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Dynamic and Smart Systems Laboratory

The laboratory is a state-of-the-art facility for the development and characterization of smart material systems. A range of experimental devices provides the capability to perform comparative testing for shape memory alloy actuators. The devices that will be used for the proposed research are:

 

Axial Torsion Bose 3300 ElectroForce with environmental (temperature control) chamber Bose2

 

 

 

 

 

 

 

 

Phenix PXM for Additive Manufacturing by Laser Melting PXM2

We have extensive experience in additive manufacturing of metal parts by Laser Sintering. Laser Sintering initially arose from rapid prototyping. However, Laser Sintering is breaking into other domains among the fabrication of prototypes and models by now. As an innovative freeform fabrication method, Laser Sintering is predestinated for the direct production of complex metal parts. By adding material in layers instead of removing material, Laser Sintering provides potential for the production of complex parts with internal features which may not be produced by any other method. Furthermore, no tools besides a laser are required for Laser Sintering. That's why Laser Sintering provides an economic and rapid method for the production of small batches and even for single parts! Today, Laser Sintering can be applied for the production of ready-to-use parts or components not only in the fields of industrial, automotive and aerospace but for medical and dental devices, too.

Laser Sintering starts with a powder material (typical particle size < 45 µm) and a CAD model of the later part. This model has to be sliced into several layers (typical layer thickness: 30 µm). Every layer contains specific information about the part’s geometry. The Laser Sintering procedure is a cyclic process of three steps:

The Lab has available a Laser Sinter system of type Phenix PXM. This system is equipped with a 300 W Ytterbium fiber-laser (cw, l = 1070 nm, Æfocus  ≈ 100 µm, TEM00). The operation range is 140*140*100 mm. Each process is carried out in Nitrogen or Argon to avoid oxidation of the material. With this system we mainly process materials like Nitinol, stainless steels, Titanium and Ti-alloys.

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EnvisionTEC ULTRA for Additive Manufacturing of Polymers

  • Selectively Photocure) technology to quickly 3D print highly accurate parts from STL files
  • A single material is used for both build and support
  • Easily removable partially cured perforated supports
  • Layerless technology with no stair-stepping on inner and outer surfaces

 

 

 

 

 


 

Techne FB-08 Series Precision Fluidized Baths Bath

  • Exceptional temperature stability and uniformity for heat treatment of Nitinol and platinum device
  • 50 °C to 700°C (122-1292°F), PID temperature control and a built-in dust extraction and collection system

 

 

 

Numerical Analysis of Medical Devices Bath

  • Shape Memory and Superelastic behavior Nitinol Devices
  • Coupled finite element modeling of thermo-mechanical
  • Proportional and non-proportional thermo-mechanical loadings
  • Bode and tissue device interaction modeling

 

 

fem1 fem2
fem3 fem4

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Micro Epsilon Compact high speed thermoIMAGER TIMIR

  • Measuring ranges (°C): -20 to 100 | 0 to 250 | 250 to 900
  • Optical resolution 160x120 Pixel
  • Spectral range 7.5 to 13µm
  • Excellent thermal sensitivity of 0.08K
  • Exchangeable lenses with 6°FOV, 23°FOV and 48°FOV
  • Real-time thermography with 120 Hz frame rate via USB 2.0 interface
  • Extremely lightweight (250g) and rugged (IP65)
  • Very compact 45x45x62mm
  • Analog input and output, trigger interface