SFA Advanced Manufacturing
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FUORCLAM

Fundamental Understanding of Oxide Refractory Ceramics and
Laser Additive Manufacturing
Selective laser sintering (SLS) and selective laser melting (SLM) is already getting a mature technology in metals and polymer processing. In contrary, in high tech ceramics based materials there is no existing SLS process available to consolidate, either by solid state or by liquid state sintering processes, ceramic powders to dense structures with convenient materials properties. The consortium will study the laser interaction of oxide based starting materials and the effect of composite granule composition and morphology on the absorption behaviour of pulsed lasers. The new SLM process will offer the opportunity to create ceramic gradient structures with defined porosities and possible applications as implant materials or as machine parts, where the formation of intimate contacts between metal and ceramic parts is still an issue.
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Scope of Research Activities
  • Flame spray synthesis of doped nano-alumina (n-Al2O3)
  • Manufacturing of alumina granules (Al2O3) by spray drying
  • Design of Al2O3-n-Al2O3 granule structures
  • Laser processing (SLM) of alumina powders
  • Creation of gradient and dense structures
  • Characterization of alumina powders and produced samples
  • In situ solidification experiments

Key Technical Problems to Solve
  • Laser light / ceramic absorption behaviour
  • Powder flowability and bed packing density
  • Process design for one step sintering approach
  • Thermal stresses leading to cracks during processing

Demonstrators
  • 5 mm cube with high density
  • Parts with locally graded densities
  • Dental implants
Leading Principal Investigator
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Prof. Dr. Konrad Wegener
Institute of Machine Tools and Manufacturing, ETH Zürich

Project Consortium
  • Prof. Dr. Thomas Graule, Laboratory for High Performance Ceramics, Empa
  • Prof. Dr. Helena Van Swygenhoven, Photons for Engineering and Manufacturing Group, PSI
An initiative of the ETH Board
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Participating Institutions of the ETH Domain
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Disclaimer
Imprint
© COPYRIGHT 2019. ALL RIGHTS RESERVED.
  • Home
  • Focus Areas
    • Precision Free-Form Manufacturing
    • Printed Electronics
    • Sustainable Digital Manufacturing and Design
    • Sensing Technologies
    • Intelligent Systems and Advanced Automation
  • Projects
    • Research Projects >
      • Ceramic X.0
      • FUORCLAM
      • Powder Focusing
      • PREAMPA
      • FOXIP
      • CFRP-AM
      • SD4D
      • D-SENSE
      • MOCONT
      • Nano Assembly
      • X-Ray Diagnostics
    • Selection Process >
      • Initial Program
      • Expansion Program
  • Events
    • Annual Review Meeting 2019 >
      • Annual Review 2019 Registration
    • Annual Review Meeting 2018
    • Launch Event 13 Nov 2017
    • Workshop 6 July 2017
    • Workshop 17 Oct 2016
  • About
    • Steering Committee
    • Participating ETH Institutions
  • Contact