In Situ Nanoparticle Embedding for Authentication of Epoxy Composites.

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ID: 54139
2018
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Abstract
In situ reduction of chloroauric acid inside an amine-cured epoxy matrix leads to formation of gold nanoparticles which are embedded inside the part. This phenomenon is leveraged to design an authentication system for composites wherein the particles are embedded spatially and are invisible to the naked eye. Under UV light, the particles diffract light and create an easily visible path. The particles penetrate inside the part and create a permanent, cost-effective, tamper-proof code. The advantage of this technique is that this authentication system can be built in composite parts after fabrication of the composite structure. As very small amount (nanograms) of particles are present in the part, negligible change in the thermal characteristics of the parent matrix is observed. The particles can be embedded easily in carbon fiber as well as glass fiber reinforced epoxy structures.
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pansare2018inadvanced Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Pansare, Amol V;Khairkar, Shyam R;Shedge, Amol A;Chhatre, Shraddha Y;Patil, Vishwanath R;Nagarkar, Amit A;
Journal advanced materials (deerfield beach, fla)
Year 2018
DOI
10.1002/adma.201801523
URL
Keywords
Epoxy barcoding authentication composites embedded nanoparticles

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