3-Dimensional Nano-Scale Reinforcement Architecture for Advanced Composite Structures
Abstract
Report developed under STTR contract for topic AF04-T020. Multi-walled carbon nanotube forests were used for drawspin processing of continuous carbon nanotube yarns, which were then plied and utilized in a micro-3D braiding and 3D weaving on the specialty equipment developed for this project. The technology of growing spinnable multi-wall carbon nanotube forests has been comprehensively studied and moved towards industrial applications. Extensive experimental studies conducted for understanding the effects of different polymer infusion into carbon nanotube yarns on their mechanical properties It was demonstrated, for the first time, that 3-D braids can be made solely of continuous carbon nanotube yarns, or as hybrids of those with conventional yarns, and then used as reinforcement for composites. The produced carbon nanotube yarn, hybrid 3-D braid and their composites were tested for tensile mechanical properties and electrical conductivity. Mechanical test results revealed some unusual effects, and their explanation required additional Dynamic Mechanical Analysis and insightful polymer physics considerations. Various potential applications of CNT yarns, their 3-D braids and 3-D weaves have been identified, specifically in the areas of sensors, actuators, artificial fuel-powered muscles, devices for energy storage and conversion. Initial steps were taken towards commercialization of this novel class of nanocomposites
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 2008
- Accession Number
- ADA586571
Entities
People
- Alexander Bogdanovich