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Why we use Lambda?
 First curve shows our MetaLLife T-41H process
remaining curves show MetaLLife + ThermaLLifeÒ combination processes.  The ThermaLLifeÒ surface is in the mid 70Rc range.

Compressive Stress Values as a function of Depth
(1000psi = 1ksi = 6.9mpa = 6,895,000pa)

Readings performed late Dec 2001

values above 0 on the "y" axis show tensile stress - allows crackings

values below 0 on the "y" axis show compressive stress - stops cracking

VALUES FROM H-13 COUPON SAMPLES HARDENED TO 44-46Rc

Good surface compression (-120Ksi) and depth with
topography

Some surface compression (-60Ksi) but shallow depth no topography change.

Both surface compression and depth values exhibit some loss when
ThermaLLifeÒ  is applied after MetaLLife. Topography is still evident.

High surface compression and depth when MetaLLife
is applied after ThermaLLifeÒ. No topography

Highest surface compression and depth when MetaLLife 
T-41H (high intensity) is applied over the ThermaLLifeÒ process
slight topography.

View Combined Graphs for the three Highest Compression Protection