Composite Materials

Lightning Strike Protection and Electromagnetic Interference Shielding for Composite Structures using Metallic Nanofilms

Bollavaram P.K., Patlolla V.R., Rahman M.M., Asmatulu R., Wichita State University, US

Carbon fiber composites are very much imperative to future-generation aircraft structures. However, lightning strike protection and electromagnetic interference are the main concerns of today’s aerospace industries. Carbon fibers have very good mechanical properties with the [...]

Release of Carbon Nanotubes from Nano-polymer Composites during Environmental Aging

Sahle-Demessie E., Han C., Zhao A., Wang J., Grecsek H., U.S. Environmental Protection Agency, US

Over the past two decades there has been a significant increase in commercial products incorporating engineered nanomaterials (ENM) that are now are used in electronic, cosmetics, automotive and medical products and in environmental applications. Although [...]

Aluminum Alloy: Nano Alumina Metal Matrix Composites Produced in an Innovative Way

Sommer A., Harrigan B., Curreli M., Gamma Technology LLC, US

Use of a proprietary process, patent applied for, enables us to implant individual nano alumina spheres into alminum alloy matrices via conventional powder metallurgy processing. No ball milling or other attrition process is required to [...]

Development of surface chemical approaches for detection and characterization of multi-walled carbon nanotubes dispersed in a polymer composite

Gorham J.M., Osborn W.A., Woodcock J.W., Scott K.C.K., Heddleston J.M., Hight Walker A.R., Gilman J.W., NIST, US

Multi-walled carbon nanotubes (MWCNT) and other carbon nanofillers are used in different applications to enhance the materials and electrical properties of consumer products as polymer composites. As a result, concern has arisen regarding the potential [...]

Dielectric properties and charge storage optimization in poly(vinylidene fluoride) polymer matrix hybrid nanocomposites with BaTiO3 and multi-walled carbon nanotubes

Jin Y., Gerhardt R.A., Georgia Institute of Technology, US

Poly(vinylidene fluoride)(PVDF) matrix hybrid nanocomposites featuring ferroelectric barium titanate nanoparticles and multi-walled carbon nanotubes(MWCNT) embedded in the polymer were fabricated by miscible-immiscible coagulation method followed by hot pressing [1]. The SEM images showed good distribution [...]

Advanced Materials for self-healing electrical insulation systems

Basu S., German I., Rhodes R., Stevens G.C., Thomas J., Gnosys Global Ltd, UK

Recently, there have been significant advancements in the development of self-healing materials. When damaged, these materials are capable of autonomously repairing the damage, restoring the pre-damage characteristics of the material and preserving asset integrity. This [...]

Effect of Graphitic Filler Characteristics on the Percolation Behavior and Electrical Conductivity of Segregated Network Polymer Composites

Prystaj L., Lucas E.A., Alston K., Gerhardt R.A., Georgia Institute of Technology, US

Polymer composites can be used for applications such as electromagnetic shielding devices, self-regulating heaters, over temperature protection structures, temperature sensors, devices that can control and regulate the flow of electrical current as well as antistatic [...]

Composite Materials

Analytical system capable of rapidly quantifying food-borne pathogen for food safety and public health

Khang J., Kim D., Chung K.W., Lee J-H., Luminescent MD, LLC, US

Cost-effective and easy-to-use biosensor was developed for the rapid quantification and monitoring of Escherichia (E.) Coli O157:H7 in sample using E. Coli O157:H7 aptamer, graphene oxide (GO)/iron nanocomposites, and guanine chemiluminescence detection. E. Coli O157:H7 [...]