Effects of Nano-Ceramic Particle Addition for Cold Sprayed Fluoropolymer Coatings

Abstract:

Semi-crystalline polymers such as fluoropolymers are extremely difficult to coat with using solid-state deposition technique such as cold spray (CS) due to its high viscoelastic-viscoplastic behavior. Generally, fluoropolymers solid-state deposition using CS are characterized by a relatively low deposition efficiency (DE) as compared to metallic materials using this deposition technique. In this article, the study on the effect of hydrophobic fumed nanosilica (FNS) and fumed nanoalumina (FNA) in Perfluoroalkoxy (PFA) solid-state deposition using CS has been studied. This study incorporated certain parameters related to the CS process. In addition, powder modification technique using hydrophobic FNS and FNA as additive to feedstock has been studied as well. The results show a number of parameters affected the DE; particle size, traverse speed, gas temperature, and addition of hydrophobic fumed nanoparticles, indicated a better DE. Moreover, PFA coating produced in this manner, retained its hydrophobicity.

• Periodical: Key Engineering Materials (Volume 813)
• Pages: 141-146
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.813.141
• Online since: July 2019
• Authors: W. Lock Sulen*, Kesavan Ravi, Chrystelle Bernard, Nicolas Mary, Yuji Ichikawa, Kazuhiro Ogawa
• Keywords: Cold-Spray, Fluoropolymer, Fumed Nano-Particle, Superhydrophobic Coating

References

[1] D. A. Dixon, B. E. Smart, P. J. Krusic, and N. Matsuzawa, Bond energies in organofluorine systems: applications to Teflon® and fullerenes,, J. Fluor. Chem., 72-2 (1995) 209–214.

DOI: 10.1016/0022-1139(94)00409-9

[2] E. Dhanumalayan, G. M. Joshi, Performance properties and applications of polytetrafluoroethylene (PTFE)-a review,, Adv. Comp. and Hybrid Mat. 1(2018), 247–268.

DOI: 10.1007/s42114-018-0023-8

[3] J. Gardiner, Fluoropolymers: Origin, Production, and Industrial and Commercial Applications,, Aust. J. Chem., 68-1 (2015), 13–22.

DOI: 10.1071/ch14165

[4] L. H. Lash, Comprehensive Toxicology, Third Edition, Elsevier Inc., 14–15 (2017), 380–409.

[5] A. Papyrin, V. Kosarev, S. Klinkov, A. Alkhimov, V. M. Fomin, Cold Spray Technology, First Edition, Elsevier Ltd, (2007).

DOI: 10.1016/b978-008045155-8/50004-1

[6] Y. Xu and I. M. Hutchings, Cold spray deposition of thermoplastic powder,, Surf. Coatings Technol., 201 (2006), 3044–3050.

DOI: 10.1016/j.surfcoat.2006.06.016

[7] K. Ravi, Y. Ichikawa, T. Deplancke, K. Ogawa, O. Lame, and J. Y. Cavaille, Development of Ultra-High Molecular Weight Polyethylene (UHMWPE) Coating by Cold Spray Technique,, J. Therm. Spray Technol., 24-6 (2015) 1015–1025.

DOI: 10.1007/s11666-015-0276-5

[8] K. Ravi, Y. Ichikawa, K. Ogawa, T. Deplancke, O. Lame, and J. Y. Cavaille, Mechanistic Study and Characterization of Cold-Sprayed UHMWPE-Nano-ceramic Composite Coating,, J. Therm. Spray Technol., 25-1–2 (2016) 160–169.

DOI: 10.1007/s11666-015-0332-1

[9] K. Ravi, T. Deplancke, K. Ogawa, J. Y. Cavaillé, and O. Lame, Understanding deposition mechanism in cold sprayed UHMWPE coatings on metals by isolated particle deposition method,, Addit. Manuf., 21 (2017), 191–200.

DOI: 10.1016/j.addma.2018.02.022

[10] Evonik Industries, AEROSIL® and AEROXIDE® fumed metal oxides for powder coatings., Technical Information 1340, (2015), 7.

[11] G. W. Lee, Phase transition characteristics of flame-synthesized gamma-Al2O3 nanoparticles with heat treatment, Int. J. Chem. Nucl. Metall. Mater., 7 (2013) 699–702.

[12] S. Das, S. K. Samal, S. Mohanty, and S. K. Nayak, Crystallization of Polymer Blend Nanocomposites,, Cryst. Multiph. Polym. Syst., (2018) 313–339.

DOI: 10.1016/b978-0-12-809453-2.00011-6

[13] S. Shah, J. Lee, and J. P. Rothstein, Numerical Simulations of the High-Velocity Impact of a Single Polymer Particle During Cold-Spray Deposition,, J. Therm. Spray Technol., 26-5 (2017), 970–984.

DOI: 10.1007/s11666-017-0557-2

[14] S. Das, S. Kumar, S. K. Samal, S. Mohanty, and S. K. Nayak, A Review on Superhydrophobic Polymer Nanocoatings: Recent Development and Applications,, Ind. Eng. Chem. Res., 57-8 (2018) 2727–2745.

DOI: 10.1021/acs.iecr.7b04887