DED (Direct Energy Deposition) additive manufacturing processes such as the CLAD® process from IREPA LASER can be used to manufacture, repair or locally reinforce functional parts (or textures) by locally depositing metallic materials. They make it possible to locally make complex functional shapes on double-curvature parts delivered from other manufacturing processes.
Description
Examples
Our expertise
Training
Description
DescriptionExamplesOur expertiseTraining
Repairs and addition of features
The CLAD® additive manufacturing process makes it possible to repair or add functions by locally depositing material on critical areas of mechanical parts subject to high stress or strain.
Defect correction
Improvement of mechanical performance
Change in surface properties depending on strain
The material in powder form is injected in a nozzle coaxial with the laser beam, and then fused to create a deposit on the substrate.
This process is used for:
locally reinforcing and repairing parts
adding new shapes or features to parts delivered by other processes (machining, additive manufacturing, sheet metal working etc.)
The addition of functions is a technique that uses CLAD® (direct additive laser construction) additive manufacturing developed by IREPA LASER, which is part of the DED (Direct Energy Deposition) family of additive manufacturing processes.
The method makes it possible to melt metallic powders on an existing functional part using laser technology to build additional 3D shapes or textures on the surface of flat or double-curvature parts. The aim is to enable a new function through additive manufacturing.
Building is possible with many types of metallic material in the form of powder, such as stainless steel, titanium alloys (Ti), nickel bases (Ni) or some tool steels.
That technique of adding functions has applications in several industries such as aviation, space, medical engineering or the energy industry.
Materials regularly used:
stainless steel (316L, 304 etc.)
Ti alloys (TA6V etc.)
Ni base (Inconel 718, 713, etc.)
tool steel
Benefits
Longer life of parts
Repairs of used or worn parts
Repairs of high added-value parts
Adaptation of the nature of the material depending on strain (friction, wear and tear, corrosion etc.)
Localised mechanical reinforcement
Saves high added-value materials
Advantages
Very low dilution
Dense depositions
Localised treatment
Low deformation
Improved surface condition
Large choice of materials available
Examples of applications
Parts are repaired in different areas of industry: automotive (valves, cylinder heads, anti-corrosion coating), defence (arms), energy (drilling tools, turbine blades), aviation (dynamic seals, MRO), medical engineering (prostheses, implants).
The CLAD® additive manufacturing process developed by IREPA LASER is based on the depositing of metallic powders, and makes it possible to repair parts by reconstructing damaged or worn parts.
Advantages
Fine and localised repairs, including of delicate parts
Number of approved materials: Ni base, Ti base etc.
Life span increased five fold
Aeronautics
Repairs of engine parts
The CLAD® additive manufacturing process developed by IREPA LASER is based on the depositing of metallic powders, and makes it possible to repair parts by reconstructing damaged or worn parts.
Advantages
Fine and localised repairs, including of delicate parts
Number of approved materials: Ni base, Ti base etc.
Life span increased five fold
Localised improvement of the mechanical characteristics of the Z profiles of blades.
Because the thermal energy of the laser is controlled, the integrity of the substrate is protected.
Advantages
Management of the thermal impact
Reduction of dilution
Dense depositions that are metallurgically linked to the substrate
Automatic and rugged process
Energy
Building up of blades
Localised improvement of the mechanical characteristics of the Z profiles of blades.
Because the thermal energy of the laser is controlled, the integrity of the substrate is protected.
Advantages
Management of the thermal impact
Reduction of dilution
Dense depositions that are metallurgically linked to the substrate
Automatic and rugged process
The laser building up process is used to locally repair cylinder head gaskets.
Advantages
Longer life of parts
Localised mechanical reinforcement
Wide range of materials adapted to strain
Process that can be automated
Automotive
Robotised building up of aluminium cylinder heads
The laser building up process is used to locally repair cylinder head gaskets.
The CLAD® (direct additive laser construction) process offers the possibility to work on parts with large or small volumes, while guaranteeing high precision and excellent metallurgical qualities.
Our training modules are based on alternating theory lessons and practical demonstrations on machines.
Using our machine base, we guarantee the use of practical case studies for a better understanding of the processes.
