5 Werkstofftechnik
Filtern
Dokumenttyp
- Vortrag (425)
Sprache
- Englisch (326)
- Deutsch (96)
- Mehrsprachig (3)
Referierte Publikation
- nein (425)
Schlagworte
- Additive Manufacturing (38)
- Additive manufacturing (24)
- Corrosion (20)
- Microstructure (20)
- Glass (16)
- Ontology (16)
- Ceramics (12)
- Fatigue (12)
- LCF (11)
- Additive Fertigung (10)
- Creep (10)
- Transmission electron microscopy (10)
- 316L (9)
- Crack growth (9)
- Fraktographie (9)
- Ontologie (9)
- Sintering (9)
- Ceramic (8)
- Thermoelectrics (8)
- Diffraction (7)
- Fractography (7)
- Machine Learning (7)
- Particle size (7)
- Powder (7)
- Ti-6Al-4V (7)
- CCUS (6)
- DCB (6)
- Digitalisierung (6)
- EBSD (6)
- High entropy alloys (6)
- Mikrostruktur (6)
- Scanning electron microscopy (6)
- Zugversuch (6)
- 3D printing (5)
- Aluminium (5)
- Anisotropy (5)
- Crystal plasticity (5)
- Crystallization (5)
- Glas (5)
- Glass fiber reinforced polymers (5)
- In situ (5)
- Low Cycle Fatigue (5)
- Microgravity (5)
- Oxidation (5)
- Slurry (5)
- VSSA (5)
- Water speciation (5)
- AGIL (4)
- AISI 316L (4)
- Alloy 2618A (4)
- CALPHAD (4)
- CCS (4)
- CO2 (4)
- Coarsening (4)
- Creep behavior (4)
- Degradation (4)
- Droplet corrosion (4)
- EN AW-2618A (4)
- FAIR data management (4)
- Fatigue crack growth (4)
- Fe-Al alloys (4)
- Foaming (4)
- High-temperature corrosion (4)
- In-space manufacturing (4)
- Intermetallics (4)
- Iron aluminides (4)
- Knowledge graph and ontologies (4)
- Kriechen (4)
- Laser powder bed fusion (4)
- Layerwise slurry deposition (4)
- Martensitic steel (4)
- Mechanical properties (4)
- Nano (4)
- Nano powder (4)
- Neutron diffraction (4)
- Nickel-base superalloys (4)
- Non-destructive testing (4)
- Normung (4)
- Plattform MaterialDigital (4)
- Polymer matrix composites (4)
- Residual Stress (4)
- Semantic Web Technologies (4)
- Sulfidation (4)
- Supercritical/dense phase CO2 (4)
- TMF (4)
- Thermomechanical fatigue (4)
- Vickers (4)
- Wissensrepräsentation (4)
- Alkali ions (3)
- Alumina (3)
- Aluminium Alloy (3)
- Betriebsfestigkeit (3)
- CCU (3)
- Carbon steels (3)
- Ceramic spring (3)
- Computed Tomography (3)
- Dielectric strength (3)
- FAIR (3)
- Fracture surface (3)
- Full Notch Creep Test (3)
- Gassensorik (3)
- Geothermal (3)
- H2Safety@BAM (3)
- Heat treatment (3)
- High temperature corrosion (3)
- Keramik (3)
- Lebensdauer (3)
- Mechanical behavior (3)
- Mechanical testing (3)
- Mikroplastik (3)
- Ni-Resist (3)
- PMD Core Ontology (3)
- Residual stress (3)
- S-phase (3)
- SEM (3)
- Scarf repairs (3)
- Semantic Interoperability (3)
- Silicate Glasses (3)
- Soda-lime silicate glass (3)
- Superaustenite steel (3)
- Tensile Test (3)
- Texture (3)
- Transmission electron microscopy (TEM) (3)
- Wasser (3)
- Water content (3)
- Welding (3)
- Wind turbine blades (3)
- X-ray diffraction (3)
- Zerstörungsfreie Prüfung (3)
- μ-gravity (3)
- Advanced ceramics (2)
- Alkali zinc borate glasses (2)
- Alterung (2)
- Aluminium alloy (2)
- Analytische Zentrifuge (2)
- Bildanalyse (2)
- CLS (2)
- CO2 quality (2)
- CT (2)
- Calciumcobaltit (2)
- Calciummanganat (2)
- Carbon capture (2)
- Carbon capture storage (2)
- Carbon dioxide (2)
- Carbon steel (2)
- Characterization (2)
- Chemically complex alloy (2)
- Composite (2)
- Composites (2)
- Concrete (2)
- Copper (2)
- Crack tip opening displacement (2)
- Creep data (2)
- Dark-field transmission electron microscopy (2)
- Data Fusion (2)
- Data Interoperability (2)
- Data mapping (2)
- Datenbank (2)
- Dielectric breakdown (2)
- Diesel (2)
- Diffraction Elastic Constants (2)
- Diffusion (2)
- Digital image correlation (2)
- Digitaler Zwilling (2)
- Digitalization (2)
- Digitization (2)
- Digtial Representation (2)
- Diopside (2)
- Dislocation (2)
- EDXRD (2)
- Electron microscopy (2)
- Electron-beam-induced modification (2)
- Environmental Stress Cracking (2)
- Environmental stress cracking (2)
- Faser-Kunststoff-Verbunde (2)
- Faserkunststoffverbunde (2)
- Faseroptische Sensorik (2)
- Ferritic-martensitic steels (2)
- Fracture Toughness (2)
- Full-Notch Creep Test (FNCT) (2)
- Geführte Ultraschallwellen (2)
- Gitterkonstanten (2)
- Glass-ceramics (2)
- Hard machining (2)
- High Cycle Fatigue (2)
- High Entropy Alloy (2)
- High Temperature Corrosion (2)
- High temperature (2)
- High temperature mechanical properties (2)
- High-entropy alloy (2)
- High-entropy alloys (2)
- Hochentropie-Legierung (2)
- Hochtemperatur (2)
- Impurities (2)
- In-situ (2)
- Joined nickel-based alloys (2)
- Knowledge Representation (2)
- L-PBF (2)
- Laser (2)
- Laser Powder Bed Fusion (2)
- Laser Powder Bed fusion (2)
- Laser beam melting (2)
- Layerwise (2)
- Leckdetektion (2)
- Lunar regolith simulant (2)
- ML (2)
- Material Digital (2)
- Material digital (2)
- Metrologie zur Wasserstoffspeicherung (2)
- Microplastics (2)
- Microstrucrue Design (2)
- Microstructural analysis (2)
- Microstructure Design (2)
- Mixed gas atmosphere (2)
- Modeling (2)
- Multilayer (2)
- Multilayer technology (2)
- Multilayertechnik (2)
- NDT (2)
- Nano particle (2)
- Nano screening (2)
- Nano-powder (2)
- Nanomaterial (2)
- Nanoparticles (2)
- Nanopulver (2)
- Notches (2)
- OECD TG 124 (2)
- Ontologien (2)
- Ontology development (2)
- Orientation (2)
- Oriented surface crystallization (2)
- Oxidation behavior (2)
- Oxide Glasses (2)
- Oxidglas (2)
- PBF-LB/M/316L (2)
- PE-HD (2)
- PMD (2)
- PMDco (2)
- Partikelgrößenverteilung (2)
- Phase-field simulation (2)
- Phasenidentifikation (2)
- Pipeline (2)
- Polyethylen (2)
- Polyethylen hoher Dichte (2)
- Polymer Matrix Composites (2)
- Process monitoring (2)
- Push-out Test (2)
- REM (2)
- Reaction sintering (2)
- Residual Stresses (2)
- Ressidual stress (2)
- Rotor blade (2)
- Sandwich (2)
- Scale-bridging (2)
- Schadensanalyse (2)
- Schädigung (2)
- Selective Laser Melting (2)
- Semantic Representation (2)
- Semantic Web (2)
- Semantisches Web (2)
- SensRef (2)
- Silicon Carbide (2)
- Silver diffusion (2)
- Silver-glass-metallization-paste (2)
- Sinter additive (2)
- Sintering additives (2)
- Sintern (2)
- Spannungsriss (2)
- Spectroscopy (2)
- Spray drying (2)
- Spring constant (2)
- Standard (2)
- Standardisierung (2)
- Standardization (2)
- Structural Health Monitoring (SHM) (2)
- Superlegierung (2)
- Surface energy (2)
- TED-GC-MS (2)
- TEM (2)
- Tensile data (2)
- Tensile test (2)
- Thermo-Mechanical Fatigue (2)
- Thermoelectric (2)
- Ti64 (2)
- TiAl5V4 (2)
- Titan (2)
- Topographie (2)
- Topography (2)
- UV-irradiation (2)
- Ultrasound (2)
- Virtual experiments (2)
- Viscoplasticity (2)
- Viscosity (2)
- Wall thickness (2)
- Wind turbine blade shells (2)
- Windenergie (2)
- XANES (2)
- XRD (2)
- Zero-g (2)
- Zugeigenschaften (2)
- robotische Glasschmelzanlage (2)
- µ-gravity (2)
- 3D (1)
- 3D Druck (1)
- 3D REM (1)
- 3D Reconstruction (1)
- 3D glass structure model (1)
- 3D materialography (1)
- 3D-printing (1)
- 9-12% Cr ferritic-martensitic steels (1)
- 9–12%Cr steel (1)
- AFM based test methods (1)
- AM (1)
- Accelerated integration scheme (1)
- Acids (1)
- Active thermography (1)
- Additiv gefertigter Stahl (1)
- Adiabatic shear bands (1)
- Advanced manufacturing (1)
- Aerospace (1)
- Age hardening (1)
- Ageing (1)
- Agglomerates (1)
- Aggressive gases (1)
- Aging (1)
- Air-coupled ultrasonic testing (1)
- Airborne ultrasonic testing (1)
- Al-Li alloys (1)
- Alkali zinc borate glass (1)
- Aluminum (1)
- Aluminum alloys (1)
- Analyse (1)
- Analysis (1)
- Analytik (1)
- Annealing (1)
- Atmospheric plasma spraying (1)
- Aussonderugnsrate (1)
- Austenitic cast iron (1)
- Austenitic steel 316L (1)
- Automation (1)
- BET (1)
- Biaxial strength (1)
- Binder jetting (1)
- Bioactive (1)
- Bioactive Glass (1)
- Bioceramics (1)
- Biodiesel (1)
- Blähen (1)
- Bond energy (1)
- Breakdown strength (1)
- Brinell hardness (1)
- Bruchflächen (1)
- Bruchflächenanalyse (1)
- Bruchflächenauswertung (1)
- Bundesoberbehörden (1)
- CFK (1)
- CO2-corrosion (1)
- Calcination (1)
- Calcium cobaltite (1)
- Calcium manganate (1)
- Calcium sulfates (1)
- Calibration (1)
- Cantor alloy (1)
- Capture (1)
- Carbon (1)
- Carbon steels (1)
- Carbon Capture (1)
- Carbon Capture, Utilization and Storage (CCUS) (1)
- Carbon Fiber Reinforced Plastics (1)
- Carbon Fibers (1)
- Casting (1)
- Centrifugal casting (1)
- Ceramic multilayer (1)
- Ceramic springs (1)
- Certification Standard 22 (1)
- Certified Referencematerial (1)
- Cetrifugal Liquid Sedimentation CLS (1)
- Chemically complex alloys (1)
- Chemo-mechanical coupling (1)
- Chromatography (1)
- Chromia (1)
- Chromium oxide (1)
- Co-firing (1)
- Co-segregation (1)
- Coatings (1)
- Complex borides (1)
- Complex loading (1)
- Component assessment (1)
- Composite testing (1)
- Compositionally complex alloys (1)
- Computed tomography (1)
- Condensation (1)
- Contamination (1)
- Continnum damage model (1)
- Cooling simulations (1)
- Cow stress (1)
- Cr2O3 (1)
- Crack (1)
- Crack Propagation (1)
- Crack evolution (1)
- Crack propagation (1)
- Creep anisotropy (1)
- Creep behaviour (1)
- Creep-Fatigue (1)
- Creep-fatigue (1)
- Crevice corrosion (1)
- Cross linking (1)
- Crystal Defects (1)
- Crystal Orientation (1)
- Crystal Plasticity Modelling (1)
- Cubical Iron Oxide (1)
- Cure process (1)
- Cycle jump (1)
- Cyclic R-Curve (1)
- Cyclic oxidation (1)
- Cyclic softening (1)
- DIN (1)
- DLS (1)
- Damage (1)
- Damage Behavior (1)
- Damage Tolerance (1)
- Damage mechanisms (1)
- Dark-field transmission electron microscopy (DFTEM) (1)
- Data Exchange (1)
- Data Management (1)
- Data Structures (1)
- Data linking (1)
- Data management (1)
- Data space (1)
- Data storage (1)
- Data structure (1)
- Datenökosystem (1)
- Deep learning (1)
- Defects (1)
- Defects phase diagram (1)
- Defects thermodynamics (1)
- Deformation behavior (1)
- Dehnungsfehler (1)
- Density (1)
- Density-based Thermodynamics (1)
- Density-based model (1)
- Density-based phase-field modelling (1)
- Dental (1)
- Destabilization (1)
- Die casting (1)
- Dielectric breakdown strength (1)
- Dielectric characterization (1)
- Diffraction Enhanced Imaging (1)
- Diffraction contrast (1)
- Diffusion coefficient (1)
- Dislocation substructure (1)
- Dislocations (1)
- Disordered assemblies (1)
- Dispersion process (1)
- Dissimilar metal weld (1)
- Dissolved water (1)
- Distribution function (1)
- Driving physical mechanism (1)
- Dual-energy (1)
- Durchschlagfestigkeit (1)
- Dynamic mechanical analysis (1)
- Dynamic mechanical analysis (DMA) (1)
- Dynamisch Mechanische Analyse (1)
- EAC-1A (1)
- EASA (1)
- EDX (1)
- Early oxidation (1)
- Eigenspannung (1)
- Elastic constants (1)
- Electric field distribution (1)
- Electric field strength (1)
- Electrical insulation (1)
- Electron Backscatter Diffraction (1)
- Electron Microscopy (1)
- Electron backscatter diffraction (1)
- Electron backscattered diffraction (EBSD) (1)
- Electronic Lab Notebook (1)
- Elektronisches Laborbuch (ELN) (1)
- Energy harvesting (1)
- Entwicklung (1)
- Environmental Stress Cracking (ESC) (1)
- Ermüdung (1)
- Ermüdungsriss (1)
- Erneuerbare Energien (1)
- Etching (1)
- Extensometer (1)
- FAIR Data Management (1)
- FAIR data (1)
- FCH JU (1)
- FIB (1)
- Fabrication method (1)
- Fahrrad (1)
- Failure test (1)
- Faser (1)
- Faseroptik (1)
- Faserverstärkte Kunstoffe (1)
- Fatigue Crack Growth (1)
- Fatigue Life Evaluation (1)
- Fatigue damage (1)
- Fatigue fracture (1)
- Fatigue of sandwich shell structures (1)
- Fatigue of sandwich structures (1)
- Fatigue performance (1)
- FeCr- alloys (1)
- Federkonstante (1)
- Feldspar (1)
- Fem (1)
- Ferritic Alloys (1)
- Ferroelectret (1)
- Ferroelektret (1)
- Fertigungstechnologie (1)
- Festigkeit (1)
- Fiber (1)
- Fiber reinforced polymer (1)
- Fiber reinforced polymers (1)
- Fine Powder (1)
- Finite element analysis (1)
- Finite elmenet simulation (1)
- Flowability (1)
- Fluorescence spectroscopy (1)
- Focused Ion Beam (1)
- Foliengießen (1)
- Force-distance diagram (1)
- Formerkennung (1)
- Fracture Mechanics (1)
- Fracture Surface Analysis (1)
- Fracture behavior (1)
- Fracture surface analysis (1)
- Fracture toughness (1)
- Freeze Drying (1)
- GC-MS (1)
- GD-OES (1)
- Gas storage (1)
- Gasabgabe (1)
- Gasgehalt (1)
- Gasturbinen (1)
- Gefüge (1)
- General Aviation (1)
- Geopolymers (1)
- Gitterfehlpassung (1)
- GlasDigital (1)
- Glasmatrixkomposit (1)
- Glass Fibres (1)
- Glass composition (1)
- Glass fibre reinforced plastics (1)
- Glass melting (1)
- Glass powder (1)
- Glass screening device (1)
- Gold nanoparticle synthesis (1)
- Gold nanoparticles (1)
- Gradient-enhanced damage (1)
- Grain boundaries (1)
- Grain boundary engineering (1)
- Granules (1)
- Granulometrie (1)
- Graphic design (1)
- Grünfolieneigenschaften (1)
- HDPE Soprption (1)
- HEA (1)
- HIP (1)
- Hardness (1)
- Hartbearbeitung (1)
- Heat Treatments (1)
- Heißgasextraktion (1)
- Heißgaskorrosion (1)
- High Entropy Alloys (1)
- High Temperature Testing (1)
- High entropy alloy (1)
- High entropy superalloys (1)
- High-Temperature Corrosion (1)
- High-density polyethylene (1)
- Hochentropielegierungen (1)
- Hochspannungsprüfung (1)
- Hochtemperaturbrennstoffzelle (1)
- Hochtemperaturermüdung (1)
- Horizon 2020 (1)
- Hot Press (1)
- Hot isostatic pressing (1)
- Hot pressing (1)
- Hydrogen (1)
- Hydrogen permeation (1)
- Hydrogen sensor (1)
- Hydrogen sensors (1)
- Hyper-arid (1)
- IN 718 (1)
- IN738LC (1)
- IR (1)
- ISRU (1)
- Implant failures (1)
- Implants (1)
- In situ tensile test (1)
- In-Situ Testing (1)
- Inconel 686 coating (1)
- Inconel 718 (1)
- Infrastructure (1)
- Initial attachment (1)
- Injection (1)
- Interface (1)
- Interface Strength (1)
- Interfacial Spinodal (1)
- Internal friction (1)
- Interoperability (1)
- Inverse ostwald ripening (1)
- Investment casting (1)
- Iron oxide nanoparticles (1)
- Kalzinierung (1)
- Kavitation (1)
- Kennwertermittlung (1)
- Keramikfeder (1)
- Keramische Folien (1)
- Klebung (1)
- Kleinprobenprüfung (1)
- Knowledge Graphs (1)
- Knowledge graph (1)
- Kontrastierung (1)
- Korrosion (1)
- Kriechversuche (1)
- Kristallisation (1)
- Kunststoffe (1)
- Kupfer (1)
- Kurzzeitfestigkeit (1)
- L-PBF 316L (1)
- LSD-print (1)
- LTCC (1)
- Laminography (1)
- Laser Scanning Microscopy (LSM) (1)
- Laser cladding (1)
- Laser curing (1)
- Laser induced slipcasting (1)
- Laserbearbeitung (1)
- Laserscanningmikroskopie (LSM) (1)
- Lattice misfit (1)
- Layer depostion (1)
- Layer system (1)
- Layerwise Slurry Deposition (1)
- Legierung mit komplexer Zusammensetzung (1)
- Li-ion battery (1)
- Life cycle (1)
- Lightweight materials (1)
- Lightweighting (1)
- Lithium Ion Batteries (1)
- Localized plasmons (1)
- Long-term storage (1)
- Low cycle fatigue (1)
- Low-Cycle-Fatigue (1)
- Low-cycle-fatigue behaviour (1)
- Luftultraschall (1)
- Lunar habitat (1)
- Lösungsmittel (1)
- MEA (1)
- Manganese oxide (1)
- Manufacturing (1)
- Martensitic steel (1)
- Mat-o-lab (1)
- Material defects (1)
- MaterialDigital (1)
- Materialcharakterisierung (1)
- Materialentwicklung (1)
- Materialmodell (1)
- Materials Modelling (1)
- Materials Science (1)
- Materials science (1)
- Materials testing (1)
- Materialwissenschaft (1)
- Matrix (1)
- Mechanical and thermal testing (1)
- Mechanische Eigenschaften (1)
- Mechanisches Verhalten (1)
- Mechanistic Modelling (1)
- Medium Entropy Alloys (1)
- Medium entopy alloy (1)
- Medium-entropy alloy (1)
- Melt pool boundary (1)
- Metadata schema (1)
- Metallic components (1)
- Metallic silver precipitates (1)
- Metallography (1)
- Metrologie (1)
- Micro-shrinkages (1)
- Microbiologically influenced corrosion (1)
- Microhardness (1)
- Micromechanical model (1)
- Microstructural characterization (1)
- Microstructural evolution (1)
- Microstructural orientation (1)
- Microstructure Characterization (1)
- Microstructure Evolution (1)
- Microstructure characterisation (1)
- Microstructure design (1)
- Microstructure evolution (1)
- Microstructure modification (1)
- Microstructure-property-correlation (1)
- Mid-Level Ontology for MSE (1)
- Mikro-Computertomographie (1)
- Mikrogravitation (1)
- Mikrostrukturentwicklung (1)
- Mindedestberstdruck (1)
- Mixed Ca-K-Na phosphates (1)
- Mn3O4 (1)
- Modell (1)
- Monte-Carlo Simulation (1)
- Mortar (1)
- Mortel (1)
- Multi-principal element alloys (1)
- Multiaxial stress state (1)
- NTE (1)
- Na and K rhenanites (1)
- Nano material (1)
- Nano-assemblies (1)
- Nanoparticle synthesis (1)
- Nanopartikel (1)
- Nanoplattform (1)
- Negative charged microparticle (1)
- Neutron Diffraction (1)
- New standards (1)
- Nickel-base superalloy (1)
- Non-desired foaming (1)
- Nondestructive testing (1)
- Nucleation (1)
- Nucleation mode (1)
- OECD TG (1)
- Oberflächenaktive wässrige Medien (1)
- Online quality control (1)
- Ooxidation (1)
- Optic (1)
- Oxide glass (1)
- P92 (1)
- P92 steels (1)
- PA6.6 (1)
- PPA (1)
- Parametric modeling (1)
- Particle size determination (1)
- Partikelgröße (1)
- Patent (1)
- Paving (1)
- Phase Diagrams (1)
- Phase Separation (1)
- Phase analysis (1)
- Phase diagram (1)
- Phase field simulation (1)
- Phase separation (1)
- Phase transformation (1)
- Phase transformations (1)
- Phase-Field Simulation (1)
- Phase-Field Simulations (1)
- Phase-field Simulation (1)
- Photon counting detector (1)
- Physically based material model (1)
- Physics-informed Neural Network (1)
- Pipeline network (1)
- Planetary surface (1)
- Platform Material Digital (1)
- Platform Material Digital (PMD) (1)
- Platform MaterialDigital (1)
- Platform MaterialDigital (PMD) (1)
- Plattform Material Digital (1)
- Plattform Material Digital (PMD) (1)
- Pole figures (1)
- Polyaniline (1)
- Polyethylene, PE-HD (1)
- Polymer (1)
- Polymer Matrix Composite (1)
- Polymerwissenschaften (1)
- Porcelain (1)
- Pores (1)
- Powder deposition (1)
- Power plant (1)
- Precipitates (1)
- Precipitation (1)
- Precipitation Analysis (1)
- Precipitation hardening (1)
- Preparation (1)
- Pressure assisted sintering (1)
- Pressure-assisted sintering (1)
- Probengrößeneffekt (1)
- Protective coating (1)
- Präparation (1)
- Pull-out (1)
- Pycnometry (1)
- Quantitative Precipitation Analysis (1)
- Rafting (1)
- Recommendations (1)
- Recycling (1)
- Reference data (1)
- Reference material (1)
- Referenzdaten (1)
- Refractory chemically complex alloy (1)
- Refractory chemically complex alloys (1)
- Regelwerke (1)
- Relaxation (1)
- Relaxation metallic glasses (1)
- Relaxationsphänomene (1)
- Repair of sandwich shell structures (1)
- Reproducibility (1)
- Residual stress analysis (1)
- Residual stresses (1)
- Resistance (1)
- Restberstfestigkeit (1)
- Review (1)
- Rissentwicklung (1)
- Rissheilung (1)
- Risswachstum (1)
- Roboter (1)
- Rotorblattschalen (1)
- Roughness (1)
- Röntgen-Refraktion (1)
- Röntgenbeugung (1)
- Röntgenrefraktion (1)
- S355 steel sheet (1)
- SHM (1)
- SIMS (1)
- SLM (1)
- Safety assessment (1)
- Sailplane Development Panel (1)
- Salzschmelzen (1)
- Sample preparation (1)
- Sandwich structures (1)
- Scanning Electron Microscopy (SEM) (1)
- Scanning electron microscope (1)
- Scanning transmission electron microscopy (STEM) (1)
- Scarf joint repair (1)
- Schadensprävention (1)
- Schwerelosigkeit (1)
- Schwingbrüche (1)
- Schwingstreifen (1)
- Screen printing (1)
- Selective laser melting (1)
- Semantic Interioerability (1)
- Semantic web (1)
- Semiconductor materials (1)
- Sensor (1)
- SiO2 (1)
- Sibayak (1)
- Silber (1)
- Silicatglas (1)
- Silver cluster (1)
- Silver metallization paste (1)
- Silver precipitates (1)
- Silver-glass metallization paste (1)
- Simulation (1)
- Simulation of concrete (1)
- Single-Crystal (1)
- Single-crystals (1)
- Sintering atmosphere (1)
- Sintertemperatur (1)
- Sinterung (1)
- Size distribution (1)
- Slow Crack Growth (SCG) (1)
- Slow crack growth (1)
- Small-Angle X-ray Scattering (1)
- Soda-lime-silica glass (1)
- Sol-gel coating (1)
- Solar sintering (1)
- Solid solution strengthening (1)
- Space exploration (1)
- Spannungs-Dehnungs-Verhalten (1)
- Spark plasma sintering (1)
- Specific surface (1)
- Spezifische Oberfläche (1)
- Spinodal Decomposition (1)
- Split Hopkinson bar (1)
- Spring constant (1)
- Stainless steel (1)
- Stanzen (1)
- Steel (1)
- Storage (1)
- Strain rate dependence (1)
- Structure (1)
- Structured heating (1)
- Struktur (1)
- Subsurface defects (1)
- Sulfiding (1)
- Superalloy (1)
- Superalloy single crystals (1)
- Superalloys (1)
- Superaustenite steel (1)
- Supercritical/dense phase CO 2 (1)
- Superlegierungen (1)
- Surface (1)
- Surface Energy (1)
- Surface Nucleation (1)
- Surface crystallization (1)
- Surface nucleation (1)
- Symbolik (1)
- Symmetric dwell periods (1)
- Synchrotron CT (1)
- Synchrotron radiation (1)
- Synchrotronstrahlung (1)
- Syngle Crystal alloy (1)
- Synthetic air (1)
- Systematische Schadensanalysen, Prozeduren (1)
- TAHYA (1)
- TED (1)
- TMF experiments (1)
- Temperature (1)
- Temperature driven process (1)
- Temperaturschwankungen (1)
- Tempered Martensite Ferritic Steels (1)
- Tempered martensite ferritic steel (1)
- Tempered martensite ferritic steels (1)
- Tensile Properties (1)
- Tensile Test Ontology (1)
- Tensile stress relaxation (1)
- Tensile testing (1)
- Texturation (1)
- Thermal degradation (1)
- Thermal stress (1)
- Thermische Analyse (1)
- Thermo mechanical fatigue (1)
- Thermo-mechanical fatigue (1)
- Thermo-mechanical-loading (1)
- Thermo-optical measurement (1)
- Thermoanalytical Methods (1)
- Thermoelectric generator (1)
- Thermoelectric oxide (1)
- Thermoelektrika (1)
- Thermoelektrischer Generator (1)
- Thermographie (1)
- Thermogravimetric analysis (1)
- Thermogravimetry (1)
- Thermomechanics (1)
- Thermomechanik (1)
- Thermomechanische Eigenschaften (1)
- Thermoset polymers (1)
- Thesaurus (1)
- Titanium (1)
- Tomography (1)
- Tools (1)
- Transmissionselektronenmikroskopie (1)
- Transparent ceramics (1)
- Two Photon Polymerization (1)
- Ultraschall (1)
- Umgebungsbedingter Spannungsriss (1)
- Under cyclic loading (1)
- Utilization (1)
- Utilization, and storage (CCUS) technology (1)
- VCSEL (1)
- Vacuum hot extraction (1)
- Vernetzung (1)
- Versetzungsstrukturen (1)
- Vickers hardness (1)
- Virtueller Materialdatenraum (1)
- Viscose sintering (1)
- Viskoplastisch (1)
- Wandler (1)
- Waste water (1)
- Water-based (1)
- Weibull Distribution (1)
- Weibull distribution (1)
- Welding processing influences (1)
- Werkstoffdaten (1)
- Werkstoffprüfung (1)
- Whole-chain CCS scenario (1)
- Wind energy (1)
- Wind turbine (1)
- Wind turbine blade shell structures (1)
- Withstand voltage tests (1)
- Workshop (1)
- Wärmespeicher (1)
- X-Ray Diffraction (1)
- X-ray imaging (1)
- X-ray laminography (1)
- X-ray refraction (1)
- XRM (1)
- Zugversuchsontologie (1)
- Zyklische Belastung (1)
- Zyklische R-Kurve (1)
- alumina (1)
- arbon capture (1)
- carbon steel (1)
- ceramic (1)
- ceramics (1)
- condensate (1)
- corrosion (1)
- dental (1)
- dispersion (1)
- electrochemical characterization (1)
- impurities (1)
- microstructure analysis (1)
- multi scale testing (1)
- particle size determination (1)
- pitting corrosion (1)
- sample preparation (1)
- selective laser melting (1)
- thermomechanische Beanspruchung (1)
- utilization, and storage (CCUS) technology (1)
- volume resistivity (1)
- zertifizierte Referenzmaterialien (1)
- Öffentliche Sicherheit (1)
- Überblick (1)
Organisationseinheit der BAM
- 5 Werkstofftechnik (425)
- 5.1 Mikrostruktur Design und Degradation (112)
- 5.2 Metallische Hochtemperaturwerkstoffe (111)
- 5.4 Multimateriale Fertigungsprozesse (101)
- 5.3 Polymere Verbundwerkstoffe (52)
- 5.6 Glas (49)
- 5.5 Materialmodellierung (45)
- 8 Zerstörungsfreie Prüfung (44)
- 9 Komponentensicherheit (42)
- 8.5 Röntgenbildgebung (34)
- 7 Bauwerkssicherheit (33)
- 5.0 Abteilungsleitung und andere (23)
- 7.6 Korrosion und Korrosionsschutz (18)
- 9.4 Integrität von Schweißverbindungen (17)
- 6 Materialchemie (15)
- 9.6 Additive Fertigung metallischer Komponenten (12)
- 7.5 Technische Eigenschaften von Polymerwerkstoffen (10)
- 9.0 Abteilungsleitung und andere (9)
- 9.3 Schweißtechnische Fertigungsverfahren (9)
- 6.3 Strukturanalytik (8)
- 1 Analytische Chemie; Referenzmaterialien (7)
- 4 Material und Umwelt (7)
- 8.4 Akustische und elektromagnetische Verfahren (7)
- 3 Gefahrgutumschließungen; Energiespeicher (6)
- 8.0 Abteilungsleitung und andere (6)
- 6.1 Oberflächen- und Dünnschichtanalyse (5)
- 4.2 Material-Mikrobiom Wechselwirkungen (4)
- 8.6 Faseroptische Sensorik (4)
- 1.2 Biophotonik (3)
- 3.0 Abteilungsleitung und andere (3)
- 8.1 Sensorik, mess- und prüftechnische Verfahren (3)
- 9.2 Versuchsanlagen und Prüftechnik (3)
- VP Vizepräsident (3)
- VP.1 eScience (3)
- 1.9 Chemische und optische Sensorik (2)
- 3.1 Sicherheit von Gefahrgutverpackungen und Batterien (2)
- 4.1 Biologische Materialschädigung und Referenzorganismen (2)
- 6.6 Physik und chemische Analytik der Polymere (2)
- 7.0 Abteilungsleitung und andere (2)
- 7.4 Baustofftechnologie (2)
- 7.7 Modellierung und Simulation (2)
- 1.4 Prozessanalytik (1)
- 1.6 Anorganische Referenzmaterialien (1)
- 2 Prozess- und Anlagensicherheit (1)
- 2.1 Sicherheit von Energieträgern (1)
- 3.5 Sicherheit von Gasspeichern (1)
- 4.4 Thermochemische Reststoffbehandlung und Wertstoffrückgewinnung (1)
- 6.0 Abteilungsleitung und andere (1)
- 6.2 Material- und Oberflächentechnologien (1)
- 6.4 Materialinformatik (1)
- 6.5 Synthese und Streuverfahren nanostrukturierter Materialien (1)
- 7.2 Ingenieurbau (1)
- P Präsident (1)
- P.0 Präsident und andere (1)
Eingeladener Vortrag
- nein (425) (entfernen)
Thermoelectric materials can convert waste heat directly into electrical power by using the Seebeck effect. Calcium cobaltite Ca3Co4O9 is a promising p-type oxide thermoelectric material for applications between 600 °C and 900 °C in air. The properties and morphology of Ca3Co4O9 are strongly anisotropic because of its crystal structure of alternating layers of CoO2 and Ca2CoO3. By aligning the plate-like grains, the anisotropic properties can be assigned to the component. Pressure-assisted sintering (PAS), as known from large-scale production of low temperature co-fired ceramics, was used to sinter multilayers of Ca3Co4O9 green tape at 900 °C with different pressures and dwell times. In-situ shrinkage measurements, microstructural investigations and electric measurements were performed. Pressure-less sintered multilayers have a 2.5 times higher electrical conductivity at room temperature than dry pressed test bars with randomly oriented particles. The combination of tape casting and PAS induces a pronounced alignment of the anisotropic grains. Relative density increases from 57 % after free sintering for 24 h to 94 % after 2 h of PAS with 10 MPa axial load. By applying a uniaxial pressure of 10 MPa during sintering, the electrical conductivity (at 25°C) improves by a factor of 15 compared to test bars with randomly oriented particles. The high temperature thermoelectric properties show the same dependencies. The smaller the applied axial load, the lower the relative densities, and the lower the electrical conductivity. Longer dwell times may increase the density and the electrical conductivity significantly if the microstructure is less densified as in the case of a small axial load like 2 MPa. At higher applied pressures the dwell time has no significant influence on the thermoelectric properties. This study shows that PAS is a proper technique to produce dense Ca3Co4O9 panels with good thermoelectric properties similar to hot-pressed tablets, even in large-scale production.
Powder based Additive Manufacturing (AM) processes are widely used for metallic and polymeric materials, but rarely commercially used for ceramic materials, especially for technical ceramics. This seemingly contradicting observation is explained by the fact that in powder based AM, a dry flowable powder needs to be used. Technical ceramics powders are in fact typically very fine and poorly flowable, which makes them not suitable for AM. The layerwise slurry deposition (LSD) is an innovative process for the deposition of powder layers with a high packing density for powder based AM. In the LSD process, a ceramic slurry is deposited to form thin powder layers, rather than using a dry powder This allows the use of fine powders and achieves high packing density (55-60%) in the layers after drying. When coupled with a printing head or with a laser source, the LSD enables novel AM technologies which are similar to *Denotes Presenter 42nd International Conference & Exposition on Advanced Ceramics & Composites 127 Abstracts the 3D printing or selective laser sintering, but taking advantage of having a highly dense powder bed. The LSD -3D printing, in particular, offers the potential of producing large (> 100 mm) and high quality ceramic parts, with microstructure and properties similar to traditional processing. This presentation will give an overview of the milestones in the development of this technology, with focus on the latest results applied both to silicate and to technical ceramics.
Thermoelektrische Materialien können durch die Nutzung des Seebeckeffektes einen Temperaturunterschied direkt in eine Spannung umwandeln. Calciumcobaltit (p-typ) und Calciummanagant (n-typ) sind 2 der vielversprechendsten oxidischen thermoelektrischen Materialien. Für die Entwicklung von kostengünstigen Multilayergeneratoren ist das Co-sintern dieser beiden Materialien notwendig und deshalb eine Anpassung der Sintertemperatur nötig. Calciummangant wird herkömmlicherweise zwischen 1200°C und 1350°C gesintert. Calciumcobaltit erfährt einen ungewünschte Phasenumwandlung bei 926°C, es kann allerding bei 900°C unter 7.5MPa zu 95% dicht gesintert werden. Demzufolge, ist eine Co-sintertemperatur von 900°C anzustreben. Aus diesem Grund wurden mehrere Strategien zur Absenkung der Sintertemperatur von Calciummanaganat untersucht. Zum einen die Zugabe niedrigschmelzender Additive, zum anderen die Zugabe von Additiven, die eine eutektische Schmelze bilden. Es konnte gezeigt werden, dass für Calciummanganat die Verwendung von eutektischen Schmelzen besser geeignet ist als die Verwendung von niedrigschmelzenden Additiven um die Sintertemperatur zu senken.“
Dry pressing of ceramic materials requires homogeneously soft granules with good flowability to allow rapid die filling and to avoid packing defects. Spray-drying granulation appears to be the best method for obtaining granules with high flowability in industrial scale. But, strength reducing internal microstructural defects caused by spray-dried granules with hollow and hard shells are often observed using nano and/or multi-component starting powders.
Using the example of a ZTA composite, the potential of slurry optimization, ultrasound atomization and infrared drying for better granule properties and compaction behavior were investigated. Starting granules produced in a conventional spray dryer (Niro, Denmark) with a two fluid nozzle showed typical defects like large central pores and dimples.
The early step of slurry preparation already possesses an essential optimization possibility in the form of stability adjustments. Granule compaction was clearly improved upon a specific reduction in slurry stability. The second optimization opportunity to improve the granule quality was the atomization step. Implementation of an ultrasound atomizing unit into the conventional spray dryer positively affected granule size distribution and therefor flowability and as well granule yield. But, a combination of both process optimizations delivered the best sinter bodies with highest density and strength due to further reduction in maximum size and fraction of pores.
As last step of a spray drying process, the drying is the focus of further investigations. A current setup implying a spray dryer prototype utilizes stacked infrared heater in a countercurrent setup delivering a further increase in granule yield and enduring spraying process stability.
Dielectric strength testing of ceramics is simple and yet challenging. The execution of a breakthrough voltage measurement of a given sample is fast and straightforward. ASTM D149 describes the standardized procedure. But, there are versatile effects of test conditions and sample properties that affect the result of such a measurement. As one example, ASTM D149 allows different sizes of test electrodes and does not unambiguously prescribe the condition of the electrodes. Thus, different electrode configurations are used in the field. We conducted several test series on alumina samples to comprehensively quantify the effect of test conditions and sample properties on dielectric strength results. In our study, testing of alumina substrates using different electrode configurations resulted in differences of mean values of up to 20%. Further test series on alumina focused on the effect of voltage ramp rate. The results are complemented by calculations of failure probability at different voltage levels and corresponding withstand voltage tests. We conclude that a communication and comparison of single dielectric strength values is insufficient and may be misleading. A meaningful comparison of dielectric strength studies from different sources requires a thorough consideration of test conditions.
Up to now, the mechanisms of surface nucleation and surface-induced texture formation are far from being understood. Corresponding phenomena are discussed hypothetically or even controversial, and related studies are restricted to very few glasses. In this talk the state of the art on mechanisms of surface nucleation are summarized. On one hand, mechanical damaged surfaces show high nucleation activity, at which the nucleation occurs at convex tips and edges preferentially. On the other hand, solid foreign particles are dominant nucleation sites at low damaged surfaces. They enable nucleation at temperatures even far above Tg. The nucleation activity of the particles is substantially controlled by their thermal and chemical durability. But no systematic studies on initially oriented crystal growth or nucleation from defined active nucleation sites have been pursued, so far. Therefore, the main objective of a just started project is to advance the basic understanding of the mechanisms of surface-induced microstructure formation in glass ceramics. We shall answer the question whether preferred orientation of surface crystals is the result of oriented nucleation or caused by other orientation selection mechanisms acting during early crystal growth. In both cases, crystal orientation may be caused by the orientation of the glass surface itself or the anisotropy and orientation of active surface nucleation defects. As a first attempt we focused on possible reorientation of separately growing surface crystals during early crystal growth. First results show clear evidence that separately growing crystals can reorient themselves as they are going to impinge each other.
Lowering the sintering temperature of calcium manganate CaMnO3 for thermoelectric applications
(2018)
Thermoelectric materials can convert waste heat directly into electrical power by utilizing the Seebeck effect. Calcium cobaltite (p-type) and calcium manganate (n-type) are two of the most promising oxide thermoelectric materials. The development of cost-effective multilayer thermoelectric generators requires the co-firing of these materials and therefore the adjustment of sintering temperatures. Calcium manganate is conventionally sintered between 1200 °C and 1350 °C. Calcium cobaltite exhibits an undesired phase transition at 926 °C but can be sintered to high relative density of 95 % at 900 °C under axial pressure of 7.5 MPa. Hence, co-firing at 900 °C would be favourable. Therefore, strategies for lowering the sintering temperature of calcium manganate have been investigated. Basically, two approaches are common: i) addition of low melting additives like Bi2O3-ZnO-B2O3-SiO2 (BBSZ) glass or Bi2O3, and ii) addition of additives that form low-melting eutectics with the base material, for example CuO. In this study, several low melting additives including BBSZ glass and Bi2O3, as well as CuO were tested regarding their effect on calcium manganate densification. Bi2O3 did not improve the densification, whereas BBSZ glass led to 10 % higher relative density at 1200 °C. An addition of 4 wt% CuO decreases the temperature of maximum sinter rate from above 1200 °C to 1040 °C. By reducing the particle size of the raw materials from 2 μm to 0.7 μm the maximum sinter rate could be further shifted 20 K towards lower temperatures and the sinter begin decreased from 920 °C to 740 °C. It is shown that eutectic phase formation is more effective in lowering sintering temperature and accelerating densification than low-melting additives.