Abstract
Current methods for compactly joining High Temperature Polymer Matrix Composites (HTPMC’s) and metals used in engine components often rely on structural adhesives. These methods have inherent challenges such as verification of the bond quality, strength and temperature limitation of the polymer in the adhesive, interfacial adhesion strength and wetting between the metal and polymer, and a lack of load transfer via fiber reinforcement across the joint or via interlocking.
This work will discuss efforts to develop an innovative solution for hybrid joining of a metal to HTPMC using state-of-the art additive manufacturing and processing techniques. Ti-6Al-4V powder is deposited using the Selective Laser Melting (SLM) process onto carbon fiber fabrics, and the fabrics’ bottom layer is then infused with a polymer. Ultimately, the hybrid composite consists of a fully densified metal on one face and an HTPMC on the opposing face, with a tailored transition region containing a significant amount of fiber reinforcement connecting the two faces. This hybrid material will be tested to establish its mechanical and physical properties on a small scale, and its microstructure will be characterized as the overall scope of this work. This paper is focused on the first part of the hybrid whereas the deposition of Ti-6Al-4V powder onto carbon fabrics was achieved with optimum processing parameter using SLM method.
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© 2016 The Society for Experimental Mechanics, Inc.
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Gibson, T., Tandon, G.P., Hicks, A., Middendorf, J., Laycock, B., Simon, G. (2016). Hybrid Joining Through Additive Manufacturing. In: Antoun, B. (eds) Challenges in Mechanics of Time Dependent Materials, Volume 2. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-22443-5_11
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DOI: https://doi.org/10.1007/978-3-319-22443-5_11
Publisher Name: Springer, Cham
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