Technical Equipment and Methods
The DECHEMA Corrosion Center offers a wide range of state-of-the-art technical equipment and methods, which are available within the framework of projects and industrial cooperation.
Metallography and Characterization
Metallography
- Classical and non-aqueous metallography incl. target preparation
- Interference Layer Metallography
- Light/ Optical microscopy and stereomicroscopes (Leica)
- Scanning electron microscopes with energy dispersive X-ray analysis (EDX) (Hitachi Flex SEM 1000II), as well as electron backscatter diffraction (EBSD), scanning transmission detector (STEM) and in-situ high temperature stage (Hitachi SU 5000)
- Chemical Analysis
- Electron probe microanalysis (EPMA) with wavelength dispersive X-ray analysis (WDS) (JEOL JXA-8100)
- Scanning electron microscopes with energy dispersive X-ray analysis (EDS) (Hitachi Flex SEM 1000II)
- Spark Emission Spectrometer (OES) (Ametek SPECTROMAXx)
- Atomic Absorption Spectroscopy (AAS) (Varian AA 240 FS)
- Mass spectrometry with inductively coupled plasma (ICP-MS), optionally with upstream ion chromatography
- Ion chromatography (anions and cations)
- Structural Analysis
- X-ray diffractometer (XRD) with Göbel mirror and in-situ high temperature analysis (Bruker D8 Advance)
- Confocal Raman microscope with in-situ spectroscopy (Renishaw RE 04)
Surface Characterization
- Confocal Laser Scanning Microscope (CLSM) (Leica TCS SP8)
- Contact angle measurement (also for temperatures up to 1200 °C)
- Profilometer (Mahr MarSurf GD 26)
- Linear abrasion tester (Linear Taber Abraser)
- Particle size and zeta potential measurement system by dynamic light scattering (DLS) (Malvern Zetasizer Nano)
Mechanical Characterization
- Small load hardness testing
- Nanoindenter (Anton Paar NHT³)
- Tribometer (Nanovea T5)
- 4-point bending test benches
- Mechanical testing machines up to 10 kN
Thermal Analysis
- Simultaneous thermal analysis with differential thermal analysis (DTA), differential scanning calorimetry (DSC) and thermogravimetry (TG) (Netzsch STA 449 F3)
- Dilatometer (Linseis)
- Dilatometer (Linseis)
Materials Consulting
Databases
- DECHEMA Corrosion Handbook
Software
- JMatPro
- FactSage
- ThermoCalc
Electrolytic Corrosion Testing
- Potentiostats for high and low impedance applications to be used in the following electrochemical methods: current density potential curves; zero resistance amperometry (ZRA), cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS)
- Electrochemical quartz microbalance (EQCM)
- Rotating ring-disc electrode (RRDE)
- Scanning Kelvin probe
- Salt spray chamber
High-Temperature Corrosion Testing
- Isothermal furnaces up to 1600 °C (tube and chamber furnaces), aggressive atmospheres and salt deposits possible
- Cyclic furnaces up to 1300 °C (up to 1000 °C with aggressive atmospheres and salt deposits)
- Pressure equipment up to 30 bar (maximum temperature 800 °C, at 15 bar maximum temperature 1000 °C)
- Thermobalances
- Induction furnace
- In-situ acoustic emission analysis
- High temperature tribometer
- Creep test benches
Protective Coating and Alloy Development
- Pack cementation
- Slurry coating
- Four-source magnetron sputter system
- Dip Coater
- Spin Coater
- Doctor blade coater
- Screen printing plant
- High voltage/high current potentiostats for anodization
- Arc melting furnace (up to 3000 °C)
- Vacuum induction melting furnace (up to 2000 °C)
Production Engineering Methods and Equipment
- Nd-YAG laser for microstructuring
- CO2 laser for precise cutting of components
- Mechanical precision processing machines
- (High power) ultrasonic finger
- Spray system with ultrasonic head
- Laboratory hot press
- Calender
- Ball mill
- Glovebox