fabricacion aditiva laser

Description

Our projects mainly focus on industry, and we carry them out in collaboration with nationally and internationally leading companies in the sector (powder and equipment manufacturers and producers of components and systems based on them).

Research lines

  • Metal powder and composite material atomization. Powders for use in additive manufacturing, magnetic materials and the automotive and aeronautic sectors.
  • Hard and superhard materials. Cutting tools and tools for hot and cold forming. High-entropy alloys and components with high dimensional accuracy. Superabrasive materials (diamond and cBN). Sectors: advanced manufacturing, mining, civil works, oil and gas.
  • Powder metallurgy steels. Development of air-hardening alloys. Surface treatments. Automotive sector.
  • Hot isostatic pressing. Aeronautics sector.
  • Magnetic materials. Manufacture of hard and soft magnetic materials using powder metallurgy routes. Atomization of FeSiB and NdFeB powders. Magnetocaloric materials. MIM processing of soft magnetic materials. Aeronautics sector (EMA). Hoisting and lifting, household appliances.
  • Materials for extreme applications:
  • High-performance fiber-reinforced ceramic composites for combustion systems. Porous materials based on SiC, high silica and other fibers. Use of unclassified fibers. Energy sector.
  • Creep-resistant steels. ODS. Energy Sector.
  • Alloys for nuclear fusion reactors. Self-passivating tungsten-based alloys. SiC components.
  • Thermo-optical coatings
  • Components for braking systems. Sintered multi-compounds. Transportation sector (railway, automotive).

Research lines Additive Manufacturing

  • Additive manufacture design both for selective laser melting (SLM) and laser metal deposition (LMD).
  • HIP post-processing to improve product properties after additive manufacture.
  • Design of metal powders for additive manufacturing.
  • Development and optimization of laser processes:
  • Femtosecond laser surface processing.
  • Marking via laser interference.
  • Additive manufacturing of metal pieces via LMD.
  • Cladding to repair or coat pieces manufactured via other methods.
  • Heat treatments (hardening and softening), polishing and surface finishing.
  • Remote laser welding with and without filler material. Welding of different materials.

Equipment

  • Milling/Mixing: Ball milling, Túrbula mixing, Planetary mill, Jet Mill, SPEX, etc.
  • Compaction: Several Uniaxial presses up to 100 Ton instrumented, CIP (300 MPa).
  • Sintering: Several Furnaces up to 3000ºC, wide range of atmospheres. High Vac (Ti alloys).
  • Hot press: 1500ºC, 20 Tons.
  • HIP: (2200ºC and 200MPa, 2.7 litres useful capacity.).
  • Extrusion unit for ceramic pastes.
  • Gas and Water atomizer (10 kgs/run).
  • Microscopy :
    • Optical microscopes (Image analysis).
    • SEM: Philips XL30, Philips XL30CP, Microscopio FEG-SEM JEOL JMS, 7000JF , ZEISS Sigma 500, both with EDAX and EBSD.-TEM/STEM, 200 KV, JEOL JEM-21003.
    • Focused Ion Beam (FIB) Microscope Dual-Beam FEI Quanta FEG 3D.
    • Atomic force microscopy - Magnetic Force microscopy (AFM/MFM).
  • XRD diffractometer and goniometer: phase id. + residual stresses + texture analysis.
  • Chemical Analysis by Optical Emission spec.(OES-PECTRO), IR spec. (LECO analysers for C, O, S, N) and Inductively coupled plasma spec. (ICP-AES).
  • Laser scattering equipment for measurement of powder particle size distribution.
  • Analysis of sintering atmospheres: sensors of H2, CH4, dew point, PO2, CO, CO2, etc.
  • DSC, DTA,TGA and Dilatometry up to 1600 ºC in different atmospheres.
  • Thermal diffusivity (Netzsch) up to 1000 ºC.
  • Electrical conductivity (and Seebeck coeff.) up to 800 ºC.
  • Corrosion equipment: potentiodynamic and potentiostatic test.
  • Hg porosimeter AUTOPORE 9500-micromeritics.
  • Z potential measurement equipment: stability of powder suspensions.
  • Hardness: HV, HRA, HRC, HRB, etc.
  • Tensile, compressive and Bending tests (up to 1400 ºC).
  • Toughness, fatigue and crack propagation testing.
  • Thermomechanical Fatigue.
  • Creep (up to 1500 ºC).
  • High strain rate tensile testing (up to 14 m/s and 1600 ºC).
  • Laser Speckle non-contact extensometry.
  • Measurement of elastic properties up to 1000 ºC.
  • Equal channel angular pressing (ECAP) and CGP.
  • Nanoindentation: Nanoindenter II (MTS) and TriboIndenter (Hysitron).
  • Profilometry.
  • Optical microscopy for tool wear measurements.
  • Metrology (roundness, 3D measuring machine).
  • CNC machining centers : instrumented drilling, milling and turning.
  • Grinding machines.
  • Erosion, abrasion tests.
  • Microblasting.
  • Non Destructive testing (Barkhausen noise, Eddy currents, Magnetic flux ): quality of ground surfaces (grinding burns).
  • Modelling tools: Commercial codes: ABAQUS, ANSYS, Thermocalc (R), Dictra.

AM and Laser Equipment

  • Multifunction Cell Laser:
    • KUKA head with motorized collimator. Applications:
    • Additive manufacturing
    • Cladding.
    • Raylase 3D scanner. Applications:
    • Heat and finishing treatments.
    • Remote laser welding with and without filler material.
    • IPG 4000 W continuous wave fiber laser with four delivery modes.
  • HIP equipment for closing pores and improving the properties of pieces made with additive manufacturing. Ceit-IK4 has been performing HIP since 1986, when an ASEA QIH-6 HIP unit was installed. This model reaches pressures up to 2000 atmospheres (200 MPa) and temperatures up to 2000 ºC (via a graphite heating element) or up to 1450 ºC (via a molybdenum heating element).
  • Atomizer to produce metal powder for additive manufacturing. Hybrid atomizer for water or gas atomization. The unit can blend a wide range of pure and alloyed metals in a vacuum or under controlled atmospheric pressure.
  • High repetition rate nanosecond laser
  • Femtosecond pulse laser.
  • General purpose nanosecond laser.