Journal article
HVOF-Sprayed Nylon-11 + Nanodiamond Composite Coatings: Production & Characterization
Journal of thermal spray technology, v 17(5), pp 812-817
Dec 2008
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
High velocity oxy-fuel (HVOF) combustion spraying has previously been shown to be a viable method for depositing polymer and polymer/ceramic composite coatings. The addition of hard particulate reinforcing phases to soft polymeric matrices should improve their durability and sliding wear performance. Nanosized diamond is an ideal reinforcing phase, owing to its high hardness, low coefficient of friction, and desirable thermal properties. Composite coatings comprising a Nylon-11 matrix reinforced with nanodiamonds have been successfully produced by HVOF. An important challenge is preserving the structure of the nanoparticles after thermal spray deposition and achieving their uniform dispersion within the polymeric matrix. Raman spectroscopy and x-ray diffraction were used to confirm the presence and retention of nanodiamonds after HVOF deposition. Understanding of the role of process parameters, including the content of reinforcing phase in the matrix and powder preparation route is necessary. Nanoindentation studies demonstrated an improvement in creep behavior and recovery of the HVOF Nylon-11/nanodiamond composites subjected to deformation.
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Details
- Title
- HVOF-Sprayed Nylon-11 + Nanodiamond Composite Coatings: Production & Characterization
- Creators
- A Stravato - Dipartimento Ingegneria Meccanica e Industriale Università degli Studi “Roma Tre” via della Vasca Navale 79 00146 Rome ItalyR Knight - Department of Materials Science and Engineering Drexel University 3141 Chestnut Street Philadelphia PA USAV Mochalin - Department of Materials Science and Engineering Drexel University 3141 Chestnut Street Philadelphia PA USAS.C Picardi - Nanoblox, Inc. Boca Raton FL USA
- Publication Details
- Journal of thermal spray technology, v 17(5), pp 812-817
- Publisher
- Springer US; Boston
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000261411700032
- Scopus ID
- 2-s2.0-57449102330
- Other Identifier
- 991014878217804721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Coatings & Films