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.
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Metsä-Kortelainen, S. et al. (2014). Material Challenges in the Manufacturing of Tailored Structures with Direct Write Technologies. In: Udomkichdecha, W., Böllinghaus, T., Manonukul, A., Lexow, J. (eds) Materials Challenges and Testing for Manufacturing, Mobility, Biomedical Applications and Climate. Springer, Cham. https://doi.org/10.1007/978-3-319-11340-1_6
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DOI: https://doi.org/10.1007/978-3-319-11340-1_6
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