Vascular grafts made of tubular braids: Effects of wrap yarn twist coefficient on mechanical properties

Ching Wen Lou, Po Ching Lu, Jin-Jia Hu, Yueh Sheng Chen, Jia Horng Lin

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Vascular grafts, one common substitute for native blood vessels, are often made of woven fabrics, knits, and braids. This study aims to explore the effects of the Polyester (PET) yarn twist coefficient on the properties of tubular knits. A yarn with a twist coefficient of 1, 3, or 5 is braided with a stainless steel mandrel on a 16-spindle braid machine, forming tubular braids, which are then tested for axial and circumferential tensile strength and measured for the braid angle. The experimental results show that the twist coefficient has a significant influence on the braiding angle; also, when the twist coefficient is 5, the circumferential tensile strength decreases by 64%.

Original languageEnglish
Title of host publicationEnvironment, Energy and Sustainable Development - Proceedings of the 2013 International Conference on Frontier of Energy and Environment Engineering, ICFEEE 2013
Pages1135-1137
Number of pages3
StatePublished - 10 Mar 2014
Event2013 2nd International Conference on Frontiers of Energy and Environment Engineering, ICFEEE 2013 - Hong Kong, China
Duration: 28 Nov 201329 Nov 2013

Publication series

NameEnvironment, Energy and Sustainable Development - Proceedings of the 2013 International Conference on Frontier of Energy and Environment Engineering, ICFEEE 2013
Volume2

Conference

Conference2013 2nd International Conference on Frontiers of Energy and Environment Engineering, ICFEEE 2013
CountryChina
CityHong Kong
Period28/11/1329/11/13

Keywords

  • Circumferential tensile
  • Polyester (PET) yarn
  • Tubular braids
  • Twist coefficient
  • Vascular grafts

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