Material Challenges in the Manufacturing of Tailored Structures with Direct Write Technologies

  • Sini Metsä-Kortelainen
  • Helena Ronkainen
  • Tommi Varis
  • Kimmo Ruusuvuori
  • Robert Roozeman
  • Tapio Vehmas
  • Virpi Kupiainen
  • Tiina Ahlroos
  • Juha Lagerbom
  • Tomi Suhonen
Chapter

Abstract

Two different direct write technologies, Direct Write Paste (DWP) and Direct Write Thermal Spray (DWTS), and the general material challenges related to these technologies are described in this paper. These new technologies open new routes to produce highly functional products that can be tailored and customised according to the demands of the applications. The DWP process is based on dispensing paste-like materials through a tip onto a substrate. Depending on the paste material, either 2 or 3 dimensional structures can be printed. The DWTS technique is based on thermal spraying, which is a spray process where the powder material is accelerated in molten form and impinged onto a surface. Products made using DWTS are especially targeted at harsh environment solutions. Results related to development of printable materials and printed products are presented.

Keywords

Direct write Dispensing Additive manufacturing Thermal spray 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Sini Metsä-Kortelainen
    • 1
  • Helena Ronkainen
    • 1
  • Tommi Varis
    • 1
  • Kimmo Ruusuvuori
    • 1
  • Robert Roozeman
    • 1
  • Tapio Vehmas
    • 1
  • Virpi Kupiainen
    • 1
  • Tiina Ahlroos
    • 1
  • Juha Lagerbom
    • 1
  • Tomi Suhonen
    • 1
  1. 1.VTT Technical Research Centre of FinlandEspooFinland

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