Surface hardening and homogenization technology of metallic materials with high-power diode lasers (beam dimension: 20-2500 mm²)

Numerical computation and real-time control technology of optimum laser heat treatment temperature

 

Client / Market

• Mold manufacturing and high-performance coating industry

 

 

Necessity of this Technology

• Unlike conventional heat treatment technology, it is possible to selectively harden and homogenize the surface of molds
• Maximization of durability for various die molds under demanding service environment

 

Technical Differentiation

• KIMM Laser Industrial Technology Research Group has a high-power (4, 8 kW) diode laser system together with key processing technologies of laser surface hardening and homogenization
• The key processing technologies are combined with laser nitriding and special coating processes

 

Excellence of Technology

• Laser nitriding: In the case of mold steels, the surface hardness can be improved by 200% linked with the formation nitriding layer
• In laser homogenization treatment for HVOF sprayed coating, it is confirmed that inherent defects (pore, macrosegregation) are removed as compared with the assprayed

 

 

KNOW-HOW

• Key processing technology of surface hardening and homogenization with highpower diode lasers (beam dimension: 20 to 2500 mm²)
• Metallurgical analysis and mechanical testing after surface hardening and homogenization treatment