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Through hardened
Laser hardened saw blades
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Principle
Rapid short-term heating
- local heating of thin surface layer
- unconventional high austenitization temperature
Short hold time (0.01 s to 10 s)
- Homogenization of carbon distribution
- Propagation of austenitization front into material
High quenching velocity
- Selfquenching due to rapid heat conduction to the interior
Advantages
- Outstanding wear properties
- Higher fatigue strength
- Lower loss of ductility at higher surface hardness
- Smaller dimensional deviation
- Selective Hardening of single surfaces or edges
- Surface temperature control possible
- Self quenching process
- Applicable for any material that can be hardened
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