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ST2 - Surface Treatment Technologies, Inc.
Laser Alloying

Laser Induced Surface Improvement

Steel Corrosion Protection

Comparison of LISI Processed Plain Steel and 304 Stainless Under Accelerated Corrosion Conditions

Steel Corrosion Protection

A - Carbon Steel 24 Hrs
B - LISI Surface on Carbon Steel 232 Hrs
C - 304 Stainless 232 Hrs

  • Salt-fog chamber testing performed by Wright Laboratories, Carderock, UTSI, and independent test laboratories
    • modified surfaces perform like similar bulk metals
    • salt fog tests for over 3000 hours with no deterioration
  • Polarization studies conducted in two separate efforts at NSWC Carderock
    • results show good corrosion behavior for steel and aluminum surface treatments
    • superior to current wet coating applications
  • LISI modified surfaces joined by conventional welding techniques exhibit no corrosion

 

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