Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/53437
Title: Spin carbon nanotubes into CNT fibers
Authors: Lim, Johnathan See Kwan.
Keywords: DRNTU::Engineering
Issue Date: 2013
Abstract: This research is about the study of the mechanical properties of the Carbon NanoTubes (CNT) fibers that are being spun and twisted together. The spun single strand fibers are then followed by a liquid shrinking process to densify the fibers. After densifying, each strand of fiber were tested for their mechanical properties before they were divided into smaller segments and twisted together to form multi-ply fibers, ranging from a 2 ply CNT yarn to a 10 ply CNT yarn. Samples from the multi-ply fibers were then tested to investigate how the mechanical properties of the twisted fibers change with respect to the different pitch and number of fibers twisted together. Results showed that for a 2-ply and 3-ply CNT yarn, there is an optimal pitch value giving the optimal increase in its overall tensile stress by around 20%. Any pitch below the optimal value will starts to degrades the tensile stress until it reaches a negative value. Results for 4-ply and 6-ply CNT yarns also showed an increase in mechanical stress by 30% and 40%, respectively. It is believed that higher number multi-ply CNT yarns could actually lead to a higher increase in mechanical strength.
URI: http://hdl.handle.net/10356/53437
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:MAE Student Reports (FYP/IA/PA/PI)

Files in This Item:
File Description SizeFormat 
m205.pdf
  Restricted Access
spinning CNT into mulitply yarns4.25 MBAdobe PDFView/Open

Page view(s) 20

122
checked on Oct 24, 2020

Download(s) 20

9
checked on Oct 24, 2020

Google ScholarTM

Check

Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.