Laser
Induced Surface Improvement
Technical
Advances
- Permits
precise selection of area to be modified
- Requires
a very small amount of modifier alloy
- Results
in extremely rapid heating and cooling of the surface
- Produces
wide variety of chemical and microstructural states outside
of typical phase diagrams
- Produces
no distinct bondline; will not delaminate
- Requires
little or no surface preparation for certain applications
- Produces
minimal hazardous waste stream
- Performed
remotely with robotics and fiber-optics
- Performed
at rates between 20-50 sq.ft./h

LISI
layer/base alloy transition In A356 Al |
|

Surface
adhesion of LISI layer: stainless On 1010 steel |
-CONTINUED-
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