidth
Study U.S. Department of Energy , Industrial
Technologies Program

• NanoCompositeTechnology
• Iron Based Amorphous Powders with High Hardness
  and Wear Resistance
• Controlled Nanocrystalline Structures
• Wear Resistant Coatings on Common Steel
  Substrates

Atlanta, GA
Arrowhead, CA
Gotthard Tunnel, Switzerland

• Tunnel Boring Application
• Tunnel Boring Machines Use 2,000 to 14,000 kW
• 45 Down Time Due to Wear of Disc Cutters
• Current Disc Cutters Are Hardened H13 Steel,

• Results
• Over 12 Tons of Amorphous Fe-Based Powder
  Produced
• 200 µm Thick Coating in Preliminary Field Trial
  Increased Life by 20
• 10 Decrease in Energy Consumption
• Optimized, Thicker Coatings for Gotthard Tunnel
  and Other Field Trials Expected To Decrease
  Energy Consumption Further

EERE, Industrial Technologies Program DARPA, DSO,
SAM Program OCRWM, Yucca Mountain, HPCRM
OAK RIDGE NATIONAL LABORATORY MANAGED BY
UT-BATTELLE FOR THE DEPARTMENT OF ENERGY