Program of the 8th Materials´ Days, 7th and 8th May 2012

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 
more Information
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 
more Information
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 
more Information
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 
more Information
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 
more Information
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 
more Information
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 
more Information
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 
more Information
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 
more Information
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 
more Information
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 
more Information
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 
more Information
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 
more Information
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)  
more Information
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  
more Information
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 
more Information
19:00Closing remarks of the chairman & End of symposium day one
19:30 Get-Together

Download Invitation

May 8th 2012

08:30 Registration & coffee
09:00 Li-ion batteries - synchrotron studies of materials in motion
  • Processes in a battery are complex
  • The knowledge about the lithium-ion mobility in the bulk electrode, the electrolyte materials and electrode/electrolyte interfaces is crucial for new or improved battery concepts
  • Characterization methods at different synchrotron radiation sources are improving the general understanding of the mechanisms occurring in a battery in operation
Prof. Kristina Edström
Angström Advanced Battery Centre, Uppsala Universitet, Sweden 
more Information
09:45 Clean water and hydrogen from sunlight
  • Providing safe clean drinking water and sustainable energy for all the World's population is of enormous importance
  • In principle, sunlight is all one needs to purify and disinfect water and to split water to make fuels such as hydrogen
  • But photocatalysts are poorly understood and not efficient enough.
  • Have we missed something essential?
Prof. Truls Norby
Functional Energy Related Materials, University of Oslo, Norway 
more Information
10:10 Towards the Simulation of redox reactions
  • Fundamental aspects of non-equilibrium redox reactions
  • Examples: Charging of Galvanic cells, contact electrification
  • The challenge of modeling redox reactions with atomistic simulations
  • Solutions to the problem and first demonstrators
Prof. Martin Müser
Institute of Advanced Simulation, Jülich Supercomputing Centre (JSC) 
more Information
10:30 Refreshment break & networking
11:00 Biofilms as complex films
  • Biofilms are heterogeneous communities of bacteria
  • What is the key process that enables them to live even in the most extreme environments?
  • A common hallmark of all bacterial biofilms is the production of a polymeric matrix that holds the community together.
  • Can we understand and manipulate this process?
  • Biofilms colonize surfaces efficiently. How does that depend on their material properties?
Dr. Agnese Seminara
Institut Pasteur, Paris, France 
more Information
11:40 Calcium phosphate coatings on magnesium alloy for biomaterial application
  • Biodegradable magnesium alloy
  • surface modification
  • In vitro biodegradation and cytotoxicity evaluations
  • orthopedic implants
Prof. Wei Lu
Tongji University, Shanghai, China 
more Information
12:10 Cavitation Induced Construction of Bioactive Surfaces
  • Ultrasound-assisted formation of porous metals
  • Surface metal capsules for tunable loading and release of active compounds
  • Metal-polymer intelligent bio surfaces
Dr. Daria Andreeva
Physical Chemistry, University Bayreuth 
more Information
12:30 Lunch & Networking
13:50 Stable electrocatalysts for PEM-fuel cells with Pt from recycling sources
  • Recycling of platinum and other PGM from used fuel cell stacks and car exhaust catalysts
  • Application in low temperature PEFC, high temperature PEFC
  • High performance and slow degradation
  • Stationary and portable applications
Dr. Elgar Fokkens
Hydrogen and Informatics Institute of Applied Technologies GmbH  
more Information
14:10 Patterned ceramic films and nanostructures by solution chemistry: an effective approach towards the synthesis of oxide microdevices
  • The synthesis of patterned oxide thin films using solution chemistry and soft lithography is presented.
  • Controlled nanostructures coupled with high quality lithography characteristics are achieved.
  • They can serve as templates for the growth of nanorods or complex hierachic nanostructures.
  • Complex microdevices for sensing applications can be produced along thís all-solution route
Prof. Umberto Anselmi-Tamburini
Dipartimento di Chimica fisica - Universita' di Pavia 
more Information
14:30 Foaming of polypropylene nanocomposites.
  • Closed-cell PP nanocomposite foams are produced with cell sizes lower and cell concentration higher than for the neat polypropylene.
  • The effect of nanofibers and nanoplatelets both on the extensional viscosity of linear polypropylene and on the cell size, cell concentration and bulk density of PP-based foams will be discussed
  • The influence of die temperature and extrusion speed on the structure of PP nanocomposite foams is presented
  • Nanofibers or nanoplatelets are located in cell walls of growing bubbles and prevent their coalescence
Prof. Andrzej Galeski
Centre of Moleuclar and Macromolecular Studies, Polish Academy of Sciences  
more Information
14:50 Refreshment break & networking
15:20 Thickness reinforcement of composite materials with z-pins
  • Composite materials such as CFRP have excellent mechanical in-plane properties in relation to their density
  • Compared to in-plane properties, out-of-plane properties are very low due to the lack of fibers oriented in the through-thickness direction
  • state of the art and the influence of z-pins on the mechanical properties will be discussed
Prof. Gerhard Scharr, Dipl.Ing. Matthias Knaupp
University of Rostock 
more Information
15:40 Spray-formed hypereutectic Aluminum-Silicon alloys
  • Spray forming
  • conducitivity
  • hypereutectic Aluminum-Silicon
Prof. Biao Yan
Tongji University, Shanghai, China 
more Information
16:00 Fabrication and properties of Ti6Al4V alloys and foams by rapid cooling-SPS
  • The preparation of Ti6Al4V alloys and foams through spark plasma sintering (SPS) with a unique rapidly cooling system will be discussed.
  • The effect of the cooling rate on the microstructures and mechanical properties of the Ti6Al4V alloys is presented.
  • A comparison between the microstructures and properties of the Ti6Al4V alloys prepared by SPS and selected electron beam melting (SEBM) technique is given
Dr. Fames Zhang
Physics of New Materials, University of Rostock  
more Information
16:20Closing remarks of the chairman & End of symposium

Download Invitation