Program 1. Day

May 7th 2012

08:30 Registration & coffee
09:00Welcome – Opening 8. Materials Days Prof. Dr. Eberhard Burkel, Prof. Dr. Ursula van Rienen, Christian Weiß
09:10 More efficient fuel cells based on ceramic proton conductors
  • Electrochemical energy conversion is an essential part of sustainable energy technologies, such as the fuel cell hydrogen cars.
  • Proton conducting ceramic fuel cells, electrolyzers, and membranes are simpler and more efficient than their polymer or oxide ion counterparts
  • Hoewever, a number of challenges need be overcome.
Prof. Truls Norby
Functional Energy Related Materials, University of Oslo, Norway 
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09:50 New Materials and Components on the Basis of Selective Electron Beam Melting
  • Additive manufacturing is one of the key technologies of the future
  • Physical principles of selective electron beam melting
  • Design freedom allows the development of materials with new properties
Prof. Dr. Carolin Körner
Werkstoffkunde und Technologie der Metalle, Universität Erlangen-Nürnberg 
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10:30 Refreshment break & networking
10:50 Materials Challenges in Wind energy
  • Demands on Metallic Material for in Wind Turbines
  • Casted Iron for Cold Temperature Wind Turbines
  • Superconducting Material in Wind Turbine Generators
Dipl.-Ing. Anton Wolf
Corporate Technology / Chief Mechanical Engineer, AMSC Austria GmbH 
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11:20 Thermal Joint Stresses of Sintered Magnets in the Application of Wind Power Generators
  • Challenges for magnets in the new generation of direct drive wind power generators
  • Published solutions mostly have some disadvantages
  • The state of the art and physical background will be discussed
Dr. Norbert Götschmann
Team Leader Innovation Lloyd Dynamowerke, Bremen 
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11:45 The role of nanostructure in bulk functional oxides
  • The effect of the nanostructure (grain size below 50 nm) on the physical properties of functional oxides in bulk form will be reviewed
  • Solid state electrolytes, thermoelectric and ferrolelectrics will be covered
  • The synthesis of these materials will be discussed
  • Examples for the phase stability and improved optical and electrical properties of bulk oxides will be given
Prof. Umberto Anselmi-Tamburini
Dipartimento di Chimica fisica - Universita' di Pavia 
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12:10 Selective Laser Melting (SLM®) becomes Mainstream Technology
  • Additive Manufacturing in the Quality-Time-Cost Tension
  • Break-Through by Manifold Productivity Increase with Double-Beam Technology
Dr. Dieter Schwarze
SLM Solution GmbH, Lübeck 
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12:30 Lunch & Networking
13:30 Requirements for fibres, resins and composite materials for wind turbine blades
  • Design and material structure in wind turbine blades
  • Fatigue performance of composites
  • Stiffness and modulus for fibres and composites
  • Qualification of sizing and interfaces using single fibre fragmentation tests
Dr. Povl Bronsted
Research Specialist, Risoe-DTU, Denmark 
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14:10 Micromechanisms of crystalline polymers
  • The yield stress of semicrystalline polymers depends not only on crystal thickness but also on the degree of crystallinity.
  • An earlier proposed mechanism for yielding connected with non-crystallographic changes of the material is discussed
  • It will be shown that plastic yielding of semicrystalline polymers is greatly affected by the state of their amorphous phase
  • The changes of the amorphous phase may explain why yielding is depending on the crystallinity degree
Prof. Andrzej Galeski
Centre of Moleuclar and Macromolecular Studies, Polish Academy of Sciences 
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14:30 Carbon nanotubes in rotor blades of wind turbines
  • Manufacturing of glass fiber composites with CNT
  • static tension test 90° to the fiber
  • atigue results of glass fiber composites with different CNT
Dipl.-Ing. Benjamin Buchholz
project engineer, competence center rotor blade, Fraunhofer Institute for Wind Energy and Energy System Technology, Bremerhaven 
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14:50 e-beam crosslinked high performance plastics
  • electron-beam crosslinked engineering plastics receive characteristics of high performance plastics
  • improved mechanical and chemical properties at elevated temperatures
  • improved fiber-matrix bonding for e-beam crosslinked fiber-reinforced thermoplastics
Yves Kaufhold
COO, Herotron E-Beam Service GmbH, Bitterfeld-Wolfen 
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15:10 New technology concepts for windmill systems - winded turbine blades - and framework structures
  • alternative solutions for composite structures in windmill design
  • strand laying technology allows full automated manufacturing of turbine blade structures
  • advantages in reliability, costs, quality & opportunity for segmentation of blades
  • it were anticipated applications in manufacturing of lattice towers and gondolas
Dr. D. Büchler
Baltico GmbH 
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15:30 Refreshment break & networking
16:00 Inspection interval definition of components and structures by the simulation of fatigue crack propagation
  • Fracture Mechanical methods are used simulating the residual lifetime and therewith inspection intervals
  • Different factors are discussed influencing inspection intervals
Prof. Sander, J. Lebahn
Chair structural mechanics, University of Rostock 
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16:30 Atomistic Insights into the tribological properties of Carbon materials
  • Computer simulations unveil atomic-scale tribological mechanisms that help understand running-in and wear of hard carbon coatings and develop design rules
  • The wear of Diamond and Diamond-like Carbon surfaces is driven by mechanical amorphisation of the material
  • Environmental conditions play a crucial role and lead, for instance, to oxidative wear and chemical termination of C surfaces
Dr. Gianpietro Moras
Fraunhofer-Institut für Werkstoffmechanik IWM 
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17:00 New developments in the simulation of tribological processes)
  • Modeling friction at the nanoscale
  • Interaction of lubricants and surfaces
  • Characterizing lubricants at extreme conditions
  • Mapping from small to large scales
Prof. Martin Müser
Institute of Advanced Simulation, Jülich Supercomputing Centre (JSC)  
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17:30 In situ observation of wear particle formation on lubricated sliding surfaces
  • A novel experimental platform to link topographical and material changes with friction and wear behavior for a large range of forces and sliding speeds will be presented
  • The transformation and propagation of wear tracks of copper and binary brasses will be discussed
  • Additional focused ion beam (FIB) analysis allows to observe and track single wear event
Dr. Martin Dienwiebel
KIT, Karlsruher Institut für Technologie  
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18:00 Public Lecture: 3D integrated all-solid-state batteries: a challenging route towards small autonomous devices
  • All-solid-state batteries
  • 3D-integration
  • IC-storage
  • Medical implants
  • Autonomous devices
Prof. Peter Notten
Group Energy Materials and Devices Eindhoven University of Technology, The Netherlands 
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19:00Closing remarks of the chairman & End of symposium day one
19:30 Get-Together

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