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Corporate Research Centre Germany Ottobrunn. Total Revenues: 34 M€ Fixed Assets: 38 M€ (orig. costs) Office Space: 2.800 m² Laboratories: 8.200 m² Employees: ~260 (permanent, temporary, graduate and thesis students). 2 0 0 1. Surface and Chemical

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  1. Corporate Research Centre Germany Ottobrunn Total Revenues: 34 M€ Fixed Assets: 38 M€ (orig. costs) Office Space: 2.800 m² Laboratories: 8.200 m² Employees: ~260 (permanent, temporary, graduate and thesis students) 2 0 0 1 01.07.03, LG-SC, Werner Zimmermann

  2. Surface and Chemical Engineering New Coatings and Surface Modifications Metallic/Ceramic/Organic Coatings Structured Surfaces Mech./Thermal Treatment Coating Characterization and Assessment Process Evaluation and External Contacts Process Integration Environmental Impact Cost Evaluation Supplementary Methods Topography (AFM) Tribological Properties Thermal/IR Behaviour Electrical Properties New Processes and Process Development Chemical/Electrochemical PVD, PACVD and Plasma Processes Thermal Spraying LG-SO/Dr.Schnaut 01.07.03, LG-SC, Werner Zimmermann

  3. Motivation: Materials forre-entry vehicles rocket engines turbines supersonic systems ................. 01.07.03, LG-SC, Werner Zimmermann

  4. Dept.:Surface and Chemical Engineering, Signature Analysis Microwave Signature Analysis Thermal Management & Control • Measurement Activities: • Absorptivity • Transmissivity • Reflectivity • Magnetic and • Dielectric Loss Factors • Electric Conductivity • Free and Guided Wave • Propagation • Measurement Activities • Emittance • Absorbance • Transmittance • Thermal transport: • - Conduction • - Radiation • - Convection Collaboration with internal and external partners Material-, System- and Process Development Customer needs 01.07.03, LG-SC, Werner Zimmermann

  5. Research for new Solutions: High temperature structure materials high strength at high temperature low cost low weight High Temperature shielding materials & High Temperature thermal control low thermal conductance low emittance high thermal conductance high emittance High temperature Coatings oxidation resistant chemical compatibility diffusion barrier high/low emittance ........... 01.07.03, LG-SC, Werner Zimmermann

  6. Thermal material properties (Focus): • thermal transport mechanisms, heat capacity • thermo optical properties, • spectral absorption, • transmittance, • reflectance • high temperature chemical properties • oxidation resistance • chemical compatibility 01.07.03, LG-SC, Werner Zimmermann

  7. Improved knowledge of material properties as a function of temperature needed: Thermal transport mechanisms thermal conductance Heat capacity IR-optical properties (spectral emissivity,... as a function of temperature Because Materials will be treated close to their limitations 01.07.03, LG-SC, Werner Zimmermann

  8. High Temperature Functional Materials for Thermal Isolation low thermal conductance radiation shielding Cooling by radiation by mass transport by heat conduction Oxidation resistance structures with high mechanical strength 01.07.03, LG-SC, Werner Zimmermann

  9. Measurement Techniques at CRC/LG: • Spectral emissivity measurements using an FTIR • Thermal conductance • Heat capacity • Thermo Graphimetrical Analysis light pipe sample inductor 01.07.03, LG-SC, Werner Zimmermann

  10. 3.36 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.00 7800.0 7000 6000 5000 4000 3000 2000 1500 1000 370.0 cm-1 Spectral Radiation Measurements 1550 °C radiation intensity wave number Spectral Radiation of a Black Body at 800 °C up to 1550°C 01.07.03, LG-SC, Werner Zimmermann

  11. 0.637 0.637 0.60 0.60 0.55 0.55 0.50 0.50 0.45 0.45 0.40 0.40 0.35 0.35 Egy Egy 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.15 0.10 0.10 0.05 0.05 - - 0.003 0.003 7800.0 7000 6000 5000 4000 3000 2000 1500 1000 370.0 7800.0 7000 6000 5000 4000 3000 2000 1500 1000 370.0 cm cm - - 1 1 Spectral Radiation Measurements 1500 °C Radiation intensity wave number Normal spectral Intensity of PtIr30 at 800 °C up to 1500 °C, steps of 50 °C 01.07.03, LG-SC, Werner Zimmermann

  12. 100.0 90 80 70 60 Normal Spectral Emissivity [%] 50 40 30 20 10 0.0 1.28 2.0 4.0 6.0 8.0 10.0 12.0 14.0 15.00 wave length [µm] Calculations of the Spectral Emittance Normal Spectral Emissivity of PtIr30 at 900 °C up to 1450°C 01.07.03, LG-SC, Werner Zimmermann

  13. Measurement System Pyrometer ACCUFIBER (Maurer) AMR Data-Logger Sample room Sensor Induction Heating PID-Temperature- Pyrometer (Raytek to FTIR adjust od. Accufiber) P818 Control Unit Induction Inductor Heating and Detectors 1 2 Micro wave Generator Stub Tuner 7 8 RS 232 Stepper Motors Temp 3 RS A/D A/D 11 9 10 A/D 232 PC 4 ADAM micro wave- Detector generator D/A Stepper motor RS232/ 6 D/A controller RS422 (OVIS) Block / Functional Diagram of the Measurement System with Induction Heating (6kW) and Micro Wave Heating (2kW) 01.07.03, LG-SC, Werner Zimmermann

  14. Measurement System Inductive and microwave heating furnace with FTIR-spectrum- analyser, range: 0,6-25 µm High Temperature Spectral Emissivity Measurements 01.07.03, LG-SC, Werner Zimmermann

  15. Thermo Graphimetrical Analysis TGA von MoSi2, Pt, Rh und PtRh30 up to 1600 °C in Standard-Atmosphere 01.07.03, LG-SC, Werner Zimmermann

  16. Thermal Management & Control other sensors Moveable measurement System pyrometer LAN intra-/ Internet Laptop data- logger °K,mA,V, 455MHz telemetric transceiver intra-/ internet IR- Camera 3-5 M serial interfaces telemetric transceiver video-/IR- Camera VIS<1,0µm frame- grabber 2,4GHz video transceiver video transceiver 01.07.03, LG-SC, Werner Zimmermann

  17. 1. Testfahrt 2. Testfahrt Rast Rast Werk Werk Werk Thermal Management & Control Flow and Temperature Measurements in Motor Compartments 0.2 0.1 0.0 1.7 Position of flow sensors and thermal sensors 6 01.07.03, LG-SC, Werner Zimmermann

  18. Bionic Solutions for Temperature Control Swakobmund Beetle 01.07.03, LG-SC, Werner Zimmermann

  19. Bionic Solutions for Temperature Control Swakopmund Beetle Laquer Coatings Normal Spectral Reflectivity of the Swakobmund Beetle versus Laquer Coatings 01.07.03, LG-SC, Werner Zimmermann

  20. Bionic Solutions for Temperature Control Spectral reflectance Measurement of the Abdomen 01.07.03, LG-SC, Werner Zimmermann

  21. Bionic Solutions for Temperature Control EDX of the Abdomen of the Swakopmund-Beetle 01.07.03, LG-SC, Werner Zimmermann

  22. Expectations from Evitherm: National Laboratories and research centres closer to industry Validated improved measurement techniques Validated Reference Materials needed Catalogues with extended description of material properties Discussion Forum Online testing of materials, controlled by the customer via Internet, assisted by the staff ? 01.07.03, LG-SC, Werner Zimmermann

  23. Great Thanks to the Evitherm Committee and to Dr. Joachim Fischer for the Invitation and to Dr.Neuer who gave me the start up support to work on this field of material sciences. W. Zimmermann EADS, CRC/LG-DC 81663 München/Ottobrunn Germany 01.07.03, LG-SC, Werner Zimmermann

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